/*
* 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.model;
import java.io.Serializable;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.script.ScriptManager;
import org.jbpm.pvm.internal.wire.Descriptor;
import org.jbpm.pvm.internal.wire.WireContext;
/** a declaration of a variable.
*
* The source properties denote how the variable gets initialized upon creation.
*
* The destination properties indicate how information from the current scope
* gets propagated back into the outer scope.
*
* @author Tom Baeyens
*/
public class VariableDefinitionImpl implements Serializable {
private static final long serialVersionUID = 1L;
protected String name;
protected String typeName;
protected boolean isHistoryEnabled;
protected String initExpression;
protected String initLanguage;
protected Descriptor initDescriptor;
public Object getInitValue(ExecutionImpl execution) {
if (initDescriptor!=null) {
return WireContext.create(initDescriptor);
}
if (initExpression!=null) {
ScriptManager scriptManager = Environment.getFromCurrent(ScriptManager.class);
return scriptManager.evaluateExpression(initExpression, initLanguage);
}
return null;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getInitExpression() {
return initExpression;
}
public void setInitExpression(String initExpression) {
this.initExpression = initExpression;
}
public Descriptor getInitDescriptor() {
return initDescriptor;
}
public void setInitDescriptor(Descriptor inDescriptor) {
this.initDescriptor = inDescriptor;
}
public String getTypeName() {
return typeName;
}
public void setTypeName(String typeName) {
this.typeName = typeName;
}
public String getInitLanguage() {
return initLanguage;
}
public void setInitLanguage(String initLanguage) {
this.initLanguage = initLanguage;
}
public boolean isHistoryEnabled() {
return isHistoryEnabled;
}
public void setHistoryEnabled(boolean isHistoryEnabled) {
this.isHistoryEnabled = isHistoryEnabled;
}
}