| 1 | package de.ugoe.cs.quest.ui.commands;
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| 2 |
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| 3 | import java.security.InvalidParameterException;
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| 4 | import java.util.Collection;
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| 5 | import java.util.List;
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| 6 |
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| 7 | import de.ugoe.cs.quest.CommandHelpers;
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| 8 | import de.ugoe.cs.quest.eventcore.Event;
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| 9 | import de.ugoe.cs.quest.testgeneration.RandomWalkGenerator;
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| 10 | import de.ugoe.cs.quest.usageprofiles.IStochasticProcess;
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| 11 | import de.ugoe.cs.util.console.Command;
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| 12 | import de.ugoe.cs.util.console.Console;
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| 13 | import de.ugoe.cs.util.console.GlobalDataContainer;
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| 14 |
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| 15 | /**
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| 16 | * <p>
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| 17 | * Command to generate random sessions.
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| 18 | * </p>
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| 19 | *
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| 20 | * @author Steffen Herbold
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| 21 | * @version 1.0
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| 22 | */
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| 23 | public class CMDgenerateRandomSequences implements Command {
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| 24 |
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| 25 | /*
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| 26 | * (non-Javadoc)
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| 27 | *
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| 28 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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| 29 | */
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| 30 | @Override
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| 31 | public void run(List<Object> parameters) {
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| 32 | String modelname;
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| 33 | String sequencesName;
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| 34 | int numSessions;
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| 35 | int minLength = 0;
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| 36 | int maxLength = Integer.MAX_VALUE;
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| 37 | long maxIter;
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| 38 | boolean validEnd = true;
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| 39 | try {
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| 40 | modelname = (String) parameters.get(0);
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| 41 | sequencesName = (String) parameters.get(1);
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| 42 | numSessions = Integer.parseInt((String) parameters.get(2));
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| 43 | minLength = Integer.parseInt((String) parameters.get(3));
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| 44 | maxLength = Integer.parseInt((String) parameters.get(4));
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| 45 | maxIter = numSessions * 10;
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| 46 | if (parameters.size() >= 5) {
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| 47 | maxIter = Long.parseLong((String) parameters.get(5));
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| 48 | }
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| 49 | if (parameters.size() >= 6) {
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| 50 | validEnd = Boolean.parseBoolean((String) parameters.get(6));
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| 51 | }
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| 52 | } catch (Exception e) {
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| 53 | throw new InvalidParameterException();
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| 54 | }
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| 55 |
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| 56 | IStochasticProcess model = null;
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| 57 | Object dataObject = GlobalDataContainer.getInstance()
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| 58 | .getData(modelname);
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| 59 | if (dataObject == null) {
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| 60 | CommandHelpers.objectNotFoundMessage(modelname);
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| 61 | return;
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| 62 | }
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| 63 | if (!(dataObject instanceof IStochasticProcess)) {
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| 64 | CommandHelpers.objectNotType(modelname, "IStochasticProcess");
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| 65 | return;
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| 66 | }
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| 67 | model = (IStochasticProcess) dataObject;
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| 68 |
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| 69 | RandomWalkGenerator generator = new RandomWalkGenerator(numSessions,
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| 70 | minLength, maxLength, validEnd, maxIter);
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| 71 | Collection<List<Event>> sequences = generator
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| 72 | .generateTestSuite(model);
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| 73 |
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| 74 | if (sequences.size() < numSessions) {
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| 75 | Console.println("Only " + sequences.size()
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| 76 | + " unique sessions generated after " + maxIter
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| 77 | + " iterations");
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| 78 | }
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| 79 |
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| 80 | if (GlobalDataContainer.getInstance().addData(sequencesName, sequences)) {
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| 81 | CommandHelpers.dataOverwritten(sequencesName);
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| 82 | }
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| 83 | }
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| 84 |
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| 85 | /*
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| 86 | * (non-Javadoc)
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| 87 | *
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| 88 | * @see de.ugoe.cs.util.console.Command#help()
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| 89 | */
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| 90 | @Override
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| 91 | public String help() {
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| 92 | return "generateRandomSequenecs <modelname> <sequencesName> <numSequences> <minlength> <maxlength> {<maxIter>} {<validEnd>}";
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| 93 | }
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| 94 |
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| 95 | }
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