/*
* 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.pvm.internal.cmd;
import java.util.ArrayList;
import java.util.List;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.model.ActivityImpl;
import org.jbpm.pvm.internal.model.ProcessDefinitionImpl;
import org.jbpm.pvm.internal.session.RepositorySession;
/**
* @author Tom Baeyens
*/
public class GetStartActivityNamesCmd implements Command<List<String>> {
private static final long serialVersionUID = 1L;
String processDefinitionId;
public GetStartActivityNamesCmd(String processDefinitionId) {
this.processDefinitionId = processDefinitionId;
}
public List<String> execute(Environment environment) {
List<String> activityNames = new ArrayList<String>();
RepositorySession repositorySession = Environment.getFromCurrent(RepositorySession.class);
ProcessDefinitionImpl processDefinition = repositorySession.findProcessDefinitionById(processDefinitionId);
for (ActivityImpl activity: (List<ActivityImpl>) processDefinition.getActivities()) {
if (activity.getIncomingTransitions().isEmpty()) {
activityNames.add(activity.getName());
}
}
return activityNames;
}
}