source: trunk/quest-ui-core/src/main/java/de/ugoe/cs/quest/ui/commands/CMDgenerateRandomReplay.java @ 667

package de.ugoe.cs.quest.ui.commands;

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

import de.ugoe.cs.quest.CommandHelpers;
import de.ugoe.cs.quest.ReplayGenerator;
import de.ugoe.cs.quest.eventcore.Event;
import de.ugoe.cs.quest.usageprofiles.IStochasticProcess;
import de.ugoe.cs.util.console.Command;
import de.ugoe.cs.util.console.Console;
import de.ugoe.cs.util.console.GlobalDataContainer;

/**
 * <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 String help() {
                return "generateRandomReplay <modelName> <filename> {<numSessions>}";
        }

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#run(java.util.List)
         */
        @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) {
                        CommandHelpers.objectNotFoundMessage(modelname);
                        return;
                }
                if (!(dataObject instanceof IStochasticProcess)) {
                        CommandHelpers.objectNotType(modelname, "IStochasticProcess");
                        return;
                }
                model = (IStochasticProcess) dataObject;
                Collection<List<Event>> sequences = new LinkedList<List<Event>>();
                try {
                        for (int i = 0; i < numSessions; i++) {
                                sequences
                                                .add((List<Event>) model.randomSequence());
                        }
                } catch (ClassCastException e) {
                        Console.printerrln("Modeled events don't support replay.");
                }
                ReplayGenerator generator = new ReplayGenerator();
                generator.createLogfileMultipleSessions(sequences, filename);
        }

}