79 lines
2.5 KiB
Java
79 lines
2.5 KiB
Java
/*
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* Copyright 2004-2007 IDCA. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and
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* the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
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* and the following disclaimer in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY IDCA AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IDCA OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those of the authors and
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* should not be interpreted as representing official policies, either expressed or implied, of IDCA.
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*/
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package com.idcanet.vasc.backends.jpa;
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import javax.persistence.EntityManager;
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import com.idcanet.vasc.core.AbstractVascBackend;
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/**
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*
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* @author Willem Cazander
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* @version 1.0 Mar 21, 2007
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*/
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abstract public class AbstractPersistenceVascBackend extends AbstractVascBackend {
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/**
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* Provides a hibernate session which is closed !! when transaction is compleeted.
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* @return
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*/
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abstract EntityManager getEntityManager();
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public void persist(Object object) throws Exception {
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EntityManager s = getEntityManager();
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try {
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s.persist(object);
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} finally {
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if (s!=null) {
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s.close();
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}
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}
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}
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public Object merge(Object object) throws Exception {
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EntityManager s = getEntityManager();
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try {
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return s.merge(object);
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} finally {
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if (s!=null) {
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s.close();
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}
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}
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}
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public void delete(Object object) throws Exception {
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EntityManager s = getEntityManager();
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try {
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Object newObject = s.merge(object);
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s.remove(newObject);
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} finally {
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if (s!=null) {
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s.close();
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}
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}
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}
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} |