| 1 | package desmoj.core.simulator; |
| 2 | |
| 3 | import java.util.LinkedList; |
| 4 | import java.util.List; |
| 5 | import java.util.concurrent.LinkedBlockingQueue; |
| 6 | import java.util.concurrent.TimeUnit; |
| 7 | import java.util.concurrent.locks.ReentrantLock; |
| 8 | import desmoj.core.report.DebugNote; |
| 9 | |
| 10 | /** |
| 11 | * The scheduler is the main element controlling the run of a simulation. It |
| 12 | * controls the event-list in which all scheduled events are stored, picks the |
| 13 | * next event to be processed and advances the simulation clock accordingly. |
| 14 | * |
| 15 | * @version DESMO-J, Ver. 2.3.3 copyright (c) 2011 |
| 16 | * @author Tim Lechler, modified by Ruth Meyer, Justin Neumann |
| 17 | * |
| 18 | * Licensed under the Apache License, Version 2.0 (the "License"); you |
| 19 | * may not use this file except in compliance with the License. You may |
| 20 | * obtain a copy of the License at |
| 21 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 22 | * |
| 23 | * Unless required by applicable law or agreed to in writing, software |
| 24 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 25 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| 26 | * implied. See the License for the specific language governing |
| 27 | * permissions and limitations under the License. |
| 28 | * |
| 29 | */ |
| 30 | public class Scheduler extends NamedObject { |
| 31 | |
| 32 | /** |
| 33 | * The experiment this scheduler serves. |
| 34 | */ |
| 35 | protected Experiment myExperiment; |
| 36 | |
| 37 | /** |
| 38 | * The actual simulation clock for this scheduler. |
| 39 | */ |
| 40 | protected SimClock clock; |
| 41 | |
| 42 | /** |
| 43 | * The event-list used by the scheduler. |
| 44 | */ |
| 45 | protected EventList evList; |
| 46 | |
| 47 | /** |
| 48 | * Flag to indicate whether the current simulation is running or stopped. If |
| 49 | * true, the simulation is stopped, if false, the simulation is still |
| 50 | * running. This flag is especially polled by processes exiting any |
| 51 | * synchronized method used for passivating the process thus giving control |
| 52 | * back to the scheduler. |
| 53 | */ |
| 54 | protected boolean simulationFinished; |
| 55 | |
| 56 | /** |
| 57 | * Contains the event-note used by the current Schedulables. |
| 58 | */ |
| 59 | private EventNote _currentNote; |
| 60 | |
| 61 | /** |
| 62 | * Contains the current active Entity. |
| 63 | */ |
| 64 | private Entity _currentEntity1; |
| 65 | |
| 66 | /** |
| 67 | * Contains the current active Entity. |
| 68 | */ |
| 69 | private Entity _currentEntity2; |
| 70 | |
| 71 | /** |
| 72 | * Contains the current active Entity. |
| 73 | */ |
| 74 | private Entity _currentEntity3; |
| 75 | |
| 76 | /** |
| 77 | * Contains the current active SimProcess. |
| 78 | */ |
| 79 | private SimProcess _currentProcess; |
| 80 | |
| 81 | /** |
| 82 | * Contains the current active Event. |
| 83 | */ |
| 84 | private EventAbstract _currentEvent; |
| 85 | |
| 86 | /** |
| 87 | * Contains the current active model. |
| 88 | */ |
| 89 | private Model _currentModel; |
| 90 | |
| 91 | /** |
| 92 | * Contains the current active Schedulable. This is either the entity or |
| 93 | * simProcess if available, or the external event, if none of the first two |
| 94 | * are available. |
| 95 | */ |
| 96 | private Schedulable _currentSchedulable; |
| 97 | |
| 98 | /** |
| 99 | * Flag indicating if the event-list will process concurrent Events in |
| 100 | * random order or not. Default is not (<code>false</code>). (Modification |
| 101 | * by Ruth Meyer, 11/2001) |
| 102 | */ |
| 103 | private boolean _randomizingConcurrentEvents = false; |
| 104 | |
| 105 | /** |
| 106 | * The execution speed rate. Default is zero (as-fast-as-possible). |
| 107 | * (Modification by Felix Klueckmann, 05/2009) |
| 108 | */ |
| 109 | private double _executionSpeedRate = 0.0; |
| 110 | |
| 111 | /** |
| 112 | * The point in physical time (real time) of the last change of the |
| 113 | * execution speed rate (in nanoseconds). (Modification by Felix Klueckmann, |
| 114 | * 05/2009) |
| 115 | */ |
| 116 | private long _realTimeAtResetInNanos; |
| 117 | |
| 118 | /** |
| 119 | * The point in simulation time of the last change of the execution speed |
| 120 | * rate or the last time the simulation was stopped . (Modification by Felix |
| 121 | * Klueckmann, 05/2009) |
| 122 | */ |
| 123 | private TimeInstant _simulationTimeAtReset; |
| 124 | |
| 125 | /** |
| 126 | * Flag indicating if the the execution speed rate was changed or the |
| 127 | * experiment was stopped since the last call of processNextEventNote(). |
| 128 | * (Modification by Felix Klueckmann, 05/2009) |
| 129 | */ |
| 130 | private boolean _timeReset; |
| 131 | |
| 132 | /** |
| 133 | * Lock for process synchronisation during a realtime execution. |
| 134 | * (Modification by Felix Klueckmann, 06/2009) |
| 135 | */ |
| 136 | private ReentrantLock _lock; |
| 137 | |
| 138 | /** |
| 139 | * The condition used for process synchronisation during a realtime |
| 140 | * execution. |
| 141 | */ |
| 142 | private java.util.concurrent.locks.Condition _waitSynchCondition; |
| 143 | |
| 144 | /** |
| 145 | * A threadsafte consumer/producer queue to store |
| 146 | * RealTimeEventWrapper-Objects send by external systems |
| 147 | */ |
| 148 | private java.util.concurrent.BlockingQueue<RealTimeEventWrapper> _realTimeEventQueue; |
| 149 | |
| 150 | /** |
| 151 | * Constructs a scheduler with given name and the event-list (i.e. inheritor |
| 152 | * of <code>desmoj.core.simulator.EventList</code>) to use. |
| 153 | * |
| 154 | * @param exp |
| 155 | * Experiment : The experiment that uses this Scheduler |
| 156 | * @param name |
| 157 | * java.lang.String : The scheduler's name |
| 158 | * @param eventList |
| 159 | * EventList : The event-list to store scheduled events |
| 160 | */ |
| 161 | |
| 162 | public Scheduler(Experiment exp, String name, EventList eventList) { |
| 163 | |
| 164 | super(name + "_scheduler"); // create a namedObject with given name |
| 165 | myExperiment = exp; |
| 166 | evList = eventList; |
| 167 | clock = new SimClock(name); // set reference to clock |
| 168 | simulationFinished = false; // set flag to "not yet finished", |
| 169 | _lock = new ReentrantLock(); |
| 170 | _waitSynchCondition = _lock.newCondition(); |
| 171 | _realTimeEventQueue = new LinkedBlockingQueue<RealTimeEventWrapper>(); |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Returns the actual simulation time as displayed by the simulation clock. |
| 176 | * |
| 177 | * @return TimeInstant : The current point in simulation time |
| 178 | */ |
| 179 | protected TimeInstant presentTime() { |
| 180 | |
| 181 | return clock.getTime(); |
| 182 | |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Returns the currently active Entity. Returns <code>null</code> if the current |
| 187 | * Schedulable happens to be an external event or a simprocess. |
| 188 | * Note that in case the current Event refers to more than one entity |
| 189 | * (<code>EventOfTwoEntities</code>, <code>EventOfThreeEntitties</code>), |
| 190 | * only the first entity is returned; to obtain all such entities, |
| 191 | * use <code>getAllCurrentEntities()</code> instead. |
| 192 | * |
| 193 | * @return Entity : The currently active Entity or |
| 194 | * <code>null</code> in case of an external event or a simprocess |
| 195 | * being the currently active Schedulable |
| 196 | */ |
| 197 | protected Entity getCurrentEntity() { |
| 198 | |
| 199 | return _currentEntity1; |
| 200 | |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Returns the currently active entities. Returns an empty list |
| 205 | * if the current Schedulable happens to be an external event or a sim-process. |
| 206 | * |
| 207 | * @return List<Entity> : A list containing the currently active entities |
| 208 | */ |
| 209 | protected List<Entity> getAllCurrentEntities() { |
| 210 | |
| 211 | List<Entity> entities = new LinkedList<Entity>(); |
| 212 | if (_currentEntity1 != null) entities.add(_currentEntity1); |
| 213 | if (_currentEntity2 != null) entities.add(_currentEntity2); |
| 214 | if (_currentEntity3 != null) entities.add(_currentEntity3); |
| 215 | |
| 216 | return entities; |
| 217 | |
| 218 | } |
| 219 | |
| 220 | |
| 221 | /** |
| 222 | * Returns the current active Event or <code>null</code>. Note that this |
| 223 | * method can also return an external event that can not be handled like an |
| 224 | * Event since it does not support scheduling together with an entity. |
| 225 | * Returns <code>null</code> if the current Schedulable happens to be a |
| 226 | * Sim-process that has been activated, thus no kind of Event is associated |
| 227 | * with it. |
| 228 | * |
| 229 | * @return Event : The currently active Event or external event or |
| 230 | * <code>null</code> if the current Schedulable happens to be an |
| 231 | * activated SimProcess |
| 232 | */ |
| 233 | protected EventAbstract getCurrentEvent() { |
| 234 | |
| 235 | return _currentEvent; |
| 236 | |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Returns the currently active model. |
| 241 | * |
| 242 | * @return Model : The currently active model or <code>null</code> in case |
| 243 | * of no model being connected so far. |
| 244 | */ |
| 245 | protected Model getCurrentModel() { |
| 246 | |
| 247 | return _currentModel; |
| 248 | |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Returns the currently active Schedulable object. This can be any of its |
| 253 | * subtypes Entity, SimProcess or external event in that order. |
| 254 | * For events referring to multiple enities, the first entity is returned. |
| 255 | * |
| 256 | * @return Schedulable : The currently active Schedulable |
| 257 | * @see Entity |
| 258 | * @see SimProcess |
| 259 | * @see ExternalEvent |
| 260 | */ |
| 261 | protected Schedulable getCurrentSchedulable() { |
| 262 | |
| 263 | return _currentSchedulable; |
| 264 | |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * Returns the current SimProcess. Note that this method can only return a |
| 269 | * Sim-process. If the currently active Schedulable is not instance of |
| 270 | * Sim-process or an external event, <code>null</code> is returned. |
| 271 | * |
| 272 | * @return SimProcess : The currently active SimProcess or <code>null</code> |
| 273 | */ |
| 274 | protected SimProcess getCurrentSimProcess() { |
| 275 | |
| 276 | return _currentProcess; |
| 277 | |
| 278 | } |
| 279 | |
| 280 | /** |
| 281 | * Returns the current execution Speed Rate. |
| 282 | * |
| 283 | * @return double : The current execution speed rate. |
| 284 | */ |
| 285 | protected double getExecutionSpeedRate() { |
| 286 | return _executionSpeedRate; |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Returns the actual clock for this model. |
| 291 | * |
| 292 | * @return SimClock : The actual clock for simulation time |
| 293 | */ |
| 294 | protected SimClock getSimClock() { |
| 295 | |
| 296 | return clock; // not much else to do |
| 297 | |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Returns if the event-list processes concurrent Events in random order or |
| 302 | * not. |
| 303 | * |
| 304 | * @return boolean: <code>true</code> if concurrent Events are randomized, |
| 305 | * <code>false</code> otherwise |
| 306 | * @author Ruth Meyer |
| 307 | */ |
| 308 | public boolean isRandomizingConcurrentEvents() { |
| 309 | return this._randomizingConcurrentEvents; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Preempts the currently running SimProcess. Method is called whenenver |
| 314 | * another Entity or SimProcess is scheduled with <code>TimeSpan.ZERO</code> |
| 315 | * or <code>presentTime()</code> as parameter for the simulation time. The |
| 316 | * current SimProcess is interrupted and will be scheduled to continue its |
| 317 | * lifecycle |
| 318 | * |
| 319 | * @param preemptNote |
| 320 | * EventNote - The event-note of the Schedulable preempting |
| 321 | * the current SimProcess |
| 322 | */ |
| 323 | void preemptSimProcess(EventNote preemptNote) { |
| 324 | |
| 325 | if (_currentProcess == null) { |
| 326 | myExperiment.sendWarning("Can't preempt current SimProcess! " |
| 327 | + "Command ignored.", "Scheduler : " + getName() |
| 328 | + " Method: preemptSimProcess(EventNote preemptNote)", |
| 329 | "The event-note reference passed as parameter is a null " |
| 330 | + "reference.", |
| 331 | "Always make sure to use valid references only."); |
| 332 | return; // preemption of currentprocess only |
| 333 | } |
| 334 | |
| 335 | preemptNote.setTime(presentTime()); |
| 336 | |
| 337 | EventNote currentNote = new EventNote(_currentProcess, null, |
| 338 | presentTime()); |
| 339 | |
| 340 | evList.insertAsFirst(currentNote); // schedule currentProcess.. |
| 341 | evList.insertAsFirst(preemptNote); |
| 342 | // ..to be next after preempting SimPr. |
| 343 | _currentProcess.passivate(); // and set current to sleep until then |
| 344 | |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * Processes the next event-note on the event-list. Returns <code>true</code> |
| 349 | * if that EventNote has been processed correctly, <code>false</code> if an |
| 350 | * error occurred or the event-list is empty. |
| 351 | * |
| 352 | * @return boolean : Is <code>true</code> if the next event-note was |
| 353 | * processed correctly, <code>false</code> if not |
| 354 | */ |
| 355 | protected boolean processNextEventNote() { |
| 356 | // check if there still are Event notes to be processed |
| 357 | if (!(_executionSpeedRate > 0)) { |
| 358 | if (evList.isEmpty()) { |
| 359 | return false; // no more EventNote available -> exit |
| 360 | } |
| 361 | } else { |
| 362 | |
| 363 | while (true) { |
