| 1 | package de.uka.ipd.sdq.statistics.test; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | import java.util.Iterator; |
| 6 | import java.util.List; |
| 7 | import java.util.Random; |
| 8 | |
| 9 | import de.uka.ipd.sdq.sensorframework.entities.Experiment; |
| 10 | import de.uka.ipd.sdq.sensorframework.entities.ExperimentRun; |
| 11 | import de.uka.ipd.sdq.sensorframework.entities.Measurement; |
| 12 | import de.uka.ipd.sdq.sensorframework.entities.Sensor; |
| 13 | import de.uka.ipd.sdq.sensorframework.entities.SensorAndMeasurements; |
| 14 | import de.uka.ipd.sdq.sensorframework.entities.TimeSpanSensor; |
| 15 | import de.uka.ipd.sdq.sensorframework.entities.dao.IDAOFactory; |
| 16 | import de.uka.ipd.sdq.sensorframework.entities.dao.IExperimentDAO; |
| 17 | |
| 18 | public class TestUtils { |
| 19 | |
| 20 | /** |
| 21 | * |
| 22 | * @param numberOfSamples |
| 23 | * @param desiredLag |
| 24 | * set lag > 1 in order to obtain a sequence of dependent values. |
| 25 | * @return |
| 26 | */ |
| 27 | public static List<Double> createSampleSequence(int numberOfSamples, |
| 28 | int desiredLag) { |
| 29 | Random random = new Random(); |
| 30 | List<Double> samples = new ArrayList<Double>(); |
| 31 | for (int i = 0; i < numberOfSamples; i += desiredLag) { |
| 32 | double randDbl = random.nextDouble(); |
| 33 | for (int j = 0; j < desiredLag && i + j < numberOfSamples; j++) { |
| 34 | samples.add(randDbl + (j * randDbl)); |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | return samples; |
| 39 | } |
| 40 | |
| 41 | public static Collection<Measurement> loadMeasurements(IDAOFactory factory, |
| 42 | String experimentName, int runId, int sensorId) { |
| 43 | |
| 44 | IExperimentDAO experimentDAO = factory.createExperimentDAO(); |
| 45 | |
| 46 | Collection<Experiment> experiment = experimentDAO.findByExperimentName(experimentName); |
| 47 | Iterator iterator = experiment.iterator(); |
| 48 | if (iterator.hasNext()) { |
| 49 | Experiment experiment2 = (Experiment) iterator.next(); |
| 50 | return loadMeasurementsFromExperiment(experiment2, runId, sensorId); |
| 51 | } else { |
| 52 | throw new RuntimeException("No Experiment with name "+experimentName+" available."); |
| 53 | } |
| 54 | |
| 55 | |
| 56 | |
| 57 | } |
| 58 | |
| 59 | private static Collection<Measurement> loadMeasurementsFromExperiment( |
| 60 | Experiment experiment, int runId, int sensorId) { |
| 61 | // Obtain (time span) sensor with specified id |
| 62 | TimeSpanSensor sensor = null; |
| 63 | for (Sensor s : experiment.getSensors()) { |
| 64 | if (s.getSensorID() == sensorId) { |
| 65 | if (s instanceof TimeSpanSensor) { |
| 66 | sensor = (TimeSpanSensor)s; |
| 67 | break; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | // Obtain experiment run with specified id |
| 73 | ExperimentRun run = null; |
| 74 | for (ExperimentRun r : experiment.getExperimentRuns()) { |
| 75 | if (r.getExperimentRunID() == runId) { |
| 76 | run = r; |
| 77 | break; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | SensorAndMeasurements sam = run.getMeasurementsOfSensor(sensor); |
| 82 | return sam.getMeasurements(); |
| 83 | } |
| 84 | |
| 85 | public static Collection<Measurement> loadMeasurements(IDAOFactory factory, |
| 86 | int experimentId, int runId, int sensorId) { |
| 87 | IExperimentDAO experimentDAO = factory.createExperimentDAO(); |
| 88 | |
| 89 | // Obtain experiment with specified id |
| 90 | Experiment experiment = null; |
| 91 | for (Experiment e : experimentDAO.getExperiments()) { |
| 92 | System.out.println(e.getExperimentName()); |
| 93 | if (e.getExperimentID() == experimentId) { |
| 94 | experiment = e; |
| 95 | break; |
| 96 | } |
| 97 | } |
| 98 | return loadMeasurementsFromExperiment(experiment, runId, sensorId); |
| 99 | |
| 100 | |
| 101 | } |
| 102 | |
| 103 | } |