001/* 002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Florent Guillaume 016 */ 017package org.nuxeo.ecm.core.persistence; 018 019import java.sql.Connection; 020import java.sql.SQLException; 021import java.util.Properties; 022 023import javax.naming.NamingException; 024import javax.sql.DataSource; 025import org.hibernate.HibernateException; 026import org.hibernate.cfg.Environment; 027import org.hibernate.connection.ConnectionProvider; 028import org.nuxeo.runtime.datasource.DataSourceHelper; 029 030/** 031 * ConnectionProvider for Hibernate that looks up the datasource 032 * from the nuxeo's container. 033 * 034 * @since 5.7 035 */ 036public class NuxeoConnectionProvider implements ConnectionProvider { 037 038 protected DataSource ds; 039 040 @Override 041 public void configure(Properties props) { 042 String name = props.getProperty(Environment.DATASOURCE); 043 try { 044 ds = DataSourceHelper.getDataSource(name); 045 } catch (NamingException cause) { 046 throw new HibernateException("Cannot lookup datasource by name " + name, cause); 047 } 048 } 049 050 @Override 051 public Connection getConnection() throws SQLException { 052 return ds.getConnection(); 053 } 054 055 @Override 056 public void closeConnection(Connection connection) throws SQLException { 057 connection.close(); 058 } 059 060 @Override 061 public void close() throws HibernateException { 062 ds = null; 063 } 064 065 @Override 066 public boolean supportsAggressiveRelease() { 067 // don't try to close the connection after each statement 068 // (not used if connection release mode is auto) 069 return false; 070 } 071 072}