/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.process.audit;
import java.util.Date;
import java.util.List;
import org.drools.WorkingMemory;
import org.drools.audit.WorkingMemoryLogger;
import org.drools.audit.event.LogEvent;
import org.drools.audit.event.RuleFlowLogEvent;
import org.drools.audit.event.RuleFlowNodeLogEvent;
import org.drools.event.KnowledgeRuntimeEventManager;
import org.hibernate.Session;
public class WorkingMemoryDbLogger extends WorkingMemoryLogger {
public WorkingMemoryDbLogger(WorkingMemory workingMemory) {
super(workingMemory);
}
public WorkingMemoryDbLogger(KnowledgeRuntimeEventManager session) {
super(session);
}
public void logEventCreated(LogEvent logEvent) {
switch (logEvent.getType()) {
case LogEvent.BEFORE_RULEFLOW_CREATED:
RuleFlowLogEvent processEvent = (RuleFlowLogEvent) logEvent;
addProcessLog(processEvent.getProcessInstanceId(), processEvent.getProcessId());
break;
case LogEvent.AFTER_RULEFLOW_COMPLETED:
processEvent = (RuleFlowLogEvent) logEvent;
updateProcessLog(processEvent.getProcessInstanceId());
break;
case LogEvent.BEFORE_RULEFLOW_NODE_TRIGGERED:
RuleFlowNodeLogEvent nodeEvent = (RuleFlowNodeLogEvent) logEvent;
addNodeEnterLog(nodeEvent.getProcessInstanceId(), nodeEvent.getProcessId(), nodeEvent.getNodeInstanceId(), nodeEvent.getNodeId(), nodeEvent.getNodeName());
break;
case LogEvent.BEFORE_RULEFLOW_NODE_EXITED:
nodeEvent = (RuleFlowNodeLogEvent) logEvent;
addNodeExitLog(nodeEvent.getProcessInstanceId(), nodeEvent.getProcessId(), nodeEvent.getNodeInstanceId(), nodeEvent.getNodeId(), nodeEvent.getNodeName());
break;
default:
// ignore all other events
}
}
private void addProcessLog(long processInstanceId, String processId) {
ProcessInstanceLog log = new ProcessInstanceLog(processInstanceId, processId);
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
session.save(log);
session.getTransaction().commit();
}
private void updateProcessLog(long processInstanceId) {
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
List<ProcessInstanceLog> result = session.createQuery(
"from ProcessInstanceLog as log where log.processInstanceId = ? and log.end is null")
.setLong(0, processInstanceId).list();
if (result != null && result.size() != 0) {
ProcessInstanceLog log = result.get(result.size() - 1);
log.setEnd(new Date());
session.update(log);
}
session.getTransaction().commit();
}
private void addNodeEnterLog(long processInstanceId, String processId, String nodeInstanceId, String nodeId, String nodeName) {
NodeInstanceLog log = new NodeInstanceLog(NodeInstanceLog.TYPE_ENTER, processInstanceId, processId, nodeInstanceId, nodeId, nodeName);
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
session.save(log);
session.getTransaction().commit();
}
private void addNodeExitLog(long processInstanceId, String processId, String nodeInstanceId, String nodeId, String nodeName) {
NodeInstanceLog log = new NodeInstanceLog(NodeInstanceLog.TYPE_EXIT, processInstanceId, processId, nodeInstanceId, nodeId, nodeName);
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
session.beginTransaction();
session.save(log);
session.getTransaction().commit();
}
public void dispose() {
HibernateUtil.getSessionFactory().getCurrentSession().close();
HibernateUtil.close();
}
}