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* 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
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package org.apache.ode.dao.jpa;
import org.apache.ode.bpel.dao.CorrelationSetDAO;
import org.apache.ode.bpel.dao.PartnerLinkDAO;
import org.apache.ode.bpel.dao.ProcessInstanceDAO;
import org.apache.ode.bpel.dao.ScopeDAO;
import org.apache.ode.bpel.dao.ScopeStateEnum;
import org.apache.ode.bpel.dao.XmlDataDAO;
import org.apache.ode.bpel.evt.BpelEvent;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Query;
import javax.persistence.Table;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
@Entity
@Table(name="ODE_SCOPE")
@NamedQueries({
@NamedQuery(name="ScopeEvents", query="SELECT se FROM EventDAOImpl as se WHERE se._scopeId = :sid"),
@NamedQuery(name=ScopeDAOImpl.SELECT_SCOPE_IDS_BY_PROCESS, query="select s._scopeInstanceId from ScopeDAOImpl as s where s._processInstance._process = :process"),
@NamedQuery(name=ScopeDAOImpl.SELECT_SCOPE_IDS_BY_INSTANCE, query="select s._scopeInstanceId from ScopeDAOImpl as s where s._processInstance = :instance"),
@NamedQuery(name=ScopeDAOImpl.DELETE_SCOPES_BY_SCOPE_IDS, query="delete from ScopeDAOImpl as s where s._scopeInstanceId in(:ids)")
})
public class ScopeDAOImpl extends OpenJPADAO implements ScopeDAO {
public final static String SELECT_SCOPE_IDS_BY_PROCESS = "SELECT_SCOPE_IDS_BY_PROCESS";
public final static String SELECT_SCOPE_IDS_BY_INSTANCE = "SELECT_SCOPE_IDS_BY_INSTANCE";
public final static String DELETE_SCOPES_BY_SCOPE_IDS = "DELETE_SCOPES_BY_SCOPE_IDS";
@Id @Column(name="SCOPE_ID")
@GeneratedValue(strategy= GenerationType.AUTO)
private Long _scopeInstanceId;
@Basic @Column(name="MODEL_ID")
private int _modelId;
@Basic @Column(name="SCOPE_NAME")
private String _name;
@Basic @Column(name="SCOPE_STATE")
private String _scopeState;
@ManyToOne(fetch=FetchType.LAZY,cascade={CascadeType.PERSIST})
@Column(name="PARENT_SCOPE_ID")
private ScopeDAOImpl _parentScope;
@OneToMany(targetEntity=ScopeDAOImpl.class,mappedBy="_parentScope",fetch=FetchType.LAZY,cascade={CascadeType.ALL})
private Collection<ScopeDAO> _childScopes = new ArrayList<ScopeDAO>();
@OneToMany(targetEntity=CorrelationSetDAOImpl.class,mappedBy="_scope",fetch=FetchType.LAZY,cascade={CascadeType.ALL})
private Collection<CorrelationSetDAO> _correlationSets = new ArrayList<CorrelationSetDAO>();
@OneToMany(targetEntity=PartnerLinkDAOImpl.class,mappedBy="_scope",fetch= FetchType.LAZY,cascade={CascadeType.MERGE, CascadeType.REFRESH, CascadeType.PERSIST})
private Collection<PartnerLinkDAO> _partnerLinks = new ArrayList<PartnerLinkDAO>();
@OneToMany(targetEntity=XmlDataDAOImpl.class,mappedBy="_scope",fetch=FetchType.LAZY,cascade={CascadeType.MERGE, CascadeType.REFRESH, CascadeType.PERSIST})
private Collection<XmlDataDAO> _variables = new ArrayList<XmlDataDAO>();
@ManyToOne(fetch=FetchType.LAZY,cascade={CascadeType.PERSIST}) @Column(name="PROCESS_INSTANCE_ID")
private ProcessInstanceDAOImpl _processInstance;
public ScopeDAOImpl() {}
public ScopeDAOImpl(ScopeDAOImpl parentScope, String name, int scopeModelId, ProcessInstanceDAOImpl pi) {
_parentScope = parentScope;
_name = name;
_modelId = scopeModelId;
_processInstance = pi;
}
public PartnerLinkDAO createPartnerLink(int plinkModelId, String pLinkName,
String myRole, String partnerRole) {
PartnerLinkDAOImpl pl = new PartnerLinkDAOImpl(plinkModelId, pLinkName, myRole, partnerRole);
pl.setScope(this);
_partnerLinks.add(pl);
return pl;
}
public Collection<ScopeDAO> getChildScopes() {
return _childScopes;
}
public CorrelationSetDAO getCorrelationSet(String corrSetName) {
CorrelationSetDAO ret = null;
for (CorrelationSetDAO csElement : _correlationSets) {
if ( csElement.getName().equals(corrSetName)) ret = csElement;
}
if ( ret == null ) {
// Apparently the caller knows there should be a correlation set
// in here. Create a new set if one does not exist.
// Not sure I understand this implied object creation and why
// an explicit create pattern isn't used ( i.e. similar to
// PartnerLink creation )
ret = new CorrelationSetDAOImpl(this,corrSetName);
// Persist the new correlation set to generate an ID
getEM().persist(ret);
_correlationSets.add(ret);
}
return ret;
}
public Collection<CorrelationSetDAO> getCorrelationSets() {
return _correlationSets;
}
public int getModelId() {
return _modelId;
}
public String getName() {
return _name;
}
public ScopeDAO getParentScope() {
return _parentScope;
}
public PartnerLinkDAO getPartnerLink(int plinkModelId) {
for (PartnerLinkDAO pLink : getPartnerLinks()) {
if (pLink.getPartnerLinkModelId() == plinkModelId) {
return pLink;
}
}
return null;
}
public Collection<PartnerLinkDAO> getPartnerLinks() {
return _partnerLinks;
}
public ProcessInstanceDAO getProcessInstance() {
return _processInstance;
}
public Long getScopeInstanceId() {
return _scopeInstanceId;
}
public ScopeStateEnum getState() {
return new ScopeStateEnum(_scopeState);
}
public XmlDataDAO getVariable(String varName) {
XmlDataDAO ret = null;
for (XmlDataDAO xmlElement : _variables) {
if ( xmlElement.getName().equals(varName)) return xmlElement;
}
ret = new XmlDataDAOImpl(this,varName);
_variables.add(ret);
return ret;
}
public Collection<XmlDataDAO> getVariables() {
return _variables;
}
public List<BpelEvent> listEvents() {
List<BpelEvent> result = new ArrayList<BpelEvent>();
Query qry = getEM().createNamedQuery("ScopeEvents");
qry.setParameter("sid", _scopeInstanceId);
for (Object eventDao : qry.getResultList()) {
result.add(((EventDAOImpl)eventDao).getEvent());
}
return result;
}
public void setState(ScopeStateEnum state) {
_scopeState = state.toString();
}
}