/* * 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.context.exe; import java.util.Map; import org.jbpm.graph.exe.Token; /** * is a jbpm-internal map of variableInstances related to one {@link Token}. * Each token has it's own map of variableInstances, thereby creating hierarchy * and scoping of process variableInstances. */ public class TokenVariableMap extends VariableContainer { private static final long serialVersionUID = 1L; long id; int version; protected Token token; protected ContextInstance contextInstance; public TokenVariableMap() { } public TokenVariableMap(Token token, ContextInstance contextInstance) { this.token = token; this.contextInstance = contextInstance; } public void addVariableInstance(VariableInstance variableInstance) { super.addVariableInstance(variableInstance); variableInstance.setTokenVariableMap(this); } public String toString() { return "TokenVariableMap" + (token != null ? '(' + token.getName() + ')' : '@' + Integer.toHexString(hashCode())); } // protected //////////////////////////////////////////////////////////////// protected VariableContainer getParentVariableContainer() { Token parentToken = token.getParent(); return parentToken != null ? contextInstance.getTokenVariableMap(parentToken) : null; } // getters and setters ////////////////////////////////////////////////////// public ContextInstance getContextInstance() { return contextInstance; } public Token getToken() { return token; } public Map getVariableInstances() { return variableInstances; } }