alfresco-community-repo/source/java/org/alfresco/repo/transaction/TransactionalDaoInterceptor.java
Paul Holmes-Higgin 31c250682b Changed licence headers
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5081 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-02-08 18:59:58 +00:00

64 lines
2.2 KiB
Java

/*
* Copyright (C) 2005 Alfresco, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.alfresco.repo.transaction;
import org.alfresco.error.AlfrescoRuntimeException;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.springframework.beans.factory.InitializingBean;
/**
* Utility class that ensures that a <tt>NodeDaoService</tt> has been registered
* with the current transaction.
* <p>
* It is designed to act as a <b>postInterceptor</b> on the <tt>NodeDaoService</tt>'s
* {@link org.springframework.transaction.interceptor.TransactionProxyFactoryBean}.
*
* @author Derek Hulley
*/
public class TransactionalDaoInterceptor implements MethodInterceptor, InitializingBean
{
private TransactionalDao daoService;
/**
* @param daoService the <tt>NodeDaoService</tt> to register
*/
public void setDaoService(TransactionalDao daoService)
{
this.daoService = daoService;
}
/**
* Checks that required values have been injected
*/
public void afterPropertiesSet() throws Exception
{
if (daoService == null)
{
throw new AlfrescoRuntimeException("TransactionalDao is required: " + this);
}
}
public Object invoke(MethodInvocation invocation) throws Throwable
{
AlfrescoTransactionSupport.bindDaoService(daoService);
// propogate the call
return invocation.proceed();
}
}