| 364 | this._lock.lock(); |
| 365 | if (evList.isEmpty() && _realTimeEventQueue.isEmpty()) { |
| 366 | // no Event waiting |
| 367 | _lock.unlock(); |
| 368 | return false; |
| 369 | } |
| 370 | if (myExperiment.isStopped()) { |
| 371 | // experiment has been stopped |
| 372 | _lock.unlock(); |
| 373 | return true; // there is an event |
| 374 | } |
| 375 | if (_timeReset) { |
| 376 | this._realTimeAtResetInNanos = System.nanoTime(); |
| 377 | this._simulationTimeAtReset = presentTime(); |
| 378 | this._timeReset = false; |
| 379 | } |
| 380 | |
| 381 | while (!_realTimeEventQueue.isEmpty()) { |
| 382 | // an event has been sent by an external system |
| 383 | |
| 384 | RealTimeEventWrapper currentRealTimeWrapper = _realTimeEventQueue |
| 385 | .poll();// get the next RealTimeEventWrapper and |
| 386 | // remove it from the queue |
| 387 | ExternalEvent currentRealTimeEvent = currentRealTimeWrapper |
| 388 | .getExternalEvent();// get the encapsulated |
| 389 | // ExternalEvent |
| 390 | |
| 391 | long weightedRealTimeEventNanos = (long) ((currentRealTimeWrapper |
| 392 | .getNanos() - _realTimeAtResetInNanos) * _executionSpeedRate); |
| 393 | |
| 394 | if (weightedRealTimeEventNanos < 0) { |
| 395 | // the ExternalEvent is in the future |
| 396 | myExperiment |
| 397 | .sendWarning( |
| 398 | "Can not schedule real time external event! " |
| 399 | + "The external event is discarded.", |
| 400 | "Scheduler of experiment " |
| 401 | + myExperiment.getName() |
| 402 | + " Method processNextEventNote() " |
| 403 | + "external event: " |
| 404 | + currentRealTimeEvent |
| 405 | .getName() |
| 406 | + " deviation in nanoseconds: " |
| 407 | + -weightedRealTimeEventNanos, |
| 408 | "The given real-time time stamp is in the future.", |
| 409 | "Real-time events are not supposed to be scheduled in the (real time) future."); |
| 410 | } else { |
| 411 | |
| 412 | TimeInstant realTimeNanosEquivalent = TimeOperations |
| 413 | .add(_simulationTimeAtReset, new TimeSpan( |
| 414 | weightedRealTimeEventNanos, |
| 415 | TimeUnit.NANOSECONDS)); |
| 416 | // calculate the simulation time equivalent to |
| 417 | // the real-time time stamp of the external event |
| 418 | |
| 419 | if (TimeInstant.isAfterOrEqual(realTimeNanosEquivalent, |
| 420 | presentTime())) { |
| 421 | // the event can be scheduled correctly |
| 422 | currentRealTimeEvent |
| 423 | .schedule(realTimeNanosEquivalent); |
| 424 | } else { |
| 425 | // the simulation time of the event is in the past |
| 426 | currentRealTimeEvent.schedule(presentTime()); |
| 427 | |
| 428 | myExperiment |
| 429 | .sendWarning( |
| 430 | "Can not schedule real time external event at the simulation time equivalent to the given timeStamp! " |
| 431 | + "The external event is scheduled at the present simulation time instead.", |
| 432 | "Scheduler of experiment " |
| 433 | + myExperiment.getName() |
| 434 | + " Method processNextEventNote() " |
| 435 | + "external event: " |
| 436 | + currentRealTimeEvent |
| 437 | .getName() |
| 438 | + " deviation in nanoseconds: " |
| 439 | + (presentTime() |
| 440 | .getTimeTruncated( |
| 441 | TimeUnit.NANOSECONDS) - weightedRealTimeEventNanos), |
| 442 | "The simulation time equivalent of the given time stamp is before the current simulation time. Can not perform a rollback.", |
| 443 | "Check if this deviation constitutes a problem."); |
| 444 | } |
| 445 | |
| 446 | } |
| 447 | |
| 448 | } |
| 449 | |
| 450 | // System.out.println("--------------------------"); |
| 451 | // if (!evList.isEmpty()) { |
| 452 | // EventNote note = evList.firstNote(); |
| 453 | // System.out.println(note.toString()); |
| 454 | // while (!(note == evList.lastNote())) { |
| 455 | // System.out.println(evList.nextNote(note)); |
| 456 | // note = evList.nextNote(note); |
| 457 | // } |
| 458 | // System.out.println("--------------------------"); |
| 459 | // } |
| 460 | // test code by felix |
| 461 | |
| 462 | _currentNote = evList.firstNote(); // get next event-note |
| 463 | long weightedTimeSinceReset = (long) ((System.nanoTime() - _realTimeAtResetInNanos) * _executionSpeedRate); |
| 464 | // calculate the real time passed since the last time reset |
| 465 | // considering the execution speed rate |
| 466 | |
| 467 | long timeToWait = (long) ((TimeOperations.diff( |
| 468 | _currentNote.getTime(), _simulationTimeAtReset) |
| 469 | .getTimeTruncated(TimeUnit.NANOSECONDS) - weightedTimeSinceReset) / _executionSpeedRate); |
| 470 | // calculate the time the thread has to wait |
| 471 | if (timeToWait > 0) { |
| 472 | // there is a need to wait |
| 473 | try { |
| 474 | _waitSynchCondition.awaitNanos(timeToWait); |
| 475 | |
| 476 | } catch (InterruptedException e) { |
| 477 | e.printStackTrace(); |
| 478 | } finally { |
| 479 | this._lock.unlock(); |
| 480 | } |
| 481 | } else { |
| 482 | this._lock.unlock(); |
| 483 | } |
| 484 | if (!_timeReset && _realTimeEventQueue.isEmpty()) { |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | } |
| 489 | } |
| 490 | _currentNote = evList.firstNote(); // get next event-note |
| 491 | TimeInstant nextTime = _currentNote.getTime(); |
| 492 | // check if the next event-note is in the future |
| 493 | if (TimeInstant.isAfter(nextTime, presentTime())) { |
| 494 | this.advanceTime(presentTime(), nextTime); |
| 495 | } else { |
| 496 | // throw an exception if the next event-note is in the past |
| 497 | if (TimeInstant.isBefore(nextTime, presentTime())) { |
| 498 | throw (new desmoj.core.exception.SimAbortedException( |
| 499 | new desmoj.core.report.ErrorMessage( |
| 500 | null, |
| 501 | "The simulation Time of the next event is in the past! Simulation aborted.", |
| 502 | "Class : Scheduler Method : processNextEventNote()", |
| 503 | "the simulation time of the next event-note (" |
| 504 | + _currentNote |
| 505 | + ") is before the current simulation time : " |
| 506 | + presentTime(), |
| 507 | "Make sure not to schedule events in the past.", |
| 508 | null))); |
| 509 | } |
| 510 | } |
| 511 | // update the clock and its observers |
| 512 | |
| 513 | // changes to event-list and 'current' variables can only be made after |
| 514 | // every |
| 515 | // Observer registered with the clock has made their updates |
| 516 | |
| 517 | // take EventNote from EventList |
| 518 | evList.remove(_currentNote); |
| 519 | |
| 520 | // set 'current' variables |
| 521 | // determine Entity and SimProcess, if applicable |
| 522 | _currentEntity1 = _currentNote.getEntity1(); // multiple entities |
| 523 | _currentEntity2 = _currentNote.getEntity2(); |
| 524 | _currentEntity3 = _currentNote.getEntity3(); |
| 525 | |
| 526 | _currentProcess = null; |
| 527 | _currentSchedulable = null; |
| 528 | |
| 529 | if (_currentEntity1 != null) |
| 530 | { |
| 531 | _currentModel = _currentEntity1.getModel(); |
| 532 | _currentSchedulable = _currentEntity1; |
| 533 | _currentEntity1.removeEventNote(_currentNote); |
| 534 | if (_currentEntity1 instanceof SimProcess) { // a real SimProcess |
| 535 | _currentProcess = (SimProcess) _currentEntity1; |
| 536 | } |
| 537 | } |
| 538 | if (_currentEntity2 != null) |
| 539 | { |
| 540 | _currentEntity2.removeEventNote(_currentNote); |
| 541 | } |
| 542 | if (_currentEntity3 != null) |
| 543 | { |
| 544 | _currentEntity3.removeEventNote(_currentNote); |
| 545 | } |
| 546 | |
| 547 | // determine Event resp. external event |
| 548 | _currentEvent = _currentNote.getEvent(); |
| 549 | |
| 550 | if (_currentEvent != null && _currentProcess == null) { |
| 551 | |
| 552 | _currentEvent.removeEventNote(_currentNote); |
| 553 | |
| 554 | if (_currentSchedulable == null) { |
| 555 | |
| 556 | _currentSchedulable = _currentEvent; |
| 557 | _currentModel = _currentEvent.getModel(); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | // just check if everything is still allright |
| 562 | // currSched. must have been set to something other than null by now |
| 563 | // otherwise : throw (new desmoj.exception.DESMOJException()); |
| 564 | if (_currentSchedulable == null) |
| 565 | return false; |
| 566 | |
| 567 | // clear time value and discard EventNote |
| 568 | _currentNote.setTime(null); |
| 569 | _currentNote = null; |
| 570 | |
| 571 | // determine if event-oriented or process-oriented |
| 572 | if (_currentEvent != null) { // event-oriented |
| 573 | |
| 574 | if (_currentEvent.getNumberOfEntities()==1) // Event for one entity |
| 575 | { |
| 576 | ((Event<Entity>) _currentEvent).eventRoutine(_currentEntity1); |
| 577 | } |
| 578 | |
| 579 | else if (_currentEvent.getNumberOfEntities()==2)// Event for two entities |
| 580 | { |
| 581 | ((EventOf2Entities<Entity, Entity>) _currentEvent).eventRoutine(_currentEntity1, _currentEntity2); |
| 582 | } |
| 583 | |
| 584 | else if (_currentEvent.getNumberOfEntities()==3)// Event for three entities |
| 585 | { |
| 586 | ((EventOf3Entities<Entity, Entity, Entity>) _currentEvent).eventRoutine(_currentEntity1, _currentEntity2, _currentEntity3); |
| 587 | } |
| 588 | |
| 589 | else //external event! |
| 590 | { |
| 591 | ((ExternalEvent) _currentEvent).eventRoutine(); |
| 592 | } |
| 593 | |
| 594 | // this is where it all happens |
| 595 | } else { // process-oriented |
| 596 | |
| 597 | // The current SimProcess to hand control over to may have terminated |
| 598 | // already |
| 599 | // so the scheduler must not start it |
| 600 | if (!_currentProcess.isTerminated()) { |
| 601 | |
| 602 | // The current SimProcess can either be running, thus waiting in a |
| 603 | // block |
| 604 | // or still not have been started |
| 605 | if (_currentProcess.isReady()) { |
| 606 | // currentProcess is already running |
| 607 | |
| 608 | // main thread passes control over to currentProcess' |
| 609 | // SimThread |
| 610 | // executing the sim-process' lifeCycle method until |
| 611 | // hold / passivate |
| 612 | // or end of lifeCycle |
| 613 | _currentProcess.resume(); |
| 614 | |
| 615 | } else { // currentProcess is starting for the first time |
| 616 | |
| 617 | _currentProcess.start(); // start him up |
| 618 | |
| 619 | } |
| 620 | |
| 621 | // when hold / passivate or end of lifeCycle are passed, the |
| 622 | // control |
| 623 | // is handed back to the main thread here and there's nothing |
| 624 | // else to do |
| 625 | // but return true to state that this event-note has been |
| 626 | // processed correctly |
| 627 | |
| 628 | } else { |
| 629 | // this must not happen, but we check on it anyway |
| 630 | myExperiment |
| 631 | .sendWarning("Can not activate scheduled SimProcess! " |
| 632 | + "Command ignored.", |
| 633 | "Scheduler of experiment " |
| 634 | + myExperiment.getName() |
| 635 | + " Method processNextEventNote() " |
| 636 | + "SimProcess : " |
| 637 | + _currentProcess.getName(), |
| 638 | "The sim-process to be activated to take over control has " |
| 639 | + "already terminated.", |
| 640 | "Internal DESMOJ-Error. Please report to DESMOJ-Support."); |
| 641 | } |
| 642 | |
| 643 | } |
| 644 | if (_executionSpeedRate > 0) { |
| 645 | // calculate deviation |
| 646 | long simTimeSinceReset = TimeOperations.diff(presentTime(), |
| 647 | _simulationTimeAtReset).getTimeTruncated( |
| 648 | TimeUnit.NANOSECONDS); |
| 649 | long realTimeSinceReset = (System.nanoTime() - _realTimeAtResetInNanos); |
| 650 | long deviationInNanoseconds = (long) (realTimeSinceReset - (simTimeSinceReset / _executionSpeedRate)); |
| 651 | // System.out.println("SimTimeSinceReset: " + simTimeSinceReset |
| 652 | // + ", RealTimeSinceReset: " + realTimeSinceReset |
| 653 | // + ", Weighted deviation: " + deviationInNanoseconds); |
| 654 | |
| 655 | if (_currentEvent != null) { |
| 656 | // event-oriented |
| 657 | |
| 658 | long deadLine = _currentEvent.getRealTimeConstraint(); |
| 659 | // the deadLine of this event |
| 660 | |
| 661 | if (deadLine > 0 && deadLine < deviationInNanoseconds) { |
| 662 | // the real-time deadline was missed |
| 663 | myExperiment.sendWarning( |
| 664 | "The real-time deadline of this event was missed!", |
| 665 | "Scheduler of experiment " + myExperiment.getName() |
| 666 | + " Method processNextEventNote() " |
| 667 | + "Event : " + _currentEvent.getName(), |
| 668 | "The real-time deadline of this event was " |
| 669 | + deadLine + " nanoseconds. It was missed by " |
| 670 | + (deviationInNanoseconds - deadLine) |
| 671 | + " nanoseconds.", |
| 672 | "Check if the deadline can be met."); |
| 673 | } |
| 674 | } else { |
| 675 | // process-oriented |
| 676 | |
| 677 | long deadLine = _currentProcess.getRealTimeConstraint(); |
| 678 | // the deadLine of this SimProcess |
| 679 | |
| 680 | if (deadLine > 0 && deadLine < deviationInNanoseconds) { |
| 681 | // the real-time deadline was missed |
| 682 | myExperiment |
| 683 | .sendWarning( |
| 684 | "The real-time deadline of this SimProcess was missed!", |
| 685 | "Scheduler of experiment " |
| 686 | + myExperiment.getName() |
| 687 | + " Method processNextEventNote() " |
| 688 | + "SimProcess : " |
| 689 | + _currentProcess.getName(), |
| 690 | "The real-time deadline of this SimProcess was " |
| 691 | + deadLine |
| 692 | + " nanoseconds. It was missed by " |
| 693 | + (deviationInNanoseconds - deadLine) |
| 694 | + " nanoseconds.", |
| 695 | "Check if the deadline can be met."); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | } |
| 700 | |
| 701 | return true; // everything processed alright |
| 702 | |
| 703 | } |
| 704 | |
| 705 | /** |
| 706 | * This method is called to notify simulator about the time |
| 707 | * passed between the execution of two events with a positive |
| 708 | * (non-zero) offset. The implementation of this method just |
| 709 | * sets the scheduler's clock to the new instant; note, though, |
| 710 | * that extensions to DESMO-J may overwrite this method |
| 711 | * to conduct more complex operations, e.g. extrapolate |
