plugins/org.eclipse.viatra2.gtasm.trigger/src/org/eclipse/viatra2/gtasm/trigger/natives/StartTriggerFunction.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Andras Okros, Istvan Rath and Daniel Varro
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Andras Okros - initial API and implementation
 *******************************************************************************/

 package org.eclipse.viatra2.gtasm.trigger.natives;

import org.eclipse.viatra2.gtasm.trigger.engine.TriggerEngineManager;
import org.eclipse.viatra2.gtasm.trigger.engine.TriggerExecutionEngine;
import org.eclipse.viatra2.gtasm.trigger.model.Trigger;
import org.eclipse.viatra2.core.IModelSpace;
import org.eclipse.viatra2.errors.VPMRuntimeException;
import org.eclipse.viatra2.natives.ASMNativeFunction;

/**
 * A Viatra native function for starting triggers from VTCL code.
 * @author Andr�s �kr�s
 */
public class StartTriggerFunction implements ASMNativeFunction {

	public Object evaluate(IModelSpace msp, Object[] params) throws VPMRuntimeException 
	{
		String name = (String) params[0];				// The name of the gtrule
		boolean founded = false;
		
		//Trigger output = new Trigger(name);
		//TriggerExecutionEngine single = TriggerEngineManager.getInstance().getTriggerEngine(msp.getFramework());
		//single.initTrigger(output);
		//return "The " + name + " trigger started.";
		
		TriggerExecutionEngine single = TriggerEngineManager.getInstance().getTriggerEngine(msp.getFramework());
		for (Trigger trigger : single.getTriggers())
		{
			if (trigger.getName().equals(name)) {
				founded = true;
				single.startTrigger(trigger);
			}	
		}
				
		if (founded)
			return "startTrigger: the " + name + " trigger started.";
		else
			return "startTrigger: the " + name + " trigger cannot be found.";
	}
	
	public String getDescription() 
	{
		return "Starts a trigger in the trigger execution engine";
	}

	public String getID() 
	{
		return "org.eclipse.viatra2.gtasm.trigger.natives.StartTriggerFunction";
	}

	public String getName() 
	{
		return "startTrigger";  // VTCL command name
	}

}