Java tutorial
/* * 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.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.ode.dao.bpel.MessageDAO; import org.apache.ode.dao.bpel.MessageExchangeDAO; import org.apache.ode.utils.DOMUtils; import org.w3c.dom.Element; 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.Lob; import javax.persistence.ManyToOne; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.Table; import javax.persistence.Transient; import javax.xml.namespace.QName; @Entity @Table(name = "BPEL_MESSAGE") @NamedQueries({ @NamedQuery(name = MessageDAOImpl.DELETE_MESSAGES_BY_MEXIDS, query = "delete from MessageDAOImpl as m where m._messageExchange._id in (:mexIds)") }) public class MessageDAOImpl implements MessageDAO { private static Log __log = LogFactory.getLog(MessageDAOImpl.class); public final static String DELETE_MESSAGES_BY_MEXIDS = "DELETE_MESSAGES_BY_MEXIDS"; @Id @Column(name = "MESSAGE_ID") @GeneratedValue(strategy = GenerationType.AUTO) private Long _id; @Basic @Column(name = "TYPE") private String _type; @Lob @Column(name = "DATA") private String _data; @Lob @Column(name = "HEADER") private String _header; @ManyToOne(fetch = FetchType.LAZY, cascade = { CascadeType.ALL }) @JoinColumn(name = "MESSAGE_EXCHANGE_ID") private MessageExchangeDAOImpl _messageExchange; public MessageDAOImpl() { } public MessageDAOImpl(QName type, MessageExchangeDAOImpl me) { _type = type.toString(); _messageExchange = me; } public Element getData() { if (__log.isDebugEnabled()) { __log.debug("getData " + _id + " " + _data); } try { return _data == null ? null : DOMUtils.stringToDOM(_data); } catch (Exception e) { throw new RuntimeException(e); } } public void setData(Element value) { if (value == null) { if (__log.isDebugEnabled()) { __log.debug("setData " + _id + " null"); } return; } _data = DOMUtils.domToString(value); if (__log.isDebugEnabled()) { __log.debug("setData " + _id + " " + _data); } } public Element getHeader() { try { return _header == null ? null : DOMUtils.stringToDOM(_header); } catch (Exception e) { throw new RuntimeException(e); } } public void setHeader(Element value) { if (value == null) return; _header = DOMUtils.domToString(value); } public MessageExchangeDAO getMessageExchange() { return _messageExchange; } public QName getType() { return _type == null ? null : QName.valueOf(_type); } public void setType(QName type) { _type = type.toString(); } /** * 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; } }