| 712 | * variables in continuous simulation. |
| 713 | * |
| 714 | * @param now |
| 715 | * TimeInstant : The current point in simulation time |
| 716 | * @param next |
| 717 | * TimeInstant : The next point in simulation time to |
| 718 | * advance the clock to (e.g. instant of the next event) |
| 719 | */ |
| 720 | protected void advanceTime(TimeInstant now, TimeInstant next) { |
| 721 | |
| 722 | // just update the simulation clock to the instant of |
| 723 | // the next event |
| 724 | clock.setTime(next); |
| 725 | } |
| 726 | |
| 727 | |
| 728 | /** |
| 729 | * Schedules the external event to happen at the simulation time equivalent |
| 730 | * to the current value of wall-clock time. |
| 731 | * |
| 732 | * @param what |
| 733 | * ExternalEvent : The external event to be scheduled |
| 734 | * |
| 735 | */ |
| 736 | protected void realTimeSchedule(RealTimeEventWrapper what) { |
| 737 | if (!myExperiment.isRunning()) { |
| 738 | myExperiment |
| 739 | .sendWarning( |
| 740 | "Can not schedule real time external event! Command ignored.", |
| 741 | "Experiment '" |
| 742 | + getName() |
| 743 | + "' method void realTimeSchedule(ExternalEvent what).", |
| 744 | "The experiment is not running.", |
| 745 | "events can only be scheduled when the exeriment is running."); |
| 746 | return; |
| 747 | } |
| 748 | if (what == null) { // check for null reference |
| 749 | myExperiment.sendWarning("Can't schedule ExternalEvent! " |
| 750 | + "Command ignored.", "Scheduler : " + getName() |
| 751 | + " Method: realTimeSchedule(ExternalEvent what)", |
| 752 | "The ExternalEvent reference passed is a " |
| 753 | + "null references.", |
| 754 | "Always make sure to use valid references only."); |
| 755 | return; |
| 756 | } |
| 757 | |
| 758 | try { |
| 759 | // put the given Event wrapper into the thread-safe Event queue |
| 760 | _realTimeEventQueue.put(what); |
| 761 | } catch (InterruptedException e) { |
| 762 | myExperiment.sendWarning("Can't schedule external event! " |
| 763 | + "Command ignored.", "Scheduler : " + getName() |
| 764 | + " Method: realTimeSchedule(ExternalEvent who)", |
| 765 | "The Thread waiting to schedule the given external event " |
| 766 | + "was interrupted.", |
| 767 | "A Thread has to wait until space becomes available"); |
| 768 | |
| 769 | } |
| 770 | _lock.lock(); |
| 771 | _waitSynchCondition.signal();// signal that a new real time Event is |
| 772 | // available |
| 773 | _lock.unlock(); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Schedules the event to happen after a specified time. Checks that only |
| 778 | * legal combinations of valid parameters are scheduled. |
| 779 | * <p> |
| 780 | * <DIV align=center> |
| 781 | * <TABLE BORDER > |
| 782 | * <CAPTION>Valid scheduling types </CAPTION> |
| 783 | * <TR> |
| 784 | * <TH><DIV align=center>scheduling type</TH> |
| 785 | * <TH>Entity object</TH> |
| 786 | * <TH>Event object</TH> |
| 787 | * </TR> |
| 788 | * <TR> |
| 789 | * <TH>Event oriented</TH> |
| 790 | * <TD>Event or SimProcess</TD> |
| 791 | * <TD>Event</TD> |
| 792 | * </TR> |
| 793 | * <TR> |
| 794 | * <TH>process oriented</TH> |
| 795 | * <TD>SimProcess</TD> |
| 796 | * <TD>null</TD> |
| 797 | * </TR> |
| 798 | * <TR> |
| 799 | * <TH>external event</TH> |
| 800 | * <TD>null</TD> |
| 801 | * <TD>external event</TD> |
| 802 | * </TR> |
| 803 | * </TABLE> |
| 804 | * </DIV> |
| 805 | * |
| 806 | * @param who |
| 807 | * Entity : The Entity to be scheduled |
| 808 | * @param dt |
| 809 | * TimeSpan : The point in simulation time for the event to happen |
| 810 | * as an offset to the current simulation time |
| 811 | */ |
| 812 | protected void reSchedule(Schedulable who, TimeSpan dt) { |
| 813 | |
| 814 | if (dt == null) { |
| 815 | myExperiment |
| 816 | .sendWarning( |
| 817 | "Can't reschedule Schedulable at given time! " |
| 818 | + "Command ignored.", |
| 819 | "Scheduler : " |
| 820 | + getName() |
| 821 | + " Method: reSchedule(Schedulable who, TimeSpan dt)", |
| 822 | "The simulation time reference passed as parameter is a " |
| 823 | + "null reference.", |
| 824 | "Always make sure to use valid references only."); |
| 825 | return; // time missing |
| 826 | } |
| 827 | |
| 828 | if (who == null) { |
| 829 | myExperiment |
| 830 | .sendWarning( |
| 831 | "Can't reschedule Schedulable at given time! " |
| 832 | + "Command ignored.", |
| 833 | "Scheduler : " |
| 834 | + getName() |
| 835 | + " Method: reSchedule(Schedulable who, TimeSpan dt)", |
| 836 | "The Schedulable reference passed as parameter is a " |
| 837 | + "null reference.", |
| 838 | "Always make sure to use valid references only."); |
| 839 | return; // Schedulable missing |
| 840 | } |
| 841 | |
| 842 | if (!who.isScheduled()) { |
| 843 | myExperiment |
| 844 | .sendWarning( |
| 845 | "Can't reschedule Schedulable at given time! " |
| 846 | + "Command ignored.", |
| 847 | "Scheduler : " |
| 848 | + getName() |
| 849 | + " Method: reSchedule(Schedulable who, TimeSpan dt)", |
| 850 | "The Schedulable given is not scheduled, thus can not be " |
| 851 | + "rescheduled.", |
| 852 | "To reschedule a Schedulable, it must already be scheduled. " |
| 853 | + "You can check that by calling the Schedulable's " |
| 854 | + "isScheduled() method"); |
| 855 | return; |
| 856 | // I can't be rescheduled, I haven't even been scheduled yet |
| 857 | } |
| 858 | |
| 859 | // all parameters checked, now remove the Schedulable's EventNote |
| 860 | // first... |
| 861 | List<EventNote> notes = who.getEventNotes(); |
| 862 | for (EventNote note : notes) { |
| 863 | evList.remove(note); |
| 864 | note.setTime(TimeOperations.add(presentTime(), dt)); |
| 865 | |
| 866 | if (dt == TimeSpan.ZERO) { // preempting schedule for processes |
| 867 | |
| 868 | if (_currentProcess == null) { // currently Event -> no preemption |
| 869 | // inserted as first in the event-list with the current time as |
| 870 | // activation |
| 871 | evList.insertAsFirst(note); |
| 872 | |
| 873 | } else { // currently SimProcess -> preempt! |
| 874 | |
| 875 | preemptSimProcess(note); |
| 876 | } |
| 877 | |
| 878 | } else { |
| 879 | |
| 880 | // all parameters checked, now reinsert note |
| 881 | evList.insert(note); |
| 882 | |
| 883 | } |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | /** |
| 888 | * Schedules the event to happen at the specified time. Checks that only |
| 889 | * legal combinations of valid parameters are scheduled. |
| 890 | * <p> |
| 891 | * <DIV align=center> |
| 892 | * <TABLE BORDER > |
| 893 | * <CAPTION>Valid scheduling types </CAPTION> |
| 894 | * <TR> |
| 895 | * <TH><DIV align=center>scheduling type</TH> |
| 896 | * <TH>Entity object</TH> |
| 897 | * <TH>Event object</TH> |
| 898 | * </TR> |
| 899 | * <TR> |
| 900 | * <TH>Event oriented</TH> |
| 901 | * <TD>Event or SimProcess</TD> |
| 902 | * <TD>Event</TD> |
| 903 | * </TR> |
| 904 | * <TR> |
| 905 | * <TH>process oriented</TH> |
| 906 | * <TD>SimProcess</TD> |
| 907 | * <TD>null</TD> |
| 908 | * </TR> |
| 909 | * <TR> |
| 910 | * <TH>external event</TH> |
| 911 | * <TD>null</TD> |
| 912 | * <TD>external event</TD> |
| 913 | * </TR> |
| 914 | * </TABLE> |
| 915 | * </DIV> |
| 916 | * |
| 917 | * @param who |
| 918 | * Entity : The Entity to be scheduled |
| 919 | * @param time |
| 920 | * TimeInstant : The point in simulation time for the event to happen |
| 921 | */ |
| 922 | protected void reSchedule(Schedulable who, TimeInstant time) { |
| 923 | |
| 924 | if (time == null) { |
| 925 | myExperiment |
| 926 | .sendWarning( |
| 927 | "Can't reschedule Schedulable at given time! " |
| 928 | + "Command ignored.", |
| 929 | "Scheduler : " |
| 930 | + getName() |
| 931 | + " Method: reSchedule(Schedulable who, TimeInstant time)", |
| 932 | "The simulation time reference passed as parameter is a " |
| 933 | + "null reference.", |
| 934 | "Always make sure to use valid references only."); |
| 935 | return; // time missing |
| 936 | } |
| 937 | |
| 938 | if (who == null) { |
| 939 | myExperiment |
| 940 | .sendWarning( |
| 941 | "Can't reschedule Schedulable at given time! " |
| 942 | + "Command ignored.", |
| 943 | "Scheduler : " |
| 944 | + getName() |
| 945 | + " Method: reSchedule(Schedulable who, TimeInstant time)", |
| 946 | "The Schedulable reference passed as parameter is a " |
| 947 | + "null reference.", |
| 948 | "Always make sure to use valid references only."); |
| 949 | return; // Schedulable missing |
| 950 | } |
| 951 | |
| 952 | if (!who.isScheduled()) { |
| 953 | myExperiment |
| 954 | .sendWarning( |
| 955 | "Can't reschedule Schedulable at given time! " |
| 956 | + "Command ignored.", |
| 957 | "Scheduler : " |
| 958 | + getName() |
| 959 | + " Method: reSchedule(Schedulable who, TimeInstant time)", |
| 960 | "The Schedulable given is not scheduled, thus can not be " |
| 961 | + "rescheduled.", |
| 962 | "To reschedule a Schedulable, it must already be scheduled. " |
| 963 | + "You can check that by calling the Schedulable's " |
| 964 | + "isScheduled() method"); |
| 965 | return; |
| 966 | // I can't be rescheduled, I haven't even been scheduled yet |
| 967 | } |
| 968 | |
| 969 | if (TimeInstant.isBefore(time, this.presentTime())) { |
| 970 | myExperiment |
| 971 | .sendWarning( |
| 972 | "Can't reschedule Schedulable at given time! " |
| 973 | + "Command ignored.", |
| 974 | "Scheduler : " |
| 975 | + getName() |
| 976 | + " Method: reSchedule(Schedulable who, TimeInstant time)", |
| 977 | "The instant given is in the past.", |
| 978 | "To reschedule a Schedulable, use a TimeInstant no earlier than the present time. " |
| 979 | + "The present time can be obtained using the " |
| 980 | + "presentTime() method"); |
| 981 | return; |
| 982 | // I can't be rescheduled, TimeInstant has already passed. |
| 983 | } |
| 984 | |
| 985 | // all parameters checked, now remove the Schedulable's EventNote |
| 986 | // first... |
| 987 | EventNote note = who.getEventNotes().get(0); |
| 988 | evList.remove(note); |
| 989 | note.setTime(time); |
| 990 | |
| 991 | if (this.presentTime() == time) { // preempting schedule for processes |
| 992 | |
| 993 | if (_currentProcess == null) { // currently Event -> no preemption |
| 994 | // inserted as first in the event-list with the current time as |
| 995 | // activation |
| 996 | evList.insertAsFirst(note); |
| 997 | return; |
| 998 | |
| 999 | } else { // currently SimProcess -> preempt! |
| 1000 | |
| 1001 | preemptSimProcess(note); |
| 1002 | return; |
| 1003 | |
| 1004 | } |
| 1005 | |
| 1006 | } |
| 1007 | |
| 1008 | // all parameters checked, now reinsert note |
| 1009 | evList.insert(note); |
| 1010 | |
| 1011 | } |
| 1012 | |
| 1013 | /** |
| 1014 | * Schedules the event to happen after a specified time span. Checks that only |
| 1015 | * legal combinations of valid parameters are scheduled. |
| 1016 | * <p> |
| 1017 | * <DIV align=center> |
| 1018 | * <TABLE BORDER > |
| 1019 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1020 | * <TR> |
| 1021 | * <TH><DIV align=center>scheduling type</TH> |
| 1022 | * <TH>Entity object</TH> |
| 1023 | * <TH>Event object</TH> |
| 1024 | * </TR> |
| 1025 | * <TR> |
| 1026 | * <TH>Event oriented</TH> |
| 1027 | * <TD>Event or SimProcess</TD> |
| 1028 | * <TD>Event</TD> |
| 1029 | * </TR> |
| 1030 | * <TR> |
| 1031 | * <TH>process oriented</TH> |
| 1032 | * <TD>SimProcess</TD> |
| 1033 | * <TD>null</TD> |
| 1034 | * </TR> |
| 1035 | * <TR> |
| 1036 | * <TH>external event</TH> |
| 1037 | * <TD>null</TD> |
| 1038 | * <TD>external event</TD> |
| 1039 | * </TR> |
| 1040 | * </TABLE> |
| 1041 | * </DIV> |
| 1042 | * |
| 1043 | * @param who |
| 1044 | * Entity : The Entity to be scheduled |
| 1045 | * @param what |
| 1046 | * Event : The event to manipulate the entity |
| 1047 | * @param dt |
| 1048 | * TimeSpan : The point in simulation time for the event to happen |
| 1049 | * as an offset to the current simulation time |
| 1050 | */ |
| 1051 | protected void schedule(Entity who, EventAbstract what, TimeSpan dt) |
| 1052 | { |
| 1053 | |
| 1054 | if (dt == null) { |
| 1055 | myExperiment.sendWarning( |
| 1056 | "Can't schedule Entity and Event at given " |
| 1057 | + "time! Command ignored.", "Scheduler : " |
| 1058 | + getName() + " Method: schedule(Entity who, " |
| 1059 | + "EventAbstract what, TimeSpan dt)", |
| 1060 | "The simulation time reference passed as parameter is a " |
| 1061 | + "null reference.", |
| 1062 | "Always make sure to use valid references only."); |
| 1063 | return; // time missing |
| 1064 | } |
| 1065 | |
| 1066 | if ((who == null) && (what == null)) { |
| 1067 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1068 | + "Command ignored.", "Scheduler : " + getName() |
| 1069 | + " Method: schedule(Entity who, " |
| 1070 | + "EventAbstract what, TimeSpan dt)", |
| 1071 | "The Event and Entity references passed are both " |
| 1072 | + "null references.", |
| 1073 | "Either Event or Entity references must be valid."); |
| 1074 | return; // no real parameters here anyway |
| 1075 | } |
| 1076 | |
| 1077 | if ((who == null) && !(what instanceof ExternalEvent)) { |
| 1078 | myExperiment.sendWarning("Can't schedule Event! Command ignored.", |
| 1079 | "Scheduler : " + getName() |
| 1080 | + " Method: schedule(Entity who, " |
| 1081 | + "EventAbstract what, TimeSpan dt)", |
| 1082 | "The Entity reference passed is a null reference but the " |
| 1083 | + "Event references is not an external event.", |
| 1084 | "If no valid Entity is given, the event must be of type " |
| 1085 | + "external event."); |
| 1086 | return; // if no Entity it must be ExternalEvent |
| 1087 | } |
| 1088 | |
| 1089 | if (!(who instanceof SimProcess) && (what == null)) { |
| 1090 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1091 | + "Command ignored.", "Scheduler : " + getName() |
