/*
* 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.variableinstance;
import org.hibernate.Session;
import org.jbpm.JbpmContext;
import org.jbpm.bytes.ByteArray;
import org.jbpm.context.exe.VariableInstance;
import org.jbpm.context.log.variableinstance.ByteArrayUpdateLog;
public class ByteArrayInstance extends VariableInstance {
private static final long serialVersionUID = 1L;
protected ByteArray value = null;
public boolean isStorable(Object value) {
if (value==null) return true;
return (ByteArray.class.isAssignableFrom(value.getClass()));
}
protected Object getObject() {
return value;
}
protected void setObject(Object value) {
if (token!=null) token.addLog(new ByteArrayUpdateLog(this, this.value, (ByteArray) value));
// delete old value, otherwise it will be unreachable
if (this.value != null) {
JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
if (jbpmContext != null) {
Session session = jbpmContext.getSession();
if (session != null) session.delete(this.value);
}
}
// set new value
this.value = (ByteArray) value;
}
}