source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/commands/CMDgenerateRandomReplay.java @ 203

package de.ugoe.cs.eventbench.commands;

import java.security.InvalidParameterException;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import de.ugoe.cs.eventbench.ReplayGenerator;
import de.ugoe.cs.eventbench.data.GlobalDataContainer;
import de.ugoe.cs.eventbench.data.ReplayableEvent;
import de.ugoe.cs.eventbench.models.IStochasticProcess;
import de.ugoe.cs.util.console.Command;
import de.ugoe.cs.util.console.Console;

/**
 * <p>
 * Command to create a replay file with randomly generated sessions.
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class CMDgenerateRandomReplay implements Command {

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#help()
         */
        @Override
        public void help() {
                Console.println("Usage: generateRandomReplay <modelName> <filename> {<numSessions>}");
        }

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#run(java.util.List)
         */
        @SuppressWarnings("unchecked")
        @Override
        public void run(List<Object> parameters) {
                String modelname;
                String filename;
                int numSessions = 1;
                try {
                        modelname = (String) parameters.get(0);
                        filename = (String) parameters.get(1);
                        if (parameters.size() < 3) {
                                numSessions = Integer.parseInt((String) parameters.get(2));
                        }
                } catch (Exception e) {
                        throw new InvalidParameterException();
                }

                IStochasticProcess model = null;
                Object dataObject = GlobalDataContainer.getInstance()
                                .getData(modelname);
                if (dataObject == null) {
                        Console.println("Model " + modelname + " not found in storage.");
                } else if (!(dataObject instanceof IStochasticProcess)) {
                        Console.println("Object " + modelname + " not of type MarkovModel!");
                } else {
                        model = (IStochasticProcess) dataObject;
                        Collection<List<ReplayableEvent<?>>> sequences = new LinkedList<List<ReplayableEvent<?>>>();
                        try {
                                for (int i = 0; i < numSessions; i++) {
                                        sequences.add((List<ReplayableEvent<?>>) model
                                                        .randomSequence());
                                }
                        } catch (ClassCastException e) {
                                Console.println("Modeled events don't support replay.");
                        }
                        ReplayGenerator generator = new ReplayGenerator();
                        generator.createLogfileMultipleSessions(sequences, filename);
                }
        }

}