| 1092 | + " Method: schedule(Entity who, " |
| 1093 | + "EventAbstract what, TimeSpan dt)", |
| 1094 | "The Entity needs a valid Event to be scheduled with.", |
| 1095 | "Only SimProcesses may be scheduled without events."); |
| 1096 | return; // Event needed with Entity |
| 1097 | } |
| 1098 | |
| 1099 | if(what != null) |
| 1100 | { |
| 1101 | if (what.getNumberOfEntities() > 1) |
| 1102 | { |
| 1103 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1104 | + "Command ignored.", "Scheduler : " + getName() |
| 1105 | + " Method: schedule(Entity who, " |
| 1106 | + "EventAbstract what, TimeSpan dt)", |
| 1107 | "The method needs the correct Event to be scheduled with.", |
| 1108 | "You are using an event for multiple entities. You need an event for a single entity."); |
| 1109 | return; // Event with only one entity needed |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | TimeInstant time = TimeOperations.add(presentTime(), dt); |
| 1114 | // set time for being scheduled |
| 1115 | |
| 1116 | EventNote note = new EventNote(who, what, time); |
| 1117 | |
| 1118 | if (dt == TimeSpan.ZERO) { // preempting schedule for processes |
| 1119 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1120 | // inserted as first in the event-list with the current time as |
| 1121 | // activation |
| 1122 | evList.insertAsFirst(note); |
| 1123 | return; |
| 1124 | } else { // currently SimProcess -> preempt! |
| 1125 | preemptSimProcess(note); |
| 1126 | return; |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | // all parameters checked, now schedule Event |
| 1131 | evList.insert(note); |
| 1132 | |
| 1133 | } |
| 1134 | |
| 1135 | /** |
| 1136 | * Schedules the event to happen after a specified time span. Checks that only |
| 1137 | * legal combinations of valid parameters are scheduled. |
| 1138 | * <p> |
| 1139 | * <DIV align=center> |
| 1140 | * <TABLE BORDER > |
| 1141 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1142 | * <TR> |
| 1143 | * <TH><DIV align=center>scheduling type</TH> |
| 1144 | * <TH>Entity object</TH> |
| 1145 | * <TH>Event object</TH> |
| 1146 | * </TR> |
| 1147 | * <TR> |
| 1148 | * <TH>Event oriented</TH> |
| 1149 | * <TD>Event or SimProcess</TD> |
| 1150 | * <TD>Event</TD> |
| 1151 | * </TR> |
| 1152 | * <TR> |
| 1153 | * <TH>process oriented</TH> |
| 1154 | * <TD>SimProcess</TD> |
| 1155 | * <TD>null</TD> |
| 1156 | * </TR> |
| 1157 | * <TR> |
| 1158 | * <TH>external event</TH> |
| 1159 | * <TD>null</TD> |
| 1160 | * <TD>external event</TD> |
| 1161 | * </TR> |
| 1162 | * </TABLE> |
| 1163 | * </DIV> |
| 1164 | * |
| 1165 | * @param who1 |
| 1166 | * Entity : The first entity to be scheduled |
| 1167 | * |
| 1168 | * @param who2 |
| 1169 | * Entity : The second entity to be scheduled |
| 1170 | * |
| 1171 | * @param what |
| 1172 | * EventOf2Entities : The event to manipulate the two entities |
| 1173 | * @param dt |
| 1174 | * TimeSpan : The point in simulation time for the event to happen |
| 1175 | * as an offset to the current simulation time |
| 1176 | */ |
| 1177 | protected void schedule(Entity who1, Entity who2, EventOf2Entities<?, ?> what, TimeSpan dt) { |
| 1178 | |
| 1179 | if (dt == null) { |
| 1180 | myExperiment.sendWarning( |
| 1181 | "Can't schedule Entity and Event at given " |
| 1182 | + "time! Command ignored.", "Scheduler : " |
| 1183 | + getName() + " Method: schedule(Entity who1, Entity who2, " |
| 1184 | + "EventOf2Entities what, TimeSpan dt)", |
| 1185 | "The simulation time reference passed as parameter is a " |
| 1186 | + "null reference.", |
| 1187 | "Always make sure to use valid references only."); |
| 1188 | return; // time missing |
| 1189 | } |
| 1190 | |
| 1191 | if ((who1 == null) && (what == null)) { |
| 1192 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1193 | + "Command ignored.", "Scheduler : " + getName() |
| 1194 | + " Method: schedule(Entity who1, Entity who2, " |
| 1195 | + "EventOf2Entities what, TimeSpan dt)", |
| 1196 | "The event and first entity references passed are both " |
| 1197 | + "null references.", |
| 1198 | "Either Event or first entity references must be valid."); |
| 1199 | return; // no real parameters here anyway |
| 1200 | } |
| 1201 | |
| 1202 | if ((who2 == null) && (what == null)) { |
| 1203 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1204 | + "Command ignored.", "Scheduler : " + getName() |
| 1205 | + " Method: schedule(Entity who1, Entity who2, " |
| 1206 | + "EventOf2Entities what, TimeSpan dt)", |
| 1207 | "The event and second entity references passed are both " |
| 1208 | + "null references.", |
| 1209 | "Either Event or second entity references must be valid."); |
| 1210 | return; // no real parameters here anyway |
| 1211 | } |
| 1212 | |
| 1213 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 1214 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1215 | + "Command ignored.", "Scheduler : " + getName() |
| 1216 | + " Method: schedule(Entity who1, Entity who2, " |
| 1217 | + "EventOf2Entities what, TimeSpan dt)", |
| 1218 | "The first entity needs a valid Event to be scheduled with.", |
| 1219 | "Only SimProcesses may be scheduled without events."); |
| 1220 | return; // Event needed with Entity |
| 1221 | } |
| 1222 | |
| 1223 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 1224 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1225 | + "Command ignored.", "Scheduler : " + getName() |
| 1226 | + " Method: schedule(Entity who1, Entity who2, " |
| 1227 | + "EventOf2Entities what, TimeSpan dt)", |
| 1228 | "The second entity needs a valid Event to be scheduled with.", |
| 1229 | "Only SimProcesses may be scheduled without events."); |
| 1230 | return; // Event needed with Entity |
| 1231 | } |
| 1232 | |
| 1233 | TimeInstant time = TimeOperations.add(presentTime(), dt); |
| 1234 | // set time for being scheduled |
| 1235 | |
| 1236 | EventNote note = new EventNote(who1, who2, what, time); |
| 1237 | |
| 1238 | if (dt == TimeSpan.ZERO) { // preempting schedule for processes |
| 1239 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1240 | // inserted as first in the event-list with the current time as |
| 1241 | // activation |
| 1242 | evList.insertAsFirst(note); |
| 1243 | return; |
| 1244 | } else { // currently SimProcess -> preempt! |
| 1245 | preemptSimProcess(note); |
| 1246 | return; |
| 1247 | } |
| 1248 | } |
| 1249 | |
| 1250 | // all parameters checked, now schedule Event |
| 1251 | evList.insert(note); |
| 1252 | |
| 1253 | } |
| 1254 | |
| 1255 | /** |
| 1256 | * Schedules the event to happen after a specified time span. Checks that only |
| 1257 | * legal combinations of valid parameters are scheduled. |
| 1258 | * <p> |
| 1259 | * <DIV align=center> |
| 1260 | * <TABLE BORDER > |
| 1261 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1262 | * <TR> |
| 1263 | * <TH><DIV align=center>scheduling type</TH> |
| 1264 | * <TH>Entity object</TH> |
| 1265 | * <TH>Event object</TH> |
| 1266 | * </TR> |
| 1267 | * <TR> |
| 1268 | * <TH>Event oriented</TH> |
| 1269 | * <TD>Event or SimProcess</TD> |
| 1270 | * <TD>Event</TD> |
| 1271 | * </TR> |
| 1272 | * <TR> |
| 1273 | * <TH>process oriented</TH> |
| 1274 | * <TD>SimProcess</TD> |
| 1275 | * <TD>null</TD> |
| 1276 | * </TR> |
| 1277 | * <TR> |
| 1278 | * <TH>external event</TH> |
| 1279 | * <TD>null</TD> |
| 1280 | * <TD>external event</TD> |
| 1281 | * </TR> |
| 1282 | * </TABLE> |
| 1283 | * </DIV> |
| 1284 | * |
| 1285 | * @param who1 |
| 1286 | * Entity : The first entity to be scheduled |
| 1287 | * |
| 1288 | * @param who2 |
| 1289 | * Entity : The second entity to be scheduled |
| 1290 | * |
| 1291 | * @param who3 |
| 1292 | * Entity : The third entity to be scheduled |
| 1293 | * |
| 1294 | * @param what |
| 1295 | * EventOf3Entities : The event to manipulate the two entities |
| 1296 | * @param dt |
| 1297 | * TimeSpan : The point in simulation time for the event to happen |
| 1298 | * as an offset to the current simulation time |
| 1299 | */ |
| 1300 | protected void schedule(Entity who1, Entity who2, Entity who3, EventOf3Entities<?, ?, ?> what, TimeSpan dt) { |
| 1301 | |
| 1302 | if (dt == null) { |
| 1303 | myExperiment.sendWarning( |
| 1304 | "Can't schedule Entity and Event at given " |
| 1305 | + "time! Command ignored.", "Scheduler : " |
| 1306 | + getName() + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1307 | + "EventOf3Entities what, TimeSpan dt)", |
| 1308 | "The simulation time reference passed as parameter is a " |
| 1309 | + "null reference.", |
| 1310 | "Always make sure to use valid references only."); |
| 1311 | return; // time missing |
| 1312 | } |
| 1313 | |
| 1314 | if ((who1 == null) && (what == null)) { |
| 1315 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1316 | + "Command ignored.", "Scheduler : " + getName() |
| 1317 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1318 | + "EventOf3Entities what, TimeSpan dt)", |
| 1319 | "The event and first entity references passed are both " |
| 1320 | + "null references.", |
| 1321 | "Either Event or first entity references must be valid."); |
| 1322 | return; // no real parameters here anyway |
| 1323 | } |
| 1324 | |
| 1325 | if ((who2 == null) && (what == null)) { |
| 1326 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1327 | + "Command ignored.", "Scheduler : " + getName() |
| 1328 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1329 | + "EventOf3Entities what, TimeSpan dt)", |
| 1330 | "The event and second entity references passed are both " |
| 1331 | + "null references.", |
| 1332 | "Either Event or second entity references must be valid."); |
| 1333 | return; // no real parameters here anyway |
| 1334 | } |
| 1335 | |
| 1336 | if ((who3 == null) && (what == null)) { |
| 1337 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1338 | + "Command ignored.", "Scheduler : " + getName() |
| 1339 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1340 | + "EventOf3Entities what, TimeSpan dt)", |
| 1341 | "The event and third entity references passed are both " |
| 1342 | + "null references.", |
| 1343 | "Either Event or third entity references must be valid."); |
| 1344 | return; // no real parameters here anyway |
| 1345 | } |
| 1346 | |
| 1347 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 1348 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1349 | + "Command ignored.", "Scheduler : " + getName() |
| 1350 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1351 | + "EventOf3Entities what, TimeSpan dt)", |
| 1352 | "The first entity needs a valid Event to be scheduled with.", |
| 1353 | "Only SimProcesses may be scheduled without events."); |
| 1354 | return; // Event needed with Entity |
| 1355 | } |
| 1356 | |
| 1357 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 1358 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1359 | + "Command ignored.", "Scheduler : " + getName() |
| 1360 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1361 | + "EventOf3Entities what, TimeSpan dt)", |
| 1362 | "The second entity needs a valid Event to be scheduled with.", |
| 1363 | "Only SimProcesses may be scheduled without events."); |
| 1364 | return; // Event needed with Entity |
| 1365 | } |
| 1366 | |
| 1367 | if (!(who3 instanceof SimProcess) && (what == null)) { |
| 1368 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1369 | + "Command ignored.", "Scheduler : " + getName() |
| 1370 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1371 | + "EventOf3Entities what, TimeSpan dt)", |
| 1372 | "The third entity needs a valid Event to be scheduled with.", |
| 1373 | "Only SimProcesses may be scheduled without events."); |
| 1374 | return; // Event needed with Entity |
| 1375 | } |
| 1376 | |
| 1377 | TimeInstant time = TimeOperations.add(presentTime(), dt); |
| 1378 | // set time for being scheduled |
| 1379 | |
| 1380 | EventNote note = new EventNote(who1, who2, who3, what, time); |
| 1381 | |
| 1382 | if (dt == TimeSpan.ZERO) { // preempting schedule for processes |
| 1383 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1384 | // inserted as first in the event-list with the current time as |
| 1385 | // activation |
| 1386 | evList.insertAsFirst(note); |
| 1387 | return; |
| 1388 | } else { // currently SimProcess -> preempt! |
| 1389 | preemptSimProcess(note); |
| 1390 | return; |
| 1391 | } |
| 1392 | } |
| 1393 | |
| 1394 | // all parameters checked, now schedule Event |
| 1395 | evList.insert(note); |
| 1396 | |
| 1397 | } |
| 1398 | |
| 1399 | /** |
| 1400 | * Schedules the event to happen at the specified time. Checks that only |
| 1401 | * legal combinations of valid parameters are scheduled. |
| 1402 | * <p> |
| 1403 | * <DIV align=center> |
| 1404 | * <TABLE BORDER > |
| 1405 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1406 | * <TR> |
| 1407 | * <TH><DIV align=center>scheduling type</TH> |
| 1408 | * <TH>Entity object</TH> |
| 1409 | * <TH>Event object</TH> |
| 1410 | * </TR> |
| 1411 | * <TR> |
| 1412 | * <TH>Event oriented</TH> |
| 1413 | * <TD>Event or SimProcess</TD> |
| 1414 | * <TD>Event</TD> |
| 1415 | * </TR> |
| 1416 | * <TR> |
| 1417 | * <TH>process oriented</TH> |
| 1418 | * <TD>SimProcess</TD> |
| 1419 | * <TD>null</TD> |
| 1420 | * </TR> |
| 1421 | * <TR> |
| 1422 | * <TH>external event</TH> |
| 1423 | * <TD>null</TD> |
| 1424 | * <TD>external event</TD> |
| 1425 | * </TR> |
| 1426 | * </TABLE> |
| 1427 | * </DIV> |
| 1428 | * |
| 1429 | * @param who |
| 1430 | * Entity : The Entity to be scheduled |
| 1431 | * @param what |
| 1432 | * Event : The event to manipulate the entity |
| 1433 | * @param when |
| 1434 | * TimeInstant : The point in simulation time for the event to |
| 1435 | * happen |
| 1436 | */ |
| 1437 | protected void schedule(Entity who, EventAbstract what, TimeInstant when) { |
