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/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags.
* See the copyright.txt in the distribution for a full listing
* of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
/*
* Copyright (C) 2001, 2002,
*
* Hewlett-Packard Arjuna Labs,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: OTSImpleManager.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.internal.jts;
import java.io.IOException;
import org.omg.CORBA.BAD_PARAM;
import org.omg.CORBA.SystemException;
import org.omg.CORBA.UNKNOWN;
import org.omg.CORBA.UserException;
import org.omg.CORBA.ORBPackage.InvalidName;
import org.omg.CosTransactions.TransactionFactory;
import com.arjuna.ats.arjuna.exceptions.FatalError;
import com.arjuna.ats.internal.jts.orbspecific.CurrentImple;
import com.arjuna.ats.internal.jts.orbspecific.TransactionFactoryImple;
import com.arjuna.ats.jts.common.jtsPropertyManager;
import com.arjuna.ats.jts.logging.jtsLogger;
import com.arjuna.orbportability.Services;
import com.arjuna.orbportability.common.opPropertyManager;
/**
* This class is responsible for managing the various implementations that are
* common throughout the transaction service stack, e.g., CurrentImple and
* TransactionFactoryImple. Applications should not use this class directly, but
* should instead go via com.arjuna.ats.jts.OTSManager which gives a purely
* CORBA view of things.
*
* @author Mark Little ([email protected])
* @version $Id: OTSImpleManager.java 2342 2006-03-30 13:06:17Z $
* @since JTS 1.0.
*/
public class OTSImpleManager
{
/**
* @return the Current object implementation. This has the advantage of not
* needing to register the object with the ORB, which can affect
* performance.
*/
public static CurrentImple current () throws org.omg.CORBA.SystemException
{
init();
_current.contextManager().associate();
return OTSImpleManager._current;
}
/**
* @return the Current object implementation. This has the advantage of not
* needing to register the object with the ORB, which can affect
* performance.
*/
public static CurrentImple systemCurrent ()
throws org.omg.CORBA.SystemException
{
init();
return OTSImpleManager._current;
}
/**
* @return the Current object.
*/
public static org.omg.CosTransactions.Current get_current ()
throws org.omg.CORBA.SystemException
{
init();
_current.contextManager().associate();
return OTSImpleManager._currentRef;
}
/**
* @return the TransactionFactory object implementation. This has the
* advantage of not needing to register the object withm the ORB,
* which can affect performance.
*/
public static TransactionFactoryImple factory ()
throws org.omg.CORBA.SystemException
{
init();
return _theFactory;
}
/**
* @return the TransactionFactory object.
*/
public static TransactionFactory get_factory ()
throws org.omg.CORBA.SystemException
{
init();
if (_theFactoryRef == null)
{
try
{
_theFactoryRef = _theFactory.getReference();
}
catch (Exception e)
{
throw new UNKNOWN();
}
}
return _theFactoryRef;
}
/**
* Is a co-located TransactionFactory required?
*/
public static boolean localFactory ()
{
init();
return (_theFactory != null);
}
/**
* Tidy-up the system prior to exiting.
*/
public static void purge ()
{
if (OTSImpleManager._currentRef != null)
{
OTSImpleManager._currentRef = null;
OTSImpleManager._current = null;
}
if (OTSImpleManager._theFactoryRef != null)
{
ORBManager.getPOA().shutdownObject(OTSImpleManager._theFactory);
OTSImpleManager._theFactory = null;
}
}
private static final synchronized void init ()
{
if (_current == null)
{
if (OTSImpleManager._theFactory == null)
{
/*
* Only check once, when the factory is first created.
*/
int resolver = Services.CONFIGURATION_FILE;
boolean requireTransactionManager = false;
if (jtsPropertyManager.getJTSEnvironmentBean().isTransactionManager())
{
requireTransactionManager = true;
String resolveMechanism = opPropertyManager.getOrbPortabilityEnvironmentBean().getResolveService();
if (resolveMechanism.compareTo("NAME_SERVICE") == 0)
resolver = Services.NAME_SERVICE;
else
{
if (resolveMechanism.compareTo("BIND_CONNECT") == 0)
resolver = Services.BIND_CONNECT;
}
}
if (requireTransactionManager)
{
try
{
if (resolver != Services.BIND_CONNECT)
{
String[] params = new String[1];
params[0] = Services.otsKind;
org.omg.CORBA.Object obj = ORBManager.getServices().getService(Services.transactionService, params, resolver);
params = null;
OTSImpleManager._theFactoryRef = org.omg.CosTransactions.TransactionFactoryHelper.narrow(obj);
}
else
{
}
if (OTSImpleManager._theFactoryRef == null)
throw new BAD_PARAM();
}
catch (InvalidName e1) {
jtsLogger.i18NLogger.warn_otsserverfailed(e1);
throw new FatalError(
e1.toString(), e1);
}
catch (BAD_PARAM ex1) {
jtsLogger.i18NLogger.warn_otsserverfailed(ex1);
throw new FatalError(
ex1.toString(), ex1);
}
catch (IOException e2) {
jtsLogger.i18NLogger.warn_otsservererror(e2);
throw new FatalError(
e2.toString(), e2);
}
catch (SystemException e3) {
jtsLogger.i18NLogger.warn_otsservererror(e3);
throw new FatalError(
e3.toString(), e3);
}
catch (UserException e4) {
jtsLogger.i18NLogger.warn_otsservererror(e4);
throw new FatalError(
e4.toString(), e4);
}
}
else
{
/* force to be local */
OTSImpleManager._theFactory = new TransactionFactoryImple();
}
}
if (OTSImpleManager._current == null)
{
try
{
OTSImpleManager._current = new CurrentImple();
OTSImpleManager._currentRef = OTSImpleManager._current;
}
catch (Exception e)
{
OTSImpleManager._current = null;
throw new com.arjuna.ats.arjuna.exceptions.FatalError(
"OTSImpleManager.current: " + e.toString(), e);
}
}
}
}
private static TransactionFactoryImple _theFactory = null;
private static TransactionFactory _theFactoryRef = null;
private static CurrentImple _current = null;
private static org.omg.CosTransactions.Current _currentRef = null;
static
{
ORBManager.getPOA().addPreShutdown(new com.arjuna.ats.internal.jts.lifecycle.ShutdownOTS());
if (!com.arjuna.ats.internal.jts.Implementations.added())
com.arjuna.ats.internal.jts.Implementations.initialise();
}
}
