package de.ugoe.cs.eventbench.commands; import java.security.InvalidParameterException; import java.util.HashSet; import java.util.List; import java.util.Set; import de.ugoe.cs.eventbench.CommandHelpers; import de.ugoe.cs.eventbench.data.GlobalDataContainer; import de.ugoe.cs.eventbench.data.Event; import de.ugoe.cs.eventbench.models.IStochasticProcess; import de.ugoe.cs.util.console.Command; import de.ugoe.cs.util.console.Console; /** *

* Command to generate random sessions. *

* * @author Steffen Herbold * @version 1.0 */ public class CMDgenerateRandomSequences implements Command { /* * (non-Javadoc) * * @see de.ugoe.cs.util.console.Command#run(java.util.List) */ @Override public void run(List parameters) { String modelname; String sequencesName; int numSessions; int minLength = 0; int maxLength = Integer.MAX_VALUE; long maxIter; try { modelname = (String) parameters.get(0); sequencesName = (String) parameters.get(1); numSessions = Integer.parseInt((String) parameters.get(2)); minLength = Integer.parseInt((String) parameters.get(3)); maxLength = Integer.parseInt((String) parameters.get(4)); maxIter = numSessions * 10; if (parameters.size() >= 5) { maxIter = Long.parseLong((String) parameters.get(5)); } } catch (Exception e) { throw new InvalidParameterException(); } IStochasticProcess model = null; Object dataObject = GlobalDataContainer.getInstance() .getData(modelname); if (dataObject == null) { CommandHelpers.objectNotFoundMessage(modelname); return; } if (!(dataObject instanceof IStochasticProcess)) { CommandHelpers.objectNotType(modelname, "IStochasticProcess"); return; } model = (IStochasticProcess) dataObject; Set>> sequences = new HashSet>>( numSessions); long numIterations = 0; while (sequences.size() < numSessions && numIterations < maxIter) { List> generatedSequence = model.randomSequence(); if (generatedSequence.size() >= minLength && generatedSequence.size() <= maxLength) { sequences.add(generatedSequence); } numIterations++; } if (sequences.size() < numSessions) { Console.println("Only " + sequences.size() + " unique sessions generated after " + maxIter + " iterations"); } if (GlobalDataContainer.getInstance().addData(sequencesName, sequences)) { CommandHelpers.dataOverwritten(sequencesName); } } /* * (non-Javadoc) * * @see de.ugoe.cs.util.console.Command#help() */ @Override public void help() { Console.println("Usage: generateRandomSequenecs {}"); } }