| 1438 | |
| 1439 | if (when == null) { |
| 1440 | myExperiment.sendWarning( |
| 1441 | "Can't schedule Entity and Event at given " |
| 1442 | + "time! Command ignored.", "Scheduler : " |
| 1443 | + getName() + " Method: schedule(Entity who, " |
| 1444 | + "EventAbstract what, TimeInstant when)", |
| 1445 | "The simulation time reference passed as parameter is a " |
| 1446 | + "null reference.", |
| 1447 | "Always make sure to use valid references only."); |
| 1448 | return; // time missing |
| 1449 | } |
| 1450 | |
| 1451 | if ((who == null) && (what == null)) { |
| 1452 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1453 | + "Command ignored.", "Scheduler : " + getName() |
| 1454 | + " Method: schedule(Entity who, " |
| 1455 | + "EventAbstract what, TimeInstant when)", |
| 1456 | "The Event and Entity references passed are both " |
| 1457 | + "null references.", |
| 1458 | "Either Event or Entity references must be valid."); |
| 1459 | return; // no real parameters here anyway |
| 1460 | } |
| 1461 | |
| 1462 | if ((who == null) && !(what instanceof ExternalEvent)) { |
| 1463 | myExperiment.sendWarning("Can't schedule Event! Command ignored.", |
| 1464 | "Scheduler : " + getName() |
| 1465 | + " Method: schedule(Entity who, " |
| 1466 | + "EventAbstract what, TimeInstant when)", |
| 1467 | "The Entity reference passed is a null reference but the " |
| 1468 | + "Event references is not an external event.", |
| 1469 | "If no valid Entity is given, the event must be of type " |
| 1470 | + "external event."); |
| 1471 | return; // if no Entity it must be ExternalEvent |
| 1472 | } |
| 1473 | |
| 1474 | if (!(who instanceof SimProcess) && (what == null)) { |
| 1475 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1476 | + "Command ignored.", "Scheduler : " + getName() |
| 1477 | + " Method: schedule(Entity who, " |
| 1478 | + "EventAbstract what, TimeInstant when)", |
| 1479 | "The Entity needs a valid Event to be scheduled with.", |
| 1480 | "Only SimProcesses may be scheduled without events."); |
| 1481 | return; // Event needed with Entity |
| 1482 | } |
| 1483 | |
| 1484 | if (TimeInstant.isBefore(when, this.presentTime())) { |
| 1485 | myExperiment |
| 1486 | .sendWarning( |
| 1487 | "Can't reschedule Schedulable at given time! " |
| 1488 | + "Command ignored.", |
| 1489 | "Scheduler : " |
| 1490 | + getName() |
| 1491 | + " Method: schedule(Entity who, " |
| 1492 | + "EventAbstract what, TimeInstant when)", |
| 1493 | "The instant given is in the past.", |
| 1494 | "To schedule a Schedulable, use a TimeInstant no earlier than the present time. " |
| 1495 | + "The present time can be obtained using the " |
| 1496 | + "presentTime() method."); |
| 1497 | return; |
| 1498 | // I can't be scheduled, TimeInstant has already passed. |
| 1499 | } |
| 1500 | |
| 1501 | if(what != null) |
| 1502 | { |
| 1503 | if (what.getNumberOfEntities() > 1) |
| 1504 | { |
| 1505 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1506 | + "Command ignored.", "Scheduler : " + getName() |
| 1507 | + " Method: schedule(Entity who, " |
| 1508 | + "Event what, TimeSpan dt)", |
| 1509 | "The method needs the correct Event to be scheduled with.", |
| 1510 | "You are using an event for multiple entities. You need an event for a single entity."); |
| 1511 | return; // Event needed with Entity |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | EventNote note = new EventNote(who, what, when); |
| 1516 | |
| 1517 | if (when == presentTime()) { // preempting schedule for processes |
| 1518 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1519 | // inserted as first in the event-list with the current time as |
| 1520 | // activation |
| 1521 | evList.insertAsFirst(note); |
| 1522 | return; |
| 1523 | } else { // currently SimProcess -> preempt! |
| 1524 | preemptSimProcess(note); |
| 1525 | return; |
| 1526 | } |
| 1527 | |
| 1528 | } |
| 1529 | |
| 1530 | // all parameters checked, now schedule Event |
| 1531 | evList.insert(note); |
| 1532 | |
| 1533 | } |
| 1534 | |
| 1535 | /** |
| 1536 | * Schedules the event to happen at the specified time. Checks that only |
| 1537 | * legal combinations of valid parameters are scheduled. |
| 1538 | * <p> |
| 1539 | * <DIV align=center> |
| 1540 | * <TABLE BORDER > |
| 1541 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1542 | * <TR> |
| 1543 | * <TH><DIV align=center>scheduling type</TH> |
| 1544 | * <TH>Entity object</TH> |
| 1545 | * <TH>Event object</TH> |
| 1546 | * </TR> |
| 1547 | * <TR> |
| 1548 | * <TH>Event oriented</TH> |
| 1549 | * <TD>Event or SimProcess</TD> |
| 1550 | * <TD>Event</TD> |
| 1551 | * </TR> |
| 1552 | * <TR> |
| 1553 | * <TH>process oriented</TH> |
| 1554 | * <TD>SimProcess</TD> |
| 1555 | * <TD>null</TD> |
| 1556 | * </TR> |
| 1557 | * <TR> |
| 1558 | * <TH>external event</TH> |
| 1559 | * <TD>null</TD> |
| 1560 | * <TD>external event</TD> |
| 1561 | * </TR> |
| 1562 | * </TABLE> |
| 1563 | * </DIV> |
| 1564 | * |
| 1565 | * @param who1 |
| 1566 | * Entity : The first entity to be scheduled |
| 1567 | * |
| 1568 | * @param who2 |
| 1569 | * Entity : The second entity to be scheduled |
| 1570 | * |
| 1571 | * @param what |
| 1572 | * EventOf2Entities : The event to manipulate the entity |
| 1573 | * |
| 1574 | * @param when |
| 1575 | * TimeInstant : The point in simulation time for the event to |
| 1576 | * happen |
| 1577 | */ |
| 1578 | protected void schedule(Entity who1, Entity who2, EventOf2Entities<?, ?> what, TimeInstant when) { |
| 1579 | |
| 1580 | if (when == null) { |
| 1581 | myExperiment.sendWarning( |
| 1582 | "Can't schedule Entity and Event at given " |
| 1583 | + "time! Command ignored.", "Scheduler : " |
| 1584 | + getName() + " Method: schedule(Entity who1, Entity who2, " |
| 1585 | + "EventOf2Entities what, TimeInstant when)", |
| 1586 | "The simulation time reference passed as parameter is a " |
| 1587 | + "null reference.", |
| 1588 | "Always make sure to use valid references only."); |
| 1589 | return; // time missing |
| 1590 | } |
| 1591 | |
| 1592 | if ((who1 == null) && (what == null)) { |
| 1593 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1594 | + "Command ignored.", "Scheduler : " + getName() |
| 1595 | + " Method: schedule(Entity who1, Entity who2, " |
| 1596 | + "EventOf2Entities what, TimeInstant when)", |
| 1597 | "The event and first entity references passed are both " |
| 1598 | + "null references.", |
| 1599 | "Either Event or first entity references must be valid."); |
| 1600 | return; // no real parameters here anyway |
| 1601 | } |
| 1602 | |
| 1603 | if ((who2 == null) && (what == null)) { |
| 1604 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1605 | + "Command ignored.", "Scheduler : " + getName() |
| 1606 | + " Method: schedule(Entity who1, Entity who2, " |
| 1607 | + "EventOf2Entities what, TimeInstant when)", |
| 1608 | "The event and second entity references passed are both " |
| 1609 | + "null references.", |
| 1610 | "Either Event or second entity references must be valid."); |
| 1611 | return; // no real parameters here anyway |
| 1612 | } |
| 1613 | |
| 1614 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 1615 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1616 | + "Command ignored.", "Scheduler : " + getName() |
| 1617 | + " Method: schedule(Entity who1, Entity who2, " |
| 1618 | + "EventOf2Entities what, TimeInstant when)", |
| 1619 | "The first entity needs a valid Event to be scheduled with.", |
| 1620 | "Only SimProcesses may be scheduled without events."); |
| 1621 | return; // Event needed with Entity |
| 1622 | } |
| 1623 | |
| 1624 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 1625 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1626 | + "Command ignored.", "Scheduler : " + getName() |
| 1627 | + " Method: schedule(Entity who1, Entity who2, " |
| 1628 | + "EventOf2Entities what, TimeInstant when)", |
| 1629 | "The second entity needs a valid Event to be scheduled with.", |
| 1630 | "Only SimProcesses may be scheduled without events."); |
| 1631 | return; // Event needed with Entity |
| 1632 | } |
| 1633 | |
| 1634 | if (TimeInstant.isBefore(when, this.presentTime())) { |
| 1635 | myExperiment |
| 1636 | .sendWarning( |
| 1637 | "Can't reschedule Schedulable at given time! " |
| 1638 | + "Command ignored.", |
| 1639 | "Scheduler : " |
| 1640 | + getName() |
| 1641 | + " Method: schedule(Entity who1, Entity who2, EventOf2Entities what, TimeInstant when)", |
| 1642 | "The instant given is in the past.", |
| 1643 | "To schedule a Schedulable, use a TimeInstant no earlier than the present time. " |
| 1644 | + "The present time can be obtained using the " |
| 1645 | + "presentTime() method."); |
| 1646 | return; |
| 1647 | // I can't be scheduled, TimeInstant has already passed. |
| 1648 | } |
| 1649 | |
| 1650 | EventNote note = new EventNote(who1, who2, what, when); |
| 1651 | |
| 1652 | if (when == presentTime()) { // preempting schedule for processes |
| 1653 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1654 | // inserted as first in the event-list with the current time as |
| 1655 | // activation |
| 1656 | evList.insertAsFirst(note); |
| 1657 | return; |
| 1658 | } else { // currently SimProcess -> preempt! |
| 1659 | preemptSimProcess(note); |
| 1660 | return; |
| 1661 | } |
| 1662 | |
| 1663 | } |
| 1664 | |
| 1665 | // all parameters checked, now schedule Event |
| 1666 | evList.insert(note); |
| 1667 | |
| 1668 | } |
| 1669 | |
| 1670 | /** |
| 1671 | * Schedules the event to happen at the specified time. Checks that only |
| 1672 | * legal combinations of valid parameters are scheduled. |
| 1673 | * <p> |
| 1674 | * <DIV align=center> |
| 1675 | * <TABLE BORDER > |
| 1676 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1677 | * <TR> |
| 1678 | * <TH><DIV align=center>scheduling type</TH> |
| 1679 | * <TH>Entity object</TH> |
| 1680 | * <TH>Event object</TH> |
| 1681 | * </TR> |
| 1682 | * <TR> |
| 1683 | * <TH>Event oriented</TH> |
| 1684 | * <TD>Event or SimProcess</TD> |
| 1685 | * <TD>Event</TD> |
| 1686 | * </TR> |
| 1687 | * <TR> |
| 1688 | * <TH>process oriented</TH> |
| 1689 | * <TD>SimProcess</TD> |
| 1690 | * <TD>null</TD> |
| 1691 | * </TR> |
| 1692 | * <TR> |
| 1693 | * <TH>external event</TH> |
| 1694 | * <TD>null</TD> |
| 1695 | * <TD>external event</TD> |
| 1696 | * </TR> |
| 1697 | * </TABLE> |
| 1698 | * </DIV> |
| 1699 | * |
| 1700 | * @param who1 |
| 1701 | * Entity : The first entity to be scheduled |
| 1702 | * |
| 1703 | * @param who2 |
| 1704 | * Entity : The second entity to be scheduled |
| 1705 | * |
| 1706 | * @param who3 |
| 1707 | * Entity : The third entity to be scheduled |
| 1708 | * |
| 1709 | * @param what |
| 1710 | * EventOf3Entities : The event to manipulate the entity |
| 1711 | * @param when |
| 1712 | * TimeInstant : The point in simulation time for the event to |
| 1713 | * happen |
| 1714 | */ |
| 1715 | protected void schedule(Entity who1, Entity who2, Entity who3, EventOf3Entities<?, ?, ?> what, TimeInstant when) { |
| 1716 | |
| 1717 | if (when == null) { |
| 1718 | myExperiment.sendWarning( |
| 1719 | "Can't schedule Entity and Event at given " |
| 1720 | + "time! Command ignored.", "Scheduler : " |
| 1721 | + getName() + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1722 | + "EventOf3Entities what, TimeInstant when)", |
| 1723 | "The simulation time reference passed as parameter is a " |
| 1724 | + "null reference.", |
| 1725 | "Always make sure to use valid references only."); |
| 1726 | return; // time missing |
| 1727 | } |
| 1728 | |
| 1729 | if ((who1 == null) && (what == null)) { |
| 1730 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1731 | + "Command ignored.", "Scheduler : " + getName() |
| 1732 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1733 | + "EventOf3Entities what, TimeInstant when)", |
| 1734 | "The first Event and Entity references passed are both " |
| 1735 | + "null references.", |
| 1736 | "Either Event or Entity references must be valid."); |
| 1737 | return; // no real parameters here anyway |
| 1738 | } |
| 1739 | |
| 1740 | if ((who2 == null) && (what == null)) { |
| 1741 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1742 | + "Command ignored.", "Scheduler : " + getName() |
| 1743 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1744 | + "EventOf3Entities what, TimeInstant when)", |
| 1745 | "The EEvent and second entity references passed are both " |
| 1746 | + "null references.", |
| 1747 | "Either Event or second entity references must be valid."); |
| 1748 | return; // no real parameters here anyway |
| 1749 | } |
| 1750 | |
| 1751 | if ((who3 == null) && (what == null)) { |
| 1752 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1753 | + "Command ignored.", "Scheduler : " + getName() |
| 1754 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1755 | + "EventOf3Entities what, TimeInstant when)", |
| 1756 | "The event and third entity references passed are both " |
| 1757 | + "null references.", |
| 1758 | "Either Event or third entity references must be valid."); |
| 1759 | return; // no real parameters here anyway |
| 1760 | } |
| 1761 | |
| 1762 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 1763 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1764 | + "Command ignored.", "Scheduler : " + getName() |
| 1765 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1766 | + "EventOf3Entities what, TimeInstant when)", |
| 1767 | "The first entity needs a valid Event to be scheduled with.", |
| 1768 | "Only SimProcesses may be scheduled without events."); |
| 1769 | return; // Event needed with Entity |
| 1770 | } |
| 1771 | |
| 1772 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 1773 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1774 | + "Command ignored.", "Scheduler : " + getName() |
