| 1 | package de.uka.ipd.sdq.simucomframework.simulationdock; |
| 2 | |
| 3 | import java.util.Hashtable; |
| 4 | import java.util.Map; |
| 5 | |
| 6 | import org.apache.log4j.Logger; |
| 7 | import org.osgi.service.event.Event; |
| 8 | import org.osgi.service.event.EventAdmin; |
| 9 | |
| 10 | import de.uka.ipd.sdq.simulation.IStatusObserver; |
| 11 | |
| 12 | public class DebugObserver implements IStatusObserver { |
| 13 | |
| 14 | protected static Logger logger = |
| 15 | Logger.getLogger(DebugObserver.class.getName()); |
| 16 | |
| 17 | private boolean isStepping; |
| 18 | private EventAdmin eventAdmin; |
| 19 | private SimulationDockService myDock; |
| 20 | |
| 21 | private Object suspendedBarrier = new Object(); |
| 22 | private boolean suspended; |
| 23 | |
| 24 | public DebugObserver(EventAdmin eventAdmin, SimulationDockService myDock) { |
| 25 | super(); |
| 26 | this.eventAdmin = eventAdmin; |
| 27 | this.myDock = myDock; |
| 28 | this.suspended = true; |
| 29 | } |
| 30 | |
| 31 | public void suspend() { |
| 32 | this.suspended = true; |
| 33 | synchronized (this.suspendedBarrier) { |
| 34 | this.suspendedBarrier.notifyAll(); |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | public void resume() { |
| 39 | this.suspended = false; |
| 40 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/SIM_RESUMED"); |
| 41 | |
| 42 | if (this.isStepping) { |
| 43 | isStepping = false; |
| 44 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/PERFORMED_STEP"); |
| 45 | } |
| 46 | |
| 47 | synchronized (this.suspendedBarrier) { |
| 48 | this.suspendedBarrier.notifyAll(); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | public void step() { |
| 53 | if (suspended && !isStepping) { |
| 54 | this.isStepping = true; |
| 55 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/STARTED_STEP"); |
| 56 | synchronized (this.suspendedBarrier) { |
| 57 | this.suspendedBarrier.notifyAll(); |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | public void updateStatus(int percentDone, double currentSimTime, |
| 63 | long measurementsTaken) { |
| 64 | |
| 65 | if (this.isStepping) { |
| 66 | isStepping = false; |
| 67 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/PERFORMED_STEP"); |
| 68 | } |
| 69 | |
| 70 | synchronized(this.suspendedBarrier) { |
| 71 | while (this.suspended && !isStepping) { |
| 72 | try { |
| 73 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/SIM_SUSPENDED"); |
| 74 | this.suspendedBarrier.wait(); |
| 75 | } catch (InterruptedException e) { } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | if (this.suspended){ |
| 80 | postEvent("de/uka/ipd/sdq/simucomframework/simucomdock/SIM_RESUMED"); |
| 81 | logger.debug("------------------------- Simulation Resumed ----------------------------------"); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | private void postEvent(String topic) { |
| 86 | postEvent(topic, new Hashtable<String,Object>()); |
| 87 | } |
| 88 | |
| 89 | private void postEvent(String topic, Hashtable<String,Object> newProperties) { |
| 90 | Hashtable<String,Object> properties = new Hashtable<String,Object>(); |
| 91 | properties.put("DOCK_ID", myDock.getDockId()); |
| 92 | properties.putAll(newProperties); |
| 93 | Event event = new Event(topic, (Map)properties); |
| 94 | eventAdmin.sendEvent(event); |
| 95 | } |
| 96 | |
| 97 | } |