/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.model;
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import java.io.Serializable;
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import org.jbpm.pvm.internal.env.EnvironmentImpl;
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import org.jbpm.pvm.internal.script.ScriptManager;
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import org.jbpm.pvm.internal.wire.Descriptor;
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import org.jbpm.pvm.internal.wire.WireContext;
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/** a declaration of a variable.
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*
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* The source properties denote how the variable gets initialized upon creation.
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*
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* The destination properties indicate how information from the current scope
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* gets propagated back into the outer scope.
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*
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* @author Tom Baeyens
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*/
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public class VariableDefinitionImpl implements Serializable {
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private static final long serialVersionUID = 1L;
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protected String name;
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protected String typeName;
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protected boolean isHistoryEnabled;
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protected String initExpression;
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protected String initLanguage;
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protected Descriptor initDescriptor;
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public Object getInitValue(ExecutionImpl execution) {
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if (initDescriptor!=null) {
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return WireContext.create(initDescriptor);
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}
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if (initExpression!=null) {
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ScriptManager scriptManager = EnvironmentImpl.getFromCurrent(ScriptManager.class);
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return scriptManager.evaluateExpression(initExpression, initLanguage);
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}
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return null;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getInitExpression() {
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return initExpression;
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}
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public void setInitExpression(String initExpression) {
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this.initExpression = initExpression;
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}
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public Descriptor getInitDescriptor() {
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return initDescriptor;
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}
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public void setInitDescriptor(Descriptor inDescriptor) {
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this.initDescriptor = inDescriptor;
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}
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public String getTypeName() {
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return typeName;
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}
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public void setTypeName(String typeName) {
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this.typeName = typeName;
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}
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public String getInitLanguage() {
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return initLanguage;
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}
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public void setInitLanguage(String initLanguage) {
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this.initLanguage = initLanguage;
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}
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public boolean isHistoryEnabled() {
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return isHistoryEnabled;
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}
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public void setHistoryEnabled(boolean isHistoryEnabled) {
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this.isHistoryEnabled = isHistoryEnabled;
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}
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}
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