| 1 | package de.uka.ipd.sdq.probespec.framework.calculator; |
| 2 | |
| 3 | import java.util.Vector; |
| 4 | |
| 5 | import javax.measure.unit.SI; |
| 6 | |
| 7 | import de.uka.ipd.sdq.pipesandfilters.framework.CaptureType; |
| 8 | import de.uka.ipd.sdq.pipesandfilters.framework.MeasurementMetric; |
| 9 | import de.uka.ipd.sdq.pipesandfilters.framework.Scale; |
| 10 | import de.uka.ipd.sdq.probespec.framework.ProbeSpecContext; |
| 11 | |
| 12 | /** |
| 13 | * Calculates a time span representing the waiting time. |
| 14 | * |
| 15 | * @author Faber, Philipp Merkle |
| 16 | * @see UnaryCalculator |
| 17 | * @see Calculator |
| 18 | */ |
| 19 | public class WaitingTimeCalculator extends TimeSpanCalculator { |
| 20 | |
| 21 | private static Vector<MeasurementMetric> concreteMeasurementMetrics; |
| 22 | |
| 23 | /** |
| 24 | * Default Constructor. |
| 25 | * |
| 26 | * @param ctx |
| 27 | * the {@link ProbeSpecContext} |
| 28 | * @param startWaitingProbeSetID |
| 29 | * references the ProbeSet which represents the starting point |
| 30 | * for the waiting time measurement |
| 31 | * @param stopWaitingProbeSetID |
| 32 | * references the ProbeSet which represents the final point for |
| 33 | * the waiting time measurement |
| 34 | */ |
| 35 | public WaitingTimeCalculator(ProbeSpecContext ctx, Integer startWaitingProbeSetID, Integer stopWaitingProbeSetID) { |
| 36 | super(ctx, startWaitingProbeSetID, stopWaitingProbeSetID); |
| 37 | } |
| 38 | |
| 39 | // @SuppressWarnings("unchecked") |
| 40 | // @Override |
| 41 | // protected Vector<Measure<?, ? extends Quantity>> calculate( |
| 42 | // ProbeSetSample sample) throws CalculatorException { |
| 43 | // // Obtain measured resource response time |
| 44 | // IMatchRule[] rules = new IMatchRule[1]; |
| 45 | // rules[0] = new ProbeTypeMatchRule(ProbeType.CPU_RESPONSE_TIME); |
| 46 | // Vector<ProbeSample<?, ? extends Quantity>> result = sample |
| 47 | // .getProbeSamples(rules); |
| 48 | // ProbeSample<Double, Duration> responseTimeSample = null; |
| 49 | // double responseTime = -1; |
| 50 | // if (result != null && result.size() > 0) { |
| 51 | // responseTimeSample = (ProbeSample<Double, Duration>) result.get(0); |
| 52 | // responseTime = responseTimeSample.getMeasure().doubleValue( |
| 53 | // responseTimeSample.getMeasure().getUnit()); |
| 54 | // } |
| 55 | // |
| 56 | // // Obtain measured demand |
| 57 | // rules[0] = new ProbeTypeMatchRule(ProbeType.CPU_RESOURCE_DEMAND); |
| 58 | // result = sample.getProbeSamples(rules); |
| 59 | // ProbeSample<Double, Duration> demandSample = null; |
| 60 | // double demand = -1; |
| 61 | // if (result != null && result.size() > 0) { |
| 62 | // demandSample = (ProbeSample<Double, Duration>) result.get(0); |
| 63 | // demand = demandSample.getMeasure().doubleValue( |
| 64 | // responseTimeSample.getMeasure().getUnit()); |
| 65 | // } |
| 66 | // |
| 67 | // if (responseTimeSample != null && demandSample != null) { |
| 68 | // // Create result tuple |
| 69 | // double waitTime = responseTime - demand; |
| 70 | // |
| 71 | // Measure<Double, Duration> waitTimeMeasure = Measure.valueOf( |
| 72 | // waitTime, responseTimeSample.getMeasure().getUnit()); |
| 73 | // Vector<Measure<?, ? extends Quantity>> resultTuple = new |
| 74 | // Vector<Measure<?, ? extends Quantity>>(); |
| 75 | // resultTuple.add(waitTimeMeasure); |
| 76 | // |
| 77 | // return resultTuple; |
| 78 | // } else { |
| 79 | // throw new CalculatorException( |
| 80 | // "Could not access all needed probe samples."); |
| 81 | // } |
| 82 | // } |
| 83 | |
| 84 | /** |
| 85 | * Initializes the metric information for the result of this calculator |
| 86 | * type. The method is called by the constructor of the super class. |
| 87 | */ |
| 88 | @Override |
| 89 | protected synchronized Vector<MeasurementMetric> getConcreteMeasurementMetrics() { |
| 90 | if (concreteMeasurementMetrics == null) { |
| 91 | concreteMeasurementMetrics = new Vector<MeasurementMetric>(); |
| 92 | MeasurementMetric mm = new MeasurementMetric( |
| 93 | CaptureType.NATURAL_NUMBER, SI.MILLI(SI.SECOND), |
| 94 | Scale.ORDINAL); |
| 95 | mm.setDescription("This measure represents the waiting time"); |
| 96 | mm.setMonotonic(false); |
| 97 | mm.setName("Waiting Time"); |
| 98 | mm.setStrongMonotonic(false); |
| 99 | concreteMeasurementMetrics.add(mm); |
| 100 | } |
| 101 | return concreteMeasurementMetrics; |
| 102 | } |
| 103 | |
| 104 | } |