trunk/workflowmodel-impl/src/test/java/net/sf/taverna/t2/workflowmodel/processor/AsynchEchoActivity.java

/*******************************************************************************
 * Copyright (C) 2007 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *    
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *    
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.workflowmodel.processor;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import net.sf.taverna.t2.reference.ExternalReferenceSPI;
import net.sf.taverna.t2.reference.T2Reference;
import net.sf.taverna.t2.workflowmodel.health.HealthReport;
import net.sf.taverna.t2.workflowmodel.health.HealthReport.Status;
import net.sf.taverna.t2.workflowmodel.processor.activity.AbstractAsynchronousActivity;
import net.sf.taverna.t2.workflowmodel.processor.activity.ActivityConfigurationException;
import net.sf.taverna.t2.workflowmodel.processor.activity.AsynchronousActivity;
import net.sf.taverna.t2.workflowmodel.processor.activity.AsynchronousActivityCallback;

public class AsynchEchoActivity extends
		AbstractAsynchronousActivity<EchoConfig> implements
		AsynchronousActivity<EchoConfig> {

	private EchoConfig config;

	@Override
	public void configure(EchoConfig conf) throws ActivityConfigurationException {
		addInput("input",0, true, new ArrayList<Class<? extends ExternalReferenceSPI>>(), String.class);
		addOutput("output",0,0);
		this.config = conf;
	}

	@Override
	public void executeAsynch(Map<String, T2Reference> data,
			AsynchronousActivityCallback callback) {
		T2Reference inputID = data.get("input");
		Map<String, T2Reference> outputMap = new HashMap<String, T2Reference>();
		outputMap.put("output", inputID);
		callback.receiveResult(outputMap, new int[0]);
	}

	@Override
	public EchoConfig getConfiguration() {
		return config;
	}

	public HealthReport checkActivityHealth() {
		return new HealthReport("AsynchEchoActivity",
				"Everything is hunky dorey", Status.OK);
	}

}