/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.ode.dao.jpa;
import org.apache.ode.bpel.common.CorrelationKey;
import org.apache.ode.bpel.dao.CorrelatorDAO;
import org.apache.ode.bpel.dao.ProcessDAO;
import org.apache.ode.bpel.dao.ProcessInstanceDAO;
import javax.persistence.*;
import javax.xml.namespace.QName;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author Matthieu Riou <mriou at apache dot org>
*/
@Entity
@Table(name="ODE_PROCESS")
@NamedQueries({
@NamedQuery(name="InstanceByCKey", query="SELECT cs._scope._processInstance " +
"FROM CorrelationSetDAOImpl as cs " +
"WHERE cs._correlationKey = :ckey"),
@NamedQuery(name="CorrelatorByKey", query="SELECT c " +
"FROM CorrelatorDAOImpl as c" +
" WHERE c._correlatorKey = :ckey AND c._process = :process")
})
public class ProcessDAOImpl extends OpenJPADAO implements ProcessDAO {
@Id @Column(name="ID")
@GeneratedValue(strategy= GenerationType.AUTO)
private Long _id;
@Basic @Column(name="PROCESS_ID")
private String _processId;
@Transient
private int _numInstances;
@Basic @Column(name="PROCESS_TYPE")
private String _processType;
@Basic @Column(name="GUID")
private String _guid;
@Basic @Column(name="VERSION")
private long _version;
@OneToMany(targetEntity=CorrelatorDAOImpl.class,mappedBy="_process",fetch=FetchType.LAZY,cascade={CascadeType.ALL})
private Collection<CorrelatorDAOImpl> _correlators = new ArrayList<CorrelatorDAOImpl>();
public ProcessDAOImpl() {}
public ProcessDAOImpl(QName pid, QName type, String guid, long version) {
_processId = pid.toString();
_processType = type.toString();
_guid = guid;
_version = version;
}
public CorrelatorDAO addCorrelator(String correlator) {
CorrelatorDAOImpl corr = new CorrelatorDAOImpl(correlator, this);
_correlators.add(corr);
return corr;
}
public CorrelatorDAO getCorrelator(String correlatorId) {
Query qry = getEM().createNamedQuery("CorrelatorByKey");
qry.setParameter("ckey", correlatorId);
qry.setParameter("process", this);
List res = qry.getResultList();
if (res.size() == 0) return null;
return (CorrelatorDAO) res.get(0);
}
public ProcessInstanceDAO createInstance(
CorrelatorDAO instantiatingCorrelator) {
ProcessInstanceDAOImpl inst = new ProcessInstanceDAOImpl((CorrelatorDAOImpl)instantiatingCorrelator, this);
getEM().persist(inst);
_numInstances++;
return inst;
}
@SuppressWarnings("unchecked")
public Collection<ProcessInstanceDAO> findInstance(CorrelationKey ckey) {
Query qry = getEM().createNamedQuery("InstanceByCKey");
qry.setParameter("ckey", ckey.toCanonicalString());
return qry.getResultList();
}
public ProcessInstanceDAO getInstance(Long iid) {
return getEM().find(ProcessInstanceDAOImpl.class, iid);
}
public QName getProcessId() {
return QName.valueOf(_processId);
}
public QName getType() {
return QName.valueOf(_processType);
}
public void delete() {
getEM().remove(this);
}
public int getNumInstances() {
return _numInstances;
}
public long getVersion() {
return _version;
}
public void instanceCompleted(ProcessInstanceDAO instance) {
// nothing to do here (yet?)
}
public void removeRoutes(String routeId, ProcessInstanceDAO target) {
for (CorrelatorDAO c : _correlators) {
((CorrelatorDAOImpl)c).removeLocalRoutes(routeId, target);
}
}
public String getGuid() {
return _guid;
}
}