| 1775 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1776 | + "EventOf3Entities what, TimeInstant when)", |
| 1777 | "The second entity needs a valid Event to be scheduled with.", |
| 1778 | "Only SimProcesses may be scheduled without events."); |
| 1779 | return; // Event needed with Entity |
| 1780 | } |
| 1781 | |
| 1782 | if (!(who3 instanceof SimProcess) && (what == null)) { |
| 1783 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1784 | + "Command ignored.", "Scheduler : " + getName() |
| 1785 | + " Method: schedule(Entity who1, Entity who2, Entity who3, " |
| 1786 | + "EventOf3Entities what, TimeInstant when)", |
| 1787 | "The third entity needs a valid Event to be scheduled with.", |
| 1788 | "Only SimProcesses may be scheduled without events."); |
| 1789 | return; // Event needed with Entity |
| 1790 | } |
| 1791 | |
| 1792 | if (TimeInstant.isBefore(when, this.presentTime())) { |
| 1793 | myExperiment |
| 1794 | .sendWarning( |
| 1795 | "Can't reschedule Schedulable at given time! " |
| 1796 | + "Command ignored.", |
| 1797 | "Scheduler : " |
| 1798 | + getName() |
| 1799 | + " Method: schedule(Entity who1, Entity who2, Entity who3, EventOf3Entities what, TimeInstant when)", |
| 1800 | "The instant given is in the past.", |
| 1801 | "To schedule a Schedulable, use a TimeInstant no earlier than the present time. " |
| 1802 | + "The present time can be obtained using the " |
| 1803 | + "presentTime() method."); |
| 1804 | return; |
| 1805 | // I can't be scheduled, TimeInstant has already passed. |
| 1806 | } |
| 1807 | |
| 1808 | EventNote note = new EventNote(who1, who2, who3, what, when); |
| 1809 | |
| 1810 | if (when == presentTime()) { // preempting schedule for processes |
| 1811 | if (_currentProcess == null) { // currently Event -> no preemption |
| 1812 | // inserted as first in the event-list with the current time as |
| 1813 | // activation |
| 1814 | evList.insertAsFirst(note); |
| 1815 | return; |
| 1816 | } else { // currently SimProcess -> preempt! |
| 1817 | preemptSimProcess(note); |
| 1818 | return; |
| 1819 | } |
| 1820 | |
| 1821 | } |
| 1822 | |
| 1823 | // all parameters checked, now schedule Event |
| 1824 | evList.insert(note); |
| 1825 | |
| 1826 | } |
| 1827 | |
| 1828 | /** |
| 1829 | * Schedules the given Entity and Event to happen straight after the given |
| 1830 | * Schedulable is set to be activated. Note that the siulation time for the |
| 1831 | * newly entered EventNote will be set to the Schedulable's time and the new |
| 1832 | * EventNote will be inserted directly after the Schedulable's EventNote. |
| 1833 | * <p> |
| 1834 | * <DIV align=center> |
| 1835 | * <TABLE BORDER > |
| 1836 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1837 | * <TR> |
| 1838 | * <TH><DIV align=center>scheduling type</TH> |
| 1839 | * <TH>Entity object</TH> |
| 1840 | * <TH>Event object</TH> |
| 1841 | * </TR> |
| 1842 | * <TR> |
| 1843 | * <TH>Event oriented</TH> |
| 1844 | * <TD>Event or SimProcess</TD> |
| 1845 | * <TD>Event</TD> |
| 1846 | * </TR> |
| 1847 | * <TR> |
| 1848 | * <TH>process oriented</TH> |
| 1849 | * <TD>SimProcess</TD> |
| 1850 | * <TD>null</TD> |
| 1851 | * </TR> |
| 1852 | * <TR> |
| 1853 | * <TH>external event</TH> |
| 1854 | * <TD>null</TD> |
| 1855 | * <TD>external event</TD> |
| 1856 | * </TR> |
| 1857 | * </TABLE> |
| 1858 | * </DIV> |
| 1859 | * |
| 1860 | * @param after |
| 1861 | * Schedulable : The Schedulable after which the new event-note is |
| 1862 | * to be scheduled |
| 1863 | * @param who |
| 1864 | * Entity : The Entity to be scheduled |
| 1865 | * @param what |
| 1866 | * Event : The event to be scheduled |
| 1867 | */ |
| 1868 | protected void scheduleAfter(Schedulable after, Entity who, EventAbstract what) { |
| 1869 | |
| 1870 | if (after == null) { |
| 1871 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 1872 | + "Command ignored.", "Scheduler : " + getName() |
| 1873 | + " Method: scheduleAfter(Schedulable after " |
| 1874 | + ", Entity who, EventAbstract what)", |
| 1875 | "The reference for the Schedulable to schedule after is a " |
| 1876 | + "null references.", |
| 1877 | "Always check to use valid references."); |
| 1878 | return; // relative Schedulable missing |
| 1879 | } |
| 1880 | |
| 1881 | if (!after.isScheduled() && (after != _currentSchedulable)) { |
| 1882 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 1883 | + "Command ignored.", "Scheduler : " + getName() |
| 1884 | + " Method: scheduleAfter(Schedulable after " |
| 1885 | + ", Entity who, EventAbstract what)", |
| 1886 | "The Schedulable to be scheduled after is not scheduled.", |
| 1887 | "The Schedulable taken as reference must be scheduled."); |
| 1888 | return; // relative Schedulable not scheduled |
| 1889 | } |
| 1890 | |
| 1891 | if ((who == null) && (what == null)) { |
| 1892 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1893 | + "Command ignored.", "Scheduler : " + getName() |
| 1894 | + " Method: scheduleAfter(Schedulable after " |
| 1895 | + ", Entity who, EventAbstract what)", |
| 1896 | "The Event and Entity references passed are both " |
| 1897 | + "null references.", |
| 1898 | "Either Event or Entity references must be valid."); |
| 1899 | return; // no real parameters here anyway |
| 1900 | } |
| 1901 | |
| 1902 | if ((who == null) && !(what instanceof ExternalEvent)) { |
| 1903 | myExperiment.sendWarning("Can't schedule Event! Command ignored.", |
| 1904 | "Scheduler : " + getName() |
| 1905 | + " Method: scheduleAfter(Schedulabe " |
| 1906 | + "after, Entity who, EventAbstract what)", |
| 1907 | "The Entity reference passed is a null reference but the " |
| 1908 | + "Event references is not an external event.", |
| 1909 | "If no valid Entity is given, the event must be of type " |
| 1910 | + "external event."); |
| 1911 | return; // if no Entity it must be ExternalEvent |
| 1912 | } |
| 1913 | |
| 1914 | if (!(who instanceof SimProcess) && (what == null)) { |
| 1915 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1916 | + "Command ignored.", "Scheduler : " + getName() |
| 1917 | + " Method: scheduleAfter(Schedulabe " |
| 1918 | + "after, Entity who, EventAbstract what)", |
| 1919 | "The Entity needs a valid Event to be scheduled with.", |
| 1920 | "Only SimProcesses may be scheduled without events."); |
| 1921 | return; // Event needed with Entity |
| 1922 | } |
| 1923 | |
| 1924 | if(what != null) |
| 1925 | { |
| 1926 | if (what.getNumberOfEntities() > 1) |
| 1927 | { |
| 1928 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 1929 | + "Command ignored.", "Scheduler : " + getName() |
| 1930 | + " Method: scheduleAfter(Schedulabe " |
| 1931 | + "after, Entity who, EventAbstract what)", |
| 1932 | "The method needs the correct Event to be scheduled with.", |
| 1933 | "You are using an event for multiple entities. You need an event for a single entity."); |
| 1934 | return; // Event with only one entity needed |
| 1935 | } |
| 1936 | } |
| 1937 | |
| 1938 | if (after != _currentSchedulable) { |
| 1939 | // all parameters checked, now go on and schedule |
| 1940 | EventNote afterNote = after.getEventNotes().get(after.getEventNotes().size()-1); |
| 1941 | evList.insertAfter(afterNote, new EventNote(who, what, afterNote |
| 1942 | .getTime())); |
| 1943 | // sets the time equivalent to the Schedulable's |
| 1944 | } else { |
| 1945 | evList.insertAsFirst(new EventNote(who, what, presentTime())); |
| 1946 | } |
| 1947 | |
| 1948 | } |
| 1949 | |
| 1950 | /** |
| 1951 | * Schedules the given Entity and Event to happen straight after the given |
| 1952 | * Schedulable is set to be activated. Note that the siulation time for the |
| 1953 | * newly entered EventNote will be set to the Schedulable's time and the new |
| 1954 | * EventNote will be inserted directly after the Schedulable's EventNote. |
| 1955 | * <p> |
| 1956 | * <DIV align=center> |
| 1957 | * <TABLE BORDER > |
| 1958 | * <CAPTION>Valid scheduling types </CAPTION> |
| 1959 | * <TR> |
| 1960 | * <TH><DIV align=center>scheduling type</TH> |
| 1961 | * <TH>Entity object</TH> |
| 1962 | * <TH>Event object</TH> |
| 1963 | * </TR> |
| 1964 | * <TR> |
| 1965 | * <TH>Event oriented</TH> |
| 1966 | * <TD>Event or SimProcess</TD> |
| 1967 | * <TD>Event</TD> |
| 1968 | * </TR> |
| 1969 | * <TR> |
| 1970 | * <TH>process oriented</TH> |
| 1971 | * <TD>SimProcess</TD> |
| 1972 | * <TD>null</TD> |
| 1973 | * </TR> |
| 1974 | * <TR> |
| 1975 | * <TH>external event</TH> |
| 1976 | * <TD>null</TD> |
| 1977 | * <TD>external event</TD> |
| 1978 | * </TR> |
| 1979 | * </TABLE> |
| 1980 | * </DIV> |
| 1981 | * |
| 1982 | * @param after |
| 1983 | * Schedulable : The Schedulable after which the new event-note is |
| 1984 | * to be scheduled |
| 1985 | * @param who1 |
| 1986 | * Entity : The first entity to be scheduled |
| 1987 | * |
| 1988 | * @param who2 |
| 1989 | * Entity : The second entity to be scheduled |
| 1990 | * |
| 1991 | * @param what |
| 1992 | * EventOf2Entities : The event to be scheduled |
| 1993 | */ |
| 1994 | protected void scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities<?, ?> what) { |
| 1995 | |
| 1996 | if (after == null) { |
| 1997 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 1998 | + "Command ignored.", "Scheduler : " + getName() |
| 1999 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2000 | "The reference for the Schedulable to schedule after is a " |
| 2001 | + "null references.", |
| 2002 | "Always check to use valid references."); |
| 2003 | return; // relative Schedulable missing |
| 2004 | } |
| 2005 | |
| 2006 | if (!after.isScheduled() && (after != _currentSchedulable)) { |
| 2007 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2008 | + "Command ignored.", "Scheduler : " + getName() |
| 2009 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2010 | "The Schedulable to be scheduled after is not scheduled.", |
| 2011 | "The Schedulable taken as reference must be scheduled."); |
| 2012 | return; // relative Schedulable not scheduled |
| 2013 | } |
| 2014 | |
| 2015 | if ((who1 == null) && (what == null)) { |
| 2016 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2017 | + "Command ignored.", "Scheduler : " + getName() |
| 2018 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2019 | "The event and Entity 'who1' references passed are both " |
| 2020 | + "null references.", |
| 2021 | "Either Event or Entity 'who1' references must be valid."); |
| 2022 | return; // no real parameters here anyway |
| 2023 | } |
| 2024 | |
| 2025 | if ((who2 == null) && (what == null)) { |
| 2026 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2027 | + "Command ignored.", "Scheduler : " + getName() |
| 2028 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2029 | "The event and Entity 'who2' references passed are both " |
| 2030 | + "null references.", |
| 2031 | "Either Event or Entity 'who2' references must be valid."); |
| 2032 | return; // no real parameters here anyway |
| 2033 | } |
| 2034 | |
| 2035 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 2036 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2037 | + "Command ignored.", "Scheduler : " + getName() |
| 2038 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2039 | "The Entity 'who1' needs a valid Event to be scheduled with.", |
| 2040 | "Only SimProcesses may be scheduled without events."); |
| 2041 | return; // Event needed with Entity |
| 2042 | } |
| 2043 | |
| 2044 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 2045 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2046 | + "Command ignored.", "Scheduler : " + getName() |
| 2047 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2048 | "The Entity 'who2' needs a valid Event to be scheduled with.", |
| 2049 | "Only SimProcesses may be scheduled without events."); |
| 2050 | return; // Event needed with Entity |
| 2051 | } |
| 2052 | |
| 2053 | if (after != _currentSchedulable) { |
| 2054 | // all parameters checked, now go on and schedule |
| 2055 | EventNote afterNote = after.getEventNotes().get(after.getEventNotes().size()-1); |
| 2056 | evList.insertAfter(afterNote, new EventNote(who1, who2, what, afterNote |
| 2057 | .getTime())); |
| 2058 | // sets the time equivalent to the Schedulable's |
| 2059 | } else { |
| 2060 | evList.insertAsFirst(new EventNote(who1, who2, what, presentTime())); |
| 2061 | } |
| 2062 | |
| 2063 | } |
| 2064 | |
| 2065 | /** |
| 2066 | * Schedules the given Entity and Event to happen straight after the given |
| 2067 | * Schedulable is set to be activated. Note that the siulation time for the |
| 2068 | * newly entered EventNote will be set to the Schedulable's time and the new |
| 2069 | * EventNote will be inserted directly after the Schedulable's EventNote. |
| 2070 | * <p> |
| 2071 | * <DIV align=center> |
| 2072 | * <TABLE BORDER > |
| 2073 | * <CAPTION>Valid scheduling types </CAPTION> |
| 2074 | * <TR> |
| 2075 | * <TH><DIV align=center>scheduling type</TH> |
| 2076 | * <TH>Entity object</TH> |
| 2077 | * <TH>Event object</TH> |
| 2078 | * </TR> |
| 2079 | * <TR> |
| 2080 | * <TH>Event oriented</TH> |
| 2081 | * <TD>Event or SimProcess</TD> |
| 2082 | * <TD>Event</TD> |
| 2083 | * </TR> |
| 2084 | * <TR> |
| 2085 | * <TH>process oriented</TH> |
| 2086 | * <TD>SimProcess</TD> |
| 2087 | * <TD>null</TD> |
| 2088 | * </TR> |
| 2089 | * <TR> |
| 2090 | * <TH>external event</TH> |
| 2091 | * <TD>null</TD> |
| 2092 | * <TD>external event</TD> |
| 2093 | * </TR> |
| 2094 | * </TABLE> |
| 2095 | * </DIV> |
| 2096 | * |
| 2097 | * @param after |
| 2098 | * Schedulable : The Schedulable after which the new event-note is |
| 2099 | * to be scheduled |
| 2100 | * @param who1 |
| 2101 | * Entity : The first entity to be scheduled |
