/*
* 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.examples.ch03.compositioncontrolflow;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.jbpm.pvm.Execution;
import org.jbpm.pvm.ExternalActivity;
import org.jbpm.pvm.Node;
import org.jbpm.pvm.SignalDefinition;
public class Sequence implements ExternalActivity {
private static final long serialVersionUID = 1L;
public void execute(Execution execution) {
List<Node> nodes = execution.getNode().getNodes();
execution.execute(nodes.get(0));
}
public void signal(Execution execution, String signal, Map<String, Object> parameters) {
Node previous = execution.getPreviousNode();
List<Node> nodes = execution.getNode().getNodes();
int previousIndex = nodes.indexOf(previous);
int nextIndex = previousIndex+1;
if (nextIndex < nodes.size()) {
Node next = nodes.get(nextIndex);
execution.execute(next);
}
}
public Set<SignalDefinition> getSignals(Execution execution) {
return null;
}
}