examples/workspace/org.eclipse.egf.usecase.activityworkflow.uc1/src/org/eclipse/egf/usecase/activityworkflow/uc1/java/HelloJava.java

/**
 * <copyright>
 *
 *  Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 *  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:
 *      Thales Corporate Services S.A.S - initial API and implementation
 * 
 * </copyright>
 */

package org.eclipse.egf.usecase.activityworkflow.uc1.java;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.egf.core.EGFCorePlugin;
import org.eclipse.egf.core.producer.InvocationException;
import org.eclipse.egf.ftask.producer.context.ITaskProductionContext;
import org.eclipse.egf.ftask.producer.invocation.ITaskProduction;

/**
 * @author Benoit Langlois
 * 
 * This Java task
 *  1) Reads the "message" variable from the context
 *  2) Changes the "message" value
 *  3) Changes the "message" variable in the context with the new value  
 * 
 */


public class HelloJava implements ITaskProduction {

	String message = new String();
	
	public void preExecute(ITaskProductionContext productionContext,
			IProgressMonitor monitor) throws InvocationException {

		// Get "message" value from context
		message  = productionContext.getInputValue("message", String.class);
	}

	public void doExecute(ITaskProductionContext productionContext,
			IProgressMonitor monitor) throws InvocationException {

		// Change "message" value
	    message = message + " from Java";

		
		// Display on console
		System.out.println(message);
		
		// Display in the EGF Console
	    EGFCorePlugin.getDefault().logInfo(message); 		  
	}

	public void postExecute(ITaskProductionContext productionContext,
			IProgressMonitor monitor) throws InvocationException {

		// Change "message" value in the context
		productionContext.setOutputValue("message", message);
		
	}

}