| 2102 | * |
| 2103 | * @param who2 |
| 2104 | * Entity : The second entity to be scheduled |
| 2105 | * |
| 2106 | * @param who3 |
| 2107 | * Entity : The third entity to be scheduled |
| 2108 | * |
| 2109 | * @param what |
| 2110 | * EventOf3Entities : The event to be scheduled |
| 2111 | */ |
| 2112 | protected void scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities<?, ?, ?> what) { |
| 2113 | |
| 2114 | if (after == null) { |
| 2115 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2116 | + "Command ignored.", "Scheduler : " + getName() |
| 2117 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2118 | "The reference for the Schedulable to schedule after is a " |
| 2119 | + "null references.", |
| 2120 | "Always check to use valid references."); |
| 2121 | return; // relative Schedulable missing |
| 2122 | } |
| 2123 | |
| 2124 | if (!after.isScheduled() && (after != _currentSchedulable)) { |
| 2125 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2126 | + "Command ignored.", "Scheduler : " + getName() |
| 2127 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2128 | "The Schedulable to be scheduled after is not scheduled.", |
| 2129 | "The Schedulable taken as reference must be scheduled."); |
| 2130 | return; // relative Schedulable not scheduled |
| 2131 | } |
| 2132 | |
| 2133 | if ((who1 == null) && (what == null)) { |
| 2134 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2135 | + "Command ignored.", "Scheduler : " + getName() |
| 2136 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2137 | "The event and Entity 'who1' references passed are both " |
| 2138 | + "null references.", |
| 2139 | "Either Event or Entity 'who1' references must be valid."); |
| 2140 | return; // no real parameters here anyway |
| 2141 | } |
| 2142 | |
| 2143 | if ((who2 == null) && (what == null)) { |
| 2144 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2145 | + "Command ignored.", "Scheduler : " + getName() |
| 2146 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2147 | "The event and Entity 'who2' references passed are both " |
| 2148 | + "null references.", |
| 2149 | "Either Event or Entity 'who2' references must be valid."); |
| 2150 | return; // no real parameters here anyway |
| 2151 | } |
| 2152 | |
| 2153 | if ((who3 == null) && (what == null)) { |
| 2154 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2155 | + "Command ignored.", "Scheduler : " + getName() |
| 2156 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2157 | "The event and Entity 'who3' references passed are both " |
| 2158 | + "null references.", |
| 2159 | "Either Event or Entity 'who3' references must be valid."); |
| 2160 | return; // no real parameters here anyway |
| 2161 | } |
| 2162 | |
| 2163 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 2164 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2165 | + "Command ignored.", "Scheduler : " + getName() |
| 2166 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2167 | "The Entity 'who1' needs a valid Event to be scheduled with.", |
| 2168 | "Only SimProcesses may be scheduled without events."); |
| 2169 | return; // Event needed with Entity |
| 2170 | } |
| 2171 | |
| 2172 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 2173 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2174 | + "Command ignored.", "Scheduler : " + getName() |
| 2175 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2176 | "The Entity 'who2' needs a valid Event to be scheduled with.", |
| 2177 | "Only SimProcesses may be scheduled without events."); |
| 2178 | return; // Event needed with Entity |
| 2179 | } |
| 2180 | |
| 2181 | if (!(who3 instanceof SimProcess) && (what == null)) { |
| 2182 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2183 | + "Command ignored.", "Scheduler : " + getName() |
| 2184 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2185 | "The Entity 'who3' needs a valid Event to be scheduled with.", |
| 2186 | "Only SimProcesses may be scheduled without events."); |
| 2187 | return; // Event needed with Entity |
| 2188 | } |
| 2189 | |
| 2190 | if (after != _currentSchedulable) { |
| 2191 | // all parameters checked, now go on and schedule |
| 2192 | EventNote afterNote = after.getEventNotes().get(after.getEventNotes().size()-1); |
| 2193 | evList.insertAfter(afterNote, new EventNote(who1, who2, who3, what, afterNote |
| 2194 | .getTime())); |
| 2195 | // sets the time equivalent to the Schedulable's |
| 2196 | } else { |
| 2197 | evList.insertAsFirst(new EventNote(who1, who2, who3, what, presentTime())); |
| 2198 | } |
| 2199 | |
| 2200 | } |
| 2201 | |
| 2202 | /** |
| 2203 | * Schedules the given Entity and Event to happen straight before the given |
| 2204 | * Schedulable is scheduled. Note that the simulation time for the newly |
| 2205 | * entered EventNote will be set to the Schedulable's time and the new |
| 2206 | * EventNote will be inserted directly before the Schedulable's EventNote. |
| 2207 | * <p> |
| 2208 | * <DIV align=center> |
| 2209 | * <TABLE BORDER > |
| 2210 | * <CAPTION>Valid scheduling types </CAPTION> |
| 2211 | * <TR> |
| 2212 | * <TH><DIV align=center>scheduling type</TH> |
| 2213 | * <TH>Entity object</TH> |
| 2214 | * <TH>Event object</TH> |
| 2215 | * </TR> |
| 2216 | * <TR> |
| 2217 | * <TH>Event oriented</TH> |
| 2218 | * <TD>Event or SimProcess</TD> |
| 2219 | * <TD>Event</TD> |
| 2220 | * </TR> |
| 2221 | * <TR> |
| 2222 | * <TH>process oriented</TH> |
| 2223 | * <TD>SimProcess</TD> |
| 2224 | * <TD>null</TD> |
| 2225 | * </TR> |
| 2226 | * <TR> |
| 2227 | * <TH>external event</TH> |
| 2228 | * <TD>null</TD> |
| 2229 | * <TD>external event</TD> |
| 2230 | * </TR> |
| 2231 | * </TABLE> |
| 2232 | * </DIV> |
| 2233 | * |
| 2234 | * @param before |
| 2235 | * Schedulable : The Schedulable before which the new event-note |
| 2236 | * is to be scheduled |
| 2237 | * @param who |
| 2238 | * Entity : The Entity to be scheduled |
| 2239 | * @param what |
| 2240 | * Event : The event to be scheduled |
| 2241 | */ |
| 2242 | protected void scheduleBefore(Schedulable before, Entity who, EventAbstract what) { |
| 2243 | |
| 2244 | if (before == null) { |
| 2245 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2246 | + "Command ignored.", "Scheduler : " + getName() |
| 2247 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2248 | "The reference for the Schedulable to schedule before is a " |
| 2249 | + "null references.", |
| 2250 | "Always check to use valid references."); |
| 2251 | return; // relative Schedulable missing |
| 2252 | } |
| 2253 | |
| 2254 | if (!before.isScheduled()) { |
| 2255 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2256 | + "Command ignored.", "Scheduler : " + getName() |
| 2257 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2258 | "The Schedulable to schedule after is not scheduled.", |
| 2259 | "The Schedulable taken as reference must be scheduled."); |
| 2260 | return; // relative Schedulable not scheduled |
| 2261 | } |
| 2262 | |
| 2263 | if ((who == null) && (what == null)) { |
| 2264 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2265 | + "Command ignored.", "Scheduler : " + getName() |
| 2266 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2267 | "The Event and Entity references passed are both " |
| 2268 | + "null references.", |
| 2269 | "Either Event or Entity references must be valid."); |
| 2270 | return; // no real parameters here anyway |
| 2271 | } |
| 2272 | |
| 2273 | if ((who == null) && !(what instanceof ExternalEvent)) { |
| 2274 | myExperiment.sendWarning("Can't schedule Event! Command ignored.", |
| 2275 | "Scheduler : " + getName() |
| 2276 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2277 | "The Entity reference passed is a null reference but the " |
| 2278 | + "Event references is not an external event.", |
| 2279 | "If no valid Entity is given, the event must be of type " |
| 2280 | + "external event."); |
| 2281 | return; // if no Entity it must be ExternalEvent |
| 2282 | } |
| 2283 | |
| 2284 | if (!(who instanceof SimProcess) && (what == null)) { |
| 2285 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2286 | + "Command ignored.", "Scheduler : " + getName() |
| 2287 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2288 | "The Entity needs a valid Event to be scheduled with.", |
| 2289 | "Only SimProcesses may be scheduled without events."); |
| 2290 | return; // Event needed with Entity |
| 2291 | } |
| 2292 | |
| 2293 | if(what != null) |
| 2294 | { |
| 2295 | if (what.getNumberOfEntities() > 1) |
| 2296 | { |
| 2297 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2298 | + "Command ignored.", "Scheduler : " + getName() |
| 2299 | + " Method: Schedulable before, Entity who, EventAbstract what", |
| 2300 | "The method needs the correct Event to be scheduled with.", |
| 2301 | "You are using an event for multiple entities. You need an event for a single entity."); |
| 2302 | return; // Event needed with Entity |
| 2303 | } |
| 2304 | } |
| 2305 | |
| 2306 | // all parameters checked, now go on and schedule |
| 2307 | EventNote beforeNote = before.getEventNotes().get(0); |
| 2308 | evList.insertBefore(beforeNote, new EventNote(who, what, beforeNote |
| 2309 | .getTime())); |
| 2310 | // sets the time equivalent to the Schedulable's |
| 2311 | } |
| 2312 | |
| 2313 | |
| 2314 | /** |
| 2315 | * Schedules the given Entity and Event to happen straight before the given |
| 2316 | * Schedulable is scheduled. Note that the simulation time for the newly |
| 2317 | * entered EventNote will be set to the Schedulable's time and the new |
| 2318 | * EventNote will be inserted directly before the Schedulable's EventNote. |
| 2319 | * <p> |
| 2320 | * <DIV align=center> |
| 2321 | * <TABLE BORDER > |
| 2322 | * <CAPTION>Valid scheduling types </CAPTION> |
| 2323 | * <TR> |
| 2324 | * <TH><DIV align=center>scheduling type</TH> |
| 2325 | * <TH>Entity object</TH> |
| 2326 | * <TH>Event object</TH> |
| 2327 | * </TR> |
| 2328 | * <TR> |
| 2329 | * <TH>Event oriented</TH> |
| 2330 | * <TD>Event or SimProcess</TD> |
| 2331 | * <TD>Event</TD> |
| 2332 | * </TR> |
| 2333 | * <TR> |
| 2334 | * <TH>process oriented</TH> |
| 2335 | * <TD>SimProcess</TD> |
| 2336 | * <TD>null</TD> |
| 2337 | * </TR> |
| 2338 | * <TR> |
| 2339 | * <TH>external event</TH> |
| 2340 | * <TD>null</TD> |
| 2341 | * <TD>external event</TD> |
| 2342 | * </TR> |
| 2343 | * </TABLE> |
| 2344 | * </DIV> |
| 2345 | * |
| 2346 | * @param before |
| 2347 | * Schedulable : The Schedulable before which the new event-note |
| 2348 | * is to be scheduled |
| 2349 | * @param who1 |
| 2350 | * Entity : The first entity to be scheduled |
| 2351 | * |
| 2352 | * @param who2 |
| 2353 | * Entity : The second entity to be scheduled |
| 2354 | * |
| 2355 | * @param what |
| 2356 | * EventOf2Entities : The event to be scheduled |
| 2357 | */ |
| 2358 | protected void scheduleBefore(Schedulable before, Entity who1, Entity who2, EventOf2Entities<?, ?> what) { |
| 2359 | |
| 2360 | if (before == null) { |
| 2361 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2362 | + "Command ignored.", "Scheduler : " + getName() |
| 2363 | + " Method: scheduleBefore(Schedulable before, Entity who1, Entity who2, EventOf2Entities what)", |
| 2364 | "The reference for the Schedulable to schedule before is a " |
| 2365 | + "null references.", |
| 2366 | "Always check to use valid references."); |
| 2367 | return; // relative Schedulable missing |
| 2368 | } |
| 2369 | |
| 2370 | if (!before.isScheduled()) { |
| 2371 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2372 | + "Command ignored.", "Scheduler : " + getName() |
| 2373 | + " Method: scheduleBefore(Schedulable before, Entity who1, Entity who2, EventOf2Entities what)", |
| 2374 | "The Schedulable to schedule after is not scheduled.", |
| 2375 | "The Schedulable taken as reference must be scheduled."); |
| 2376 | return; // relative Schedulable not scheduled |
| 2377 | } |
| 2378 | |
| 2379 | if ((who1 == null) && (what == null)) { |
| 2380 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2381 | + "Command ignored.", "Scheduler : " + getName() |
| 2382 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2383 | "The event and Entity 'who1' references passed are both " |
| 2384 | + "null references.", |
| 2385 | "Either Event or Entity 'who1' references must be valid."); |
| 2386 | return; // no real parameters here anyway |
| 2387 | } |
| 2388 | |
| 2389 | if ((who2 == null) && (what == null)) { |
| 2390 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2391 | + "Command ignored.", "Scheduler : " + getName() |
| 2392 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2393 | "The event and Entity 'who2' references passed are both " |
| 2394 | + "null references.", |
| 2395 | "Either Event or Entity 'who2' references must be valid."); |
| 2396 | return; |
| 2397 | |
| 2398 | } |
| 2399 | |
| 2400 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 2401 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2402 | + "Command ignored.", "Scheduler : " + getName() |
| 2403 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2404 | "The Entity 'who1' needs a valid Event to be scheduled with.", |
| 2405 | "Only SimProcesses may be scheduled without events."); |
| 2406 | return; // Event needed with Entity |
| 2407 | } |
| 2408 | |
| 2409 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 2410 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2411 | + "Command ignored.", "Scheduler : " + getName() |
| 2412 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, EventOf2Entities what)", |
| 2413 | "The Entity 'who2' needs a valid Event to be scheduled with.", |
| 2414 | "Only SimProcesses may be scheduled without events."); |
