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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Sam
*/
package com.caucho.config.types;
import com.caucho.config.ConfigException;
import com.caucho.naming.Jndi;
import com.caucho.naming.ObjectProxy;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
import com.caucho.vfs.Vfs;
import javax.annotation.PostConstruct;
import javax.naming.*;
import javax.persistence.*;
import java.util.Hashtable;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Configuration for the persistence-unit-ref.
*/
public class PersistenceUnitRef implements ObjectProxy {
private static final L10N L = new L10N(EjbRef.class);
private static final Logger log
= Logger.getLogger(EjbRef.class.getName());
private String _location = "";
private String _persistenceUnitRefName;
private String _persistenceUnitName;
private String _mappedName;
// XXX: missing inject stuff, too
private EntityManagerFactory _emf;
public PersistenceUnitRef()
{
}
public void setConfigLocation(String location)
{
_location = location;
}
protected String getTagName()
{
return "";
}
public void setId(String id)
{
}
public void setDescription(String description)
{
}
public void setDisplayName(String displayName)
{
}
/**
* Sets the name to use in the local jndi context.
* This is the jndi lookup name that code uses to obtain the home for
* the bean when doing a jndi lookup.
*
*
* persistence/Gryffindor
* ...
* (new InitialContext()).lookup("java:comp/env/ejb/Gryffindor");
*
*/
public void setPersistenceUnitRefName(String name)
{
_persistenceUnitRefName = name;
}
/**
* Returns the name.
*/
public String getPersistenceUnitRefName()
{
return _persistenceUnitRefName;
}
/**
* Sets the name from the persistence.xml
*/
public void setPersistenceUnitName(String name)
{
_persistenceUnitName = name;
}
/**
* Returns the name.
*/
public String getPersistenceUnitName()
{
return _persistenceUnitName;
}
/**
* Sets the mapped-name
*/
// (XXX: not needed?)
public void setMappedName(String name)
{
_mappedName = name;
}
/**
* Returns the name.
*/
public String getMappedName()
{
return _mappedName;
}
@PostConstruct
public void init()
throws Exception
{
if (_persistenceUnitRefName == null)
return;
// jpa/0s2m
if (_persistenceUnitName == null)
_persistenceUnitName = "default";
if (log.isLoggable(Level.FINER))
log.finer(L.l("adding persistence unit ref: {0}", _persistenceUnitRefName));
String fullJndiName = Jndi.getFullName(_persistenceUnitRefName);
try {
Object oldValue = new InitialContext().lookup(fullJndiName);
if (oldValue != null) {
if (log.isLoggable(Level.FINER))
log.finer(L.l("persistence unit ref {0} exists. returning.", _persistenceUnitRefName));
return;
}
} catch (NamingException e) {
}
if (log.isLoggable(Level.FINER))
log.finer(L.l("look up persistence unit {0}", _persistenceUnitName));
// XXX: TCK, ejb30/persistence/ee/packaging/web/standalone, needs a test case.
/*
try {
Object obj = new InitialContext().lookup(AmberContainer.getPersistenceUnitJndiPrefix()
+ _persistenceUnitName);
if (log.isLoggable(Level.FINER))
log.finer(L.l("binding persistence-unit-ref {0} to persistence unit {1}",
_persistenceUnitRefName,
_persistenceUnitName));
Jndi.rebindDeep(fullJndiName, obj);
} catch (NamingException e) {
if (log.isLoggable(Level.FINER))
log.log(Level.FINER, e.toString(), e);
}
*/
}
/**
* Creates the object from the proxy.
*
* @return the object named by the proxy.
*/
public Object createObject(Hashtable env)
throws NamingException
{
if (_emf == null) {
_emf = Persistence.createEntityManagerFactory(_persistenceUnitName);
if (_emf == null)
log.warning(L.l(_location + "'{0}' is an unknown persistence-unit-name",
_persistenceUnitName));
}
return _emf;
}
public String toString()
{
return getClass().getSimpleName() + "[" + _persistenceUnitName + "]";
}
}