| 1 | /** |
| 2 | * |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.simulation.abstractsimengine.ssj; |
| 5 | |
| 6 | import org.apache.log4j.Logger; |
| 7 | |
| 8 | import sun.reflect.generics.reflectiveObjects.NotImplementedException; |
| 9 | import umontreal.iro.lecuyer.simevents.Event; |
| 10 | import umontreal.iro.lecuyer.simevents.Simulator; |
| 11 | import de.uka.ipd.sdq.simulation.abstractsimengine.AbstractSimProcessDelegator; |
| 12 | import de.uka.ipd.sdq.simulation.abstractsimengine.processes.ProcessState; |
| 13 | import de.uka.ipd.sdq.simulation.abstractsimengine.processes.SimProcessThreadingStrategy; |
| 14 | import de.uka.ipd.sdq.simulation.abstractsimengine.processes.SimulatedProcess; |
| 15 | |
| 16 | /** |
| 17 | * Simulation Process implementation for SSJ |
| 18 | * |
| 19 | * @author Snowball, Michael H. & Jens (bugfixing, refactorings, cleanup) |
| 20 | */ |
| 21 | public class SSJSimProcess extends SimulatedProcess { |
| 22 | |
| 23 | public static final Logger logger = Logger.getLogger(SSJSimProcess.class); |
| 24 | |
| 25 | /** |
| 26 | * Underlying abstract simulation process |
| 27 | */ |
| 28 | public final AbstractSimProcessDelegator myAbstractProcess; |
| 29 | |
| 30 | /** |
| 31 | * Reference to the actual and concrete simulation engine |
| 32 | */ |
| 33 | private final Simulator sim; |
| 34 | |
| 35 | /** |
| 36 | * Reference to the underlying SSJ experiment |
| 37 | */ |
| 38 | private final SSJExperiment ssjExperiment; |
| 39 | |
| 40 | /** |
| 41 | * Constructor |
| 42 | * @param myProcess Underlying abstract sim process |
| 43 | * @param name an ID |
| 44 | */ |
| 45 | public SSJSimProcess(AbstractSimProcessDelegator myProcess, String name) { |
| 46 | super(new SimProcessThreadingStrategy()); |
| 47 | this.myAbstractProcess = myProcess; |
| 48 | this.ssjExperiment = (SSJExperiment) myAbstractProcess.getModel().getSimulationControl(); |
| 49 | this.sim = ssjExperiment.getSimulator(); |
| 50 | |
| 51 | startProcess(processStrategy); |
| 52 | } |
| 53 | |
| 54 | /* (non-Javadoc) |
| 55 | * @see de.uka.ipd.sdq.simulation.abstractsimengine.ISimProcess#scheduleAt(double) |
| 56 | */ |
| 57 | public void scheduleAt(double delay) { |
| 58 | if (!isTerminated()) { |
| 59 | if (this.myProcessState != ProcessState.SUSPENDED) { |
| 60 | throw new IllegalStateException("Tried to schedule thread which was not suspended [" |
| 61 | + this.myAbstractProcess.getId() + "]"); |
| 62 | } |
| 63 | |
| 64 | // Resume process immediately to force process cleanup |
| 65 | if (!simIsRunning()) { |
| 66 | resume(); |
| 67 | } |
| 68 | |
| 69 | new Event(sim) { |
| 70 | @Override |
| 71 | public void actions() { |
| 72 | if (!isTerminated()) { |
| 73 | resume(); |
| 74 | } |
| 75 | } |
| 76 | }.schedule(delay); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | private boolean simIsRunning() { |
| 81 | return !ssjExperiment.getSimulator().isStopped(); |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | protected AbstractSimProcessDelegator getAbstractProcess() { |
| 86 | return this.myAbstractProcess; |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | public boolean isScheduled() { |
| 91 | throw new NotImplementedException(); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void reschedule(double delay) { |
| 96 | throw new NotImplementedException(); |
| 97 | } |
| 98 | |
| 99 | } |