/*
* 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.cmd;
import java.util.Set;
import org.jbpm.api.JbpmException;
import org.jbpm.pvm.internal.client.ClientExecution;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.session.DbSession;
/**
* @author Tom Baeyens
*/
public class GetExecutionVariableNamesCmd extends AbstractCommand<Set<String>> {
private static final long serialVersionUID = 1L;
String executionId;
public GetExecutionVariableNamesCmd(String executionId) {
if (executionId==null) {
throw new JbpmException("executionId is null");
}
this.executionId = executionId;
}
public Set<String> execute(Environment environment) throws Exception {
DbSession dbSession = environment.get(DbSession.class);
ClientExecution execution = dbSession.findExecutionById(executionId);
return execution.getVariableKeys();
}
}