| 1 | package de.uka.ipd.sdq.simucomframework.calculator; |
| 2 | |
| 3 | import java.util.Vector; |
| 4 | import java.util.concurrent.LinkedBlockingQueue; |
| 5 | |
| 6 | import javax.measure.Measure; |
| 7 | import javax.measure.quantity.Quantity; |
| 8 | |
| 9 | import org.apache.log4j.Logger; |
| 10 | import org.eclipse.core.runtime.CoreException; |
| 11 | |
| 12 | import de.uka.ipd.sdq.pipesandfilters.framework.MetaDataInit; |
| 13 | import de.uka.ipd.sdq.pipesandfilters.framework.PipeData; |
| 14 | import de.uka.ipd.sdq.pipesandfilters.framework.PipesAndFiltersManager; |
| 15 | import de.uka.ipd.sdq.pipesandfilters.framework.recorder.IRawWriteStrategy; |
| 16 | import de.uka.ipd.sdq.pipesandfilters.framework.recorder.RawRecorder; |
| 17 | import de.uka.ipd.sdq.pipesandfilters.framework.recorder.Recorder; |
| 18 | import de.uka.ipd.sdq.pipesandfilters.framework.recorder.launch.RecorderExtensionHelper; |
| 19 | import de.uka.ipd.sdq.probespec.framework.calculator.Calculator; |
| 20 | import de.uka.ipd.sdq.probespec.framework.calculator.ICalculatorListener; |
| 21 | import de.uka.ipd.sdq.simucomframework.model.SimuComModel; |
| 22 | |
| 23 | public class SetupConcurrentPipesAndFiltersStrategy implements ISetupDataSinkStrategy { |
| 24 | /** Logger for this class. */ |
| 25 | private static final Logger logger = Logger.getLogger(SetupConcurrentPipesAndFiltersStrategy.class); |
| 26 | |
| 27 | private SimuComModel model; |
| 28 | |
| 29 | public SetupConcurrentPipesAndFiltersStrategy(SimuComModel model) { |
| 30 | this.model = model; |
| 31 | } |
| 32 | |
| 33 | public PipesAndFiltersManager setupDataSink(Calculator calculator, MetaDataInit metaData) { |
| 34 | // Initialize recorder and Pipes-and-Filters-Manger |
| 35 | Recorder recorder = new RawRecorder(createWriteStrategy()); |
| 36 | final PipesAndFiltersManager pipeManager = new PipesAndFiltersManager( |
| 37 | recorder); |
| 38 | pipeManager.initialize(metaData); |
| 39 | |
| 40 | // start thread |
| 41 | final ProcessPipeData processPipeData = new ProcessPipeData(pipeManager); |
| 42 | new Thread(processPipeData).start(); |
| 43 | |
| 44 | calculator.addCalculatorListener(new ICalculatorListener() { |
| 45 | public void calculated(Vector<Measure<?, ? extends Quantity>> resultTuple) { |
| 46 | processPipeData.enqueue(new PipeData(resultTuple)); |
| 47 | } |
| 48 | }); |
| 49 | |
| 50 | return pipeManager; |
| 51 | } |
| 52 | |
| 53 | private IRawWriteStrategy createWriteStrategy() { |
| 54 | try { |
| 55 | String writeStrategyClass = RecorderExtensionHelper |
| 56 | .getWriteStrategyClassNameForName(model.getConfig() |
| 57 | .getRecorderName()); |
| 58 | return (IRawWriteStrategy) Class.forName(writeStrategyClass).newInstance(); |
| 59 | } catch (CoreException e) { |
| 60 | logger.error("Error occured during write strategy creation.", e); |
| 61 | } catch (InstantiationException e) { |
| 62 | logger.error("Error occured during write strategy creation.", e); |
| 63 | } catch (IllegalAccessException e) { |
| 64 | logger.error("Error occured during write strategy creation.", e); |
| 65 | } catch (ClassNotFoundException e) { |
| 66 | logger.error("Error occured during write strategy creation.", e); |
| 67 | } |
| 68 | return null; |
| 69 | } |
| 70 | |
| 71 | private class ProcessPipeData implements Runnable { |
| 72 | |
| 73 | private LinkedBlockingQueue<PipeData> pipeQueue; |
| 74 | |
| 75 | private boolean keepRunning = true; |
| 76 | |
| 77 | private PipesAndFiltersManager pipeManager; |
| 78 | |
| 79 | public ProcessPipeData(PipesAndFiltersManager pipeManager) { |
| 80 | this.pipeManager = pipeManager; |
| 81 | pipeQueue = new LinkedBlockingQueue<PipeData>(); |
| 82 | } |
| 83 | |
| 84 | public void run() { |
| 85 | while(keepRunning) { |
| 86 | try { |
| 87 | pipeManager.processData(pipeQueue.take()); |
| 88 | } catch (InterruptedException e) { |
| 89 | logger.error("Could not process data in the pipe.", e); |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | public void stop() { |
| 95 | keepRunning = false; |
| 96 | } |
| 97 | |
| 98 | public void enqueue(PipeData data) { |
| 99 | try { |
| 100 | pipeQueue.put(data); |
| 101 | } catch (InterruptedException e) { |
| 102 | logger.error("Could not enqueue data in pipe.", e); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | } |
| 107 | } |