/*
* 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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.script.ScriptManager;
/**
* @author Tom Baeyens
*/
public class VariableOutDefinitionSet implements Serializable {
private static final long serialVersionUID = 1L;
protected List<VariableOutDefinitionImpl> variableOutDefinitions;
public void processOutVariables(ExecutionImpl outerExecution, ScopeInstanceImpl innerScopeInstance) {
// loop over all variable definitions
if (hasVariableOutDefinitions()) {
for (VariableOutDefinitionImpl variableOutDefinition: variableOutDefinitions) {
String variableName = variableOutDefinition.getName();
if (variableName!=null) {
ScriptManager scriptManager = Environment.getFromCurrent(ScriptManager.class);
// TODO update evaluateExpression so that scopeInstance can be passed in directly
String expression = variableOutDefinition.getExpression();
String language = variableOutDefinition.getLanguage();
Object value = scriptManager.evaluateExpression(expression, language);
outerExecution.setVariable(variableName, value);
}
}
}
}
public boolean hasVariableOutDefinitions() {
return ( (variableOutDefinitions!=null)
&& (!variableOutDefinitions.isEmpty())
);
}
public List<VariableOutDefinitionImpl> getVariableOutDefinitions() {
if (variableOutDefinitions==null) {
return Collections.EMPTY_LIST;
}
return variableOutDefinitions;
}
public VariableOutDefinitionImpl createVariableOutDefinition() {
VariableOutDefinitionImpl variableOutDefinition = new VariableOutDefinitionImpl();
if (variableOutDefinitions==null) {
variableOutDefinitions = new ArrayList<VariableOutDefinitionImpl>();
}
variableOutDefinitions.add(variableOutDefinition);
return variableOutDefinition;
}
}