/* * 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.graph.node; import org.jbpm.graph.def.*; import org.jbpm.graph.exe.ExecutionContext; import org.jbpm.graph.exe.Token; import org.jbpm.jpdl.exe.*; public class MilestoneNode extends Node { private static final long serialVersionUID = 1L; String tokenPath = "."; public MilestoneNode() { } public MilestoneNode(String name) { super(name); } public void execute(ExecutionContext executionContext) { Token token = executionContext.getToken(); // get the token on which the milestone should be verified Token milestoneToken = token.findToken( tokenPath ); if ( isMilestoneReached( name, milestoneToken ) ) { // continue to pass the token over the default transition token.getNode().leave(executionContext); } else { addMilestoneListener(name,milestoneToken); } } public boolean isMilestoneReached(String milestoneName, Token token) { MilestoneInstance mi = MilestoneInstance.getMilestoneInstance(milestoneName, token); return (mi != null ? mi.isReached() : false); } public void addMilestoneListener(String milestoneName, Token token) { MilestoneInstance mi = MilestoneInstance.getMilestoneInstance(milestoneName, token); mi.addListener(token); } public String getTokenPath() { return tokenPath; } public void setTokenPath(String relativeTokenPath) { this.tokenPath = relativeTokenPath; } }