/*
 * 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.bpel;

import org.apache.ode.bpel.common.CorrelationKey;
import org.apache.ode.bpel.common.CorrelationKeySet;
import org.apache.ode.dao.bpel.MessageRouteDAO;
import org.apache.ode.dao.bpel.ProcessInstanceDAO;

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.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;

@Entity
@Table(name="BPEL_MESSAGE_ROUTE")
@NamedQueries ({
	@NamedQuery(name=MessageRouteDAOImpl.DELETE_MESSAGE_ROUTES_BY_INSTANCE_IDS, query="delete from MessageRouteDAOImpl as r where r._instanceId in(:instanceIds)"),
	@NamedQuery(name=MessageRouteDAOImpl.DELETE_MESSAGE_ROUTES_BY_INSTANCE, query="delete from MessageRouteDAOImpl as r where r._processInst = :instance")
})
public class MessageRouteDAOImpl implements MessageRouteDAO {
	public final static String DELETE_MESSAGE_ROUTES_BY_INSTANCE = "DELETE_MESSAGE_ROUTES_BY_INSTANCE";
	public final static String DELETE_MESSAGE_ROUTES_BY_INSTANCE_IDS = "DELETE_MESSAGE_ROUTES_BY_INSTANCE_IDS";
	
	@Id @Column(name="MESSAGE_ROUTE_ID") 
	@GeneratedValue(strategy=GenerationType.AUTO)
	private Long _id;
	@Basic @Column(name="GROUP_ID")
    private String _groupId;
	@Basic @Column(name="ROUTE_INDEX")
    private int _index;
	@Basic @Column(name="CORRELATION_KEY")
    private String _correlationKey;
	@Basic @Column(name="ROUTE_POLICY", length=16)
    private String _routePolicy;	

	@SuppressWarnings("unused")
	@Basic @Column(name="PROCESS_INSTANCE_ID", insertable=false, updatable=false, nullable=true)
    private Long _instanceId;
    @ManyToOne(fetch=FetchType.LAZY,cascade={CascadeType.PERSIST}) @JoinColumn(name="PROCESS_INSTANCE_ID")
    private ProcessInstanceDAOImpl _processInst;
    
    @ManyToOne(fetch= FetchType.LAZY,cascade={CascadeType.PERSIST}) @JoinColumn(name="CORR_ID")
    @SuppressWarnings("unused")
    private CorrelatorDAOImpl _correlator;

    public MessageRouteDAOImpl() {}
	public MessageRouteDAOImpl(CorrelationKeySet keySet, String groupId, int index,
                               ProcessInstanceDAOImpl processInst, CorrelatorDAOImpl correlator, String routePolicy) {
		_correlationKey = keySet.toCanonicalString();
		_groupId = groupId;
		_index = index;
		_processInst = processInst;
        _correlator = correlator;
        _routePolicy = routePolicy;
    }

	public CorrelationKey getCorrelationKey() {
		return new CorrelationKey(_correlationKey);
	}
    
    public void setCorrelationKey(CorrelationKey key) {
        _correlationKey = key.toCanonicalString();
    }

	public String getGroupId() {
		return _groupId;
	}

	public int getIndex() {
		return _index;
	}

	public ProcessInstanceDAO getTargetInstance() {
		return _processInst;
	}
	
	public String getRoute() {
		return _routePolicy;
	}
	
	public CorrelationKeySet getCorrelationKeySet() {
		return new CorrelationKeySet(_correlationKey);
	}

    public void setCorrelationKeySet(CorrelationKeySet keySet) {
        _correlationKey = keySet.toCanonicalString();
    }
    
    public Long getId() {
    	return _id;
    }
    
    /**
     * this is only for hibernate custom sequence usage.
     */
    @Deprecated
	public Long get_id() {
		return _id;
	}
	
    /**
     * @deprecated, this is only for hibernate custom sequence usage.
     */
    @Deprecated
	public void set_id(Long id) {
		_id = id;
	}
}
