package com.c2kernel.lifecycle.instance;
import java.util.StringTokenizer;

import com.c2kernel.common.InvalidDataException;
import com.c2kernel.graph.model.DirectedEdge;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.scripting.ScriptingEngineException;
import com.c2kernel.utils.Logger;
/**
 * @version $Revision: 1.22 $ $Date: 2005/05/10 15:14:54 $
 * @author $Author: abranson $
 */
public class OrSplit extends Split
{
	/**
	 * @see java.lang.Object#Object()
	 */
	public OrSplit()
	{
		super();
	}
	@Override
	public void runNext(AgentPath agent, int itemSysKey) throws InvalidDataException
	{
		String nexts;
		String scriptName = (String) getProperties().get("RoutingScriptName");
		Integer scriptVersion = getVersionNumberProperty("RoutingScriptVersion");
        try {
			nexts = this.evaluateScript(scriptName, scriptVersion, itemSysKey).toString();
		} catch (ScriptingEngineException e) {
			Logger.error(e);
			throw new InvalidDataException("Error running routing script "+scriptName+" v"+scriptVersion, null);
		}
		StringTokenizer tok = new StringTokenizer(nexts, ",");
		Logger.msg(7, tok.countTokens() + " nexts to activate:" + nexts);
		int active = 0;
		try
		{
			DirectedEdge[] outEdges = getOutEdges();
            AdvancementCalculator adv = new AdvancementCalculator();
            adv.calculate((CompositeActivity)getParent());
			while (tok.hasMoreTokens())
			{
				String thisNext = tok.nextToken();
				Logger.msg(7, "Finding next " + thisNext);
				for (DirectedEdge outEdge : outEdges) {
					Next nextEdge = (Next) outEdge;
					if (thisNext != null && thisNext.equals(nextEdge.getProperties().get("Alias")))
					{
                        WfVertex term = nextEdge.getTerminusVertex();
                        term.run(agent, itemSysKey);
						Logger.msg(7, "Running " + nextEdge.getProperties().get("Alias"));
						active++;
					}
				}
			}
			// if no active nexts throw exception
		}
		catch (Exception e)
		{
			Logger.error(e);
		}
		if (active == 0)
			throw new InvalidDataException("No nexts were activated!", null);
	}


}