/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.jpdl.internal.activity;
import java.util.Map;
import org.jbpm.api.activity.ActivityExecution;
import org.jbpm.pvm.internal.model.Activity;
import org.jbpm.pvm.internal.model.ExecutionImpl;
import org.jbpm.pvm.internal.model.Transition;
/**
* @author Tom Baeyens
*/
public class StateActivity extends JpdlExternalActivity {
private static final long serialVersionUID = 1L;
public void execute(ActivityExecution execution) {
execute((ExecutionImpl)execution);
}
public void execute(ExecutionImpl execution) {
execution.historyActivityStart();
execution.waitForSignal();
}
public void signal(ActivityExecution execution, String signalName, Map<String, ?> parameters) throws Exception {
signal((ExecutionImpl)execution, signalName, parameters);
}
public void signal(ExecutionImpl execution, String signalName, Map<String, ?> parameters) throws Exception {
Activity activity = execution.getActivity();
if (parameters!=null) {
execution.setVariables(parameters);
}
execution.fire(signalName, activity);
Transition transition = null;
if ( (signalName==null)
&& (activity.getOutgoingTransitions()!=null)
&& (activity.getOutgoingTransitions().size()==1)
) {
transition = activity.getOutgoingTransitions().get(0);
} else {
transition = activity.findOutgoingTransition(signalName);
}
if (transition!=null) {
execution.historyActivityEnd(signalName);
execution.take(transition);
} else {
execution.waitForSignal();
}
}
}