| 2415 | return; // Event needed with Entity |
| 2416 | } |
| 2417 | |
| 2418 | // all parameters checked, now go on and schedule |
| 2419 | EventNote beforeNote = before.getEventNotes().get(0); |
| 2420 | evList.insertBefore(beforeNote, new EventNote(who1, who2, what, beforeNote |
| 2421 | .getTime())); |
| 2422 | // sets the time equivalent to the Schedulable's |
| 2423 | } |
| 2424 | |
| 2425 | /** |
| 2426 | * Schedules the given Entity and Event to happen straight before the given |
| 2427 | * Schedulable is scheduled. Note that the simulation time for the newly |
| 2428 | * entered EventNote will be set to the Schedulable's time and the new |
| 2429 | * EventNote will be inserted directly before the Schedulable's EventNote. |
| 2430 | * <p> |
| 2431 | * <DIV align=center> |
| 2432 | * <TABLE BORDER > |
| 2433 | * <CAPTION>Valid scheduling types </CAPTION> |
| 2434 | * <TR> |
| 2435 | * <TH><DIV align=center>scheduling type</TH> |
| 2436 | * <TH>Entity object</TH> |
| 2437 | * <TH>Event object</TH> |
| 2438 | * </TR> |
| 2439 | * <TR> |
| 2440 | * <TH>Event oriented</TH> |
| 2441 | * <TD>Event or SimProcess</TD> |
| 2442 | * <TD>Event</TD> |
| 2443 | * </TR> |
| 2444 | * <TR> |
| 2445 | * <TH>process oriented</TH> |
| 2446 | * <TD>SimProcess</TD> |
| 2447 | * <TD>null</TD> |
| 2448 | * </TR> |
| 2449 | * <TR> |
| 2450 | * <TH>external event</TH> |
| 2451 | * <TD>null</TD> |
| 2452 | * <TD>external event</TD> |
| 2453 | * </TR> |
| 2454 | * </TABLE> |
| 2455 | * </DIV> |
| 2456 | * |
| 2457 | * @param before |
| 2458 | * Schedulable : The Schedulable before which the new event-note |
| 2459 | * is to be scheduled |
| 2460 | * @param who1 |
| 2461 | * Entity : The first entity to be scheduled |
| 2462 | * |
| 2463 | * @param who2 |
| 2464 | * Entity : The second entity to be scheduled |
| 2465 | * |
| 2466 | * @param who3 |
| 2467 | * Entity : The third entity to be scheduled |
| 2468 | * |
| 2469 | * @param what |
| 2470 | * EventOf3Entities : The event to be scheduled |
| 2471 | */ |
| 2472 | protected void scheduleBefore(Schedulable before, Entity who1, Entity who2, Entity who3, EventOf3Entities<?, ?, ?> what) { |
| 2473 | |
| 2474 | if (before == null) { |
| 2475 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2476 | + "Command ignored.", "Scheduler : " + getName() |
| 2477 | + " Method: scheduleBefore(Schedulable before, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2478 | "The reference for the Schedulable to schedule before is a " |
| 2479 | + "null references.", |
| 2480 | "Always check to use valid references."); |
| 2481 | return; // relative Schedulable missing |
| 2482 | } |
| 2483 | |
| 2484 | if (!before.isScheduled()) { |
| 2485 | myExperiment.sendWarning("Can't schedule after Schedulable! " |
| 2486 | + "Command ignored.", "Scheduler : " + getName() |
| 2487 | + " Method: scheduleBefore(Schedulable before, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2488 | "The Schedulable to schedule after is not scheduled.", |
| 2489 | "The Schedulable taken as reference must be scheduled."); |
| 2490 | return; // relative Schedulable not scheduled |
| 2491 | } |
| 2492 | |
| 2493 | if ((who1 == null) && (what == null)) { |
| 2494 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2495 | + "Command ignored.", "Scheduler : " + getName() |
| 2496 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2497 | "The event and Entity 'who1' references passed are both " |
| 2498 | + "null references.", |
| 2499 | "Either Event or Entity 'who1' references must be valid."); |
| 2500 | return; // no real parameters here anyway |
| 2501 | } |
| 2502 | |
| 2503 | if ((who2 == null) && (what == null)) { |
| 2504 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2505 | + "Command ignored.", "Scheduler : " + getName() |
| 2506 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2507 | "The event and Entity 'who2' references passed are both " |
| 2508 | + "null references.", |
| 2509 | "Either Event or Entity 'who2' references must be valid."); |
| 2510 | return; // no real parameters here anyway |
| 2511 | } |
| 2512 | |
| 2513 | if ((who3 == null) && (what == null)) { |
| 2514 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2515 | + "Command ignored.", "Scheduler : " + getName() |
| 2516 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2517 | "The event and Entity 'who3' references passed are both " |
| 2518 | + "null references.", |
| 2519 | "Either Event or Entity 'who3' references must be valid."); |
| 2520 | return; // no real parameters here anyway |
| 2521 | } |
| 2522 | |
| 2523 | if (!(who1 instanceof SimProcess) && (what == null)) { |
| 2524 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2525 | + "Command ignored.", "Scheduler : " + getName() |
| 2526 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2527 | "The Entity 'who1' needs a valid Event to be scheduled with.", |
| 2528 | "Only SimProcesses may be scheduled without events."); |
| 2529 | return; // Event needed with Entity |
| 2530 | } |
| 2531 | |
| 2532 | if (!(who2 instanceof SimProcess) && (what == null)) { |
| 2533 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2534 | + "Command ignored.", "Scheduler : " + getName() |
| 2535 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2536 | "The Entity 'who2' needs a valid Event to be scheduled with.", |
| 2537 | "Only SimProcesses may be scheduled without events."); |
| 2538 | return; // Event needed with Entity |
| 2539 | } |
| 2540 | |
| 2541 | if (!(who3 instanceof SimProcess) && (what == null)) { |
| 2542 | myExperiment.sendWarning("Can't schedule Entity and Event! " |
| 2543 | + "Command ignored.", "Scheduler : " + getName() |
| 2544 | + " Method: scheduleAfter(Schedulable after, Entity who1, Entity who2, Entity who3, EventOf3Entities what)", |
| 2545 | "The Entity 'who3' needs a valid Event to be scheduled with.", |
| 2546 | "Only SimProcesses may be scheduled without events."); |
| 2547 | return; // Event needed with Entity |
| 2548 | } |
| 2549 | |
| 2550 | // all parameters checked, now go on and schedule |
| 2551 | EventNote beforeNote = before.getEventNotes().get(0); |
| 2552 | evList.insertBefore(beforeNote, new EventNote(who1, who2, who3, what, beforeNote |
| 2553 | .getTime())); |
| 2554 | // sets the time equivalent to the Schedulable's |
| 2555 | } |
| 2556 | |
| 2557 | /** |
| 2558 | * Creates and sends a debugnote to the experiment's messagedistributor. |
| 2559 | * These debugnotes express the internal state of the event-list to visualize |
| 2560 | * the changes of state to help find bugs. Classes <code>Scheduler</code> |
| 2561 | * and <code>Queue</code> both produce debugnotes if set to do so |
| 2562 | * representing the data stored inside them. The information about the |
| 2563 | * simulation time is extracted from the experiment and must not be given as |
| 2564 | * a parameter. |
| 2565 | * |
| 2566 | * @param description |
| 2567 | * java.lang.String : The description of the event-list's internal |
| 2568 | * state to be passed with this debugnote |
| 2569 | */ |
| 2570 | void sendDebugNote(String description) { |
| 2571 | |
| 2572 | myExperiment.getMessageManager().receive( |
| 2573 | new DebugNote(myExperiment.getModel(), presentTime(), |
| 2574 | getName(), description)); |
| 2575 | |
| 2576 | } |
| 2577 | |
| 2578 | /** |
| 2579 | * Sets the execution speed rate. |
| 2580 | * |
| 2581 | * @param executionSpeedRate |
| 2582 | * double : the execution speed rate |
| 2583 | * @author Felix Klueckmann |
| 2584 | */ |
| 2585 | protected void setExecutionSpeedRate(double executionSpeedRate) { |
| 2586 | _lock.lock(); |
| 2587 | this._executionSpeedRate = executionSpeedRate; |
| 2588 | this._timeReset = true; |
| 2589 | _waitSynchCondition.signal(); |
| 2590 | _lock.unlock(); |
| 2591 | } |
| 2592 | |
| 2593 | /** |
| 2594 | * Sets the flag indicating if the event-list processes concurrent Events in |
| 2595 | * random order or not. If a change occurred the event-list has to be |
| 2596 | * changed accordingly. |
| 2597 | * |
| 2598 | * @param randomizing |
| 2599 | * boolean :<code>true</code> forces random order, |
| 2600 | * <code>false</code> forces "linear" order |
| 2601 | * @author Ruth Meyer |
| 2602 | */ |
| 2603 | protected void setRandomizingConcurrentEvents(boolean randomizing) { |
| 2604 | // nothing new? |
| 2605 | if (this._randomizingConcurrentEvents == randomizing) { |
| 2606 | return; // just keep everything as is |
| 2607 | } |
| 2608 | // ok, we have to change the event-list (oh bother!) |
| 2609 | this._randomizingConcurrentEvents = randomizing; |
| 2610 | EventList newList; |
| 2611 | if (this.evList instanceof EventTreeList) { |
| 2612 | if (randomizing) { |
| 2613 | newList = new RandomizingEventTreeList(); |
| 2614 | } else { |
| 2615 | newList = new EventTreeList(); |
| 2616 | } |
| 2617 | } else { |
| 2618 | if (randomizing) { |
| 2619 | newList = new RandomizingEventVector(); |
| 2620 | } else { |
| 2621 | newList = new EventVectorList(); |
| 2622 | } |
| 2623 | } |
| 2624 | // copy old list into new list |
| 2625 | EventNote note = this.evList.firstNote(); |
| 2626 | while (note != null) { |
| 2627 | newList.insert(note); |
| 2628 | note = this.evList.nextNote(note); |
| 2629 | } |
| 2630 | this.evList = newList; |
| 2631 | } |
| 2632 | |
| 2633 | /** |
| 2634 | * Returns the status of the current simulation. Clients should not need to |
| 2635 | * use this method explicitly. This method is polled by each thread when it |
| 2636 | * exits a lock to check wether it should continue its lifeCycle() method ot |
| 2637 | * throw a SimulationFinishedException, which seems to be the only legal way |
| 2638 | * to break out of the deep call hierarchies and stop the Process' |
| 2639 | * lifeCycle. |
| 2640 | * |
| 2641 | * @return boolean : state of the simulation. False if still running, true |
| 2642 | * if the simulation has already finished correctly |
| 2643 | */ |
| 2644 | boolean simFinished() { |
| 2645 | |
| 2646 | return simulationFinished; |
| 2647 | |
| 2648 | } |
| 2649 | |
| 2650 | /** |
| 2651 | * Signals that the experiment is stopped. |
| 2652 | * |
| 2653 | * @author Felix Klueckmann |
| 2654 | */ |
| 2655 | protected void signalStop() { |
| 2656 | _lock.lock(); |
| 2657 | this._timeReset = true; |
| 2658 | _waitSynchCondition.signal(); |
| 2659 | _lock.unlock(); |
| 2660 | } |
| 2661 | |
| 2662 | /** |
| 2663 | * Returns a string representation of the current state of the event-list. |
| 2664 | * The string is built by concatenating all string representations of the |
| 2665 | * contained entities, events and TimeInstant objects calling their |
| 2666 | * <code>toString()</code> methods. |
| 2667 | * |
| 2668 | * @return java.lang.String : The string representation of the queuelist |
| 2669 | */ |
| 2670 | public String toString() { |
| 2671 | |
| 2672 | StringBuffer buffer = new StringBuffer(); // strings |
| 2673 | StringBuffer enBuff = null; // Buffer for Entities |
| 2674 | EventAbstract evBuff; // Buffer for events |
| 2675 | |
| 2676 | TimeInstant tiBuff; // Buffer for Instants |
| 2677 | |
| 2678 | buffer.append("At " + this.presentTime()); |
| 2679 | |
| 2680 | if (this._currentEvent != null) { |
| 2681 | buffer.append(" current event ["); |
| 2682 | if (this._currentEvent.getNumberOfEntities() == 0) { |
| 2683 | buffer.append("-"); |
| 2684 | } else { |
| 2685 | buffer.append(this._currentEntity1); |
| 2686 | if (this._currentEntity2 != null) buffer.append("," + this._currentEntity2); |
| 2687 | if (this._currentEntity3 != null) buffer.append("," + this._currentEntity3); |
| 2688 | } |
| 2689 | buffer.append("][" + this._currentEvent + "]"); |
| 2690 | } else if (this._currentProcess != null) { |
| 2691 | buffer.append(" current process [" + this._currentProcess + "]"); |
| 2692 | } |
| 2693 | |
| 2694 | buffer.append(" <br>EvenList: "); |
| 2695 | |
| 2696 | if (evList.isEmpty()) { |
| 2697 | // if empty, give short note |
| 2698 | buffer.append("- empty -"); |
| 2699 | return buffer.toString(); |
| 2700 | } else { |
| 2701 | |
| 2702 | // go thru list and present Event notes |
| 2703 | int i = 0; // counter for position |
| 2704 | |
| 2705 | for (EventNote iNote = evList.firstNote(); iNote != null; iNote = evList |
| 2706 | .nextNote(iNote)) { // loop thru list |
| 2707 | |
| 2708 | buffer.append(i + ":"); |
| 2709 | i++; // increment counter |
| 2710 | |
| 2711 | // set the buffers. This saves some calls to EventNote methods |
| 2712 | evBuff = iNote.getEvent(); |
| 2713 | if (evBuff.getNumberOfEntities() > 0) { |
| 2714 | enBuff = new StringBuffer(iNote.getEntity1().toString()); |
| 2715 | if (evBuff.getNumberOfEntities() > 1) { |
| 2716 | enBuff.append("," + iNote.getEntity2()); |
| 2717 | if (evBuff.getNumberOfEntities() > 2) { |
| 2718 | enBuff.append("," + iNote.getEntity3()); |
| 2719 | } |
| 2720 | |
| 2721 | } |
| 2722 | } else { |
| 2723 | enBuff = null; |
| 2724 | } |
| 2725 | tiBuff = iNote.getTime(); |
| 2726 | |
| 2727 | // set Entity |
| 2728 | if (enBuff == null) |
| 2729 | buffer.append("[-]"); |
| 2730 | else |
| 2731 | buffer.append("[" + enBuff.toString() + "]"); |
| 2732 | // embrace in brackets |
| 2733 | |
| 2734 | // set Event |
| 2735 | if (evBuff == null) |
| 2736 | buffer.append("[-]"); |
| 2737 | else |
| 2738 | buffer.append("[" + evBuff.toString() + "]"); |
| 2739 | // embrace in brackets |
| 2740 | |
| 2741 | // set time |
| 2742 | if (tiBuff == null) |
| 2743 | buffer.append("[-]"); // can never happen... |
| 2744 | else |
| 2745 | buffer.append("[" + tiBuff.toString() + "]<br>"); |
| 2746 | // embrace in brackets |
| 2747 | // and make a linebreak |
| 2748 | } |
| 2749 | |
| 2750 | } |
| 2751 | // get it to the client who asked for it... |
| 2752 | return buffer.toString(); |
| 2753 | } |
| 2754 | } |