/*
* 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) 1998, 1999, 2000, 2001, 2002
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: RootOA.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.orbportability;
import org.omg.CORBA.OBJECT_NOT_EXIST;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
import org.omg.CORBA.SystemException;
import com.arjuna.orbportability.oa.PreShutdown;
import com.arjuna.orbportability.oa.PostShutdown;
import com.arjuna.orbportability.event.EventManager;
import com.arjuna.orbportability.logging.*;
import com.arjuna.common.util.logging.DebugLevel;
import com.arjuna.common.util.logging.VisibilityLevel;
import java.util.Enumeration;
/**
* RootOA class which represents a RootPOA
*
* @author Richard Begg (richard_begg@hp.com)
*/
public class RootOA extends OA
{
/**
* Creates a RootOA class which represents the RootOA of the given ORB
*
* @param The ORB to create a root OA for
*/
RootOA (com.arjuna.orbportability.ORB orb)
{
super(orb,DEFAULT_ROOT_NAME);
}
/**
* Destroy this root POA and all of its children
*/
public synchronized void destroy () throws SystemException
{
if (opLogger.logger.isDebugEnabled())
{
opLogger.logger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
FacilityCode.FAC_ORB_PORTABILITY, "OA::destroyRootPOA ()");
}
if (_oa.initialised())
{
if (!_preOAShutdown.isEmpty())
{
Enumeration elements = _preOAShutdown.elements();
while (elements.hasMoreElements())
{
PreShutdown c = (PreShutdown) elements.nextElement();
if (c != null)
{
c.work();
c = null;
}
}
// _preOAShutdown.clear();
}
_oa.destroyRootPOA();
if (!_postOAShutdown.isEmpty())
{
Enumeration elements = _postOAShutdown.elements();
while (elements.hasMoreElements())
{
PostShutdown c = (PostShutdown) elements.nextElement();
if (c != null)
{
c.work();
c = null;
}
}
// _postOAShutdown.clear();
}
}
}
public org.omg.CORBA.Object corbaReference (Servant obj)
{
org.omg.CORBA.Object objRef = null;
try
{
objRef = corbaReference(obj, _oa.rootPoa());
}
catch (Exception e)
{
objRef = null;
}
return objRef;
}
public boolean objectIsReady (Servant obj, byte[] id) throws SystemException
{
if (opLogger.logger.isDebugEnabled())
{
opLogger.logger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
FacilityCode.FAC_ORB_PORTABILITY, "RootOA::objectIsReady (Servant, byte[], "+_oaName+")");
}
try
{
_oa.rootPoa().activate_object_with_id(id, obj);
}
catch (Exception e)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn("com.arjuna.orbportability.OA.exceptioncaughtforobj", new Object[] { "objectIsReady", obj, e.toString() });
}
return false;
}
return true;
}
public boolean objectIsReady (Servant obj) throws SystemException
{
if (opLogger.logger.isDebugEnabled())
{
opLogger.logger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
FacilityCode.FAC_ORB_PORTABILITY, "RootOA::objectIsReady (Servant)");
}
boolean result = true;
try
{
boolean invalidPOA = false;
if (_oa.initialised())
{
_oa.rootPoa().activate_object(obj);
}
else
invalidPOA = true;
if (invalidPOA)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn( "com.arjuna.orbportability.OA.invalidpoa" , new Object[] { "objectIsReady", "rootPOA" });
}
result = false;
}
//??
EventManager.getManager().connected(corbaReference(obj));
}
catch (Exception e)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn ( "com.arjuna.orbportability.OA.exceptioncaughtforobj", new Object[] { "objectIsReady", obj, e.toString() });
}
result = false;
}
return result;
}
public boolean shutdownObject (org.omg.CORBA.Object obj)
{
if (opLogger.logger.isDebugEnabled())
{
opLogger.logger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
FacilityCode.FAC_ORB_PORTABILITY, "RootOA::shutdownObject ()");
}
boolean result = true;
try
{
EventManager.getManager().disconnected(obj);
boolean invalidPOA = false;
if (_oa.initialised())
_oa.rootPoa().deactivate_object(_oa.rootPoa().reference_to_id(obj));
else
invalidPOA = true;
if (invalidPOA)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn( "com.arjuna.orbportability.OA.invalidpoa" , new Object[] { "objectIsReady", "rootPOA" });
}
result = false;
}
}
catch (Exception e)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn( "com.arjuna.orbportability.OA.caughtexception" , new Object[] { "objectIsReady", e.toString() });
}
result = false;
}
return result;
}
public boolean shutdownObject (Servant obj)
{
if (opLogger.logger.isDebugEnabled())
{
opLogger.logger.debug(DebugLevel.FUNCTIONS, VisibilityLevel.VIS_PUBLIC,
FacilityCode.FAC_ORB_PORTABILITY, "RootOA::shutdownObject (Servant)");
}
boolean result = true;
try
{
boolean invalidPOA = false;
if (_oa.initialised())
_oa.rootPoa().deactivate_object(_oa.rootPoa().servant_to_id(obj));
else
invalidPOA = true;
if (invalidPOA)
{
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn( "com.arjuna.orbportability.OA.invalidpoa" , new Object[] { "shutdownObject", "rootPOA" });
}
result = false;
}
}
catch (NullPointerException ex)
{
/*
* Ignore this as it means some other thread/process was sharing
* the POA and shut it down itself.
*/
}
catch (Exception e)
{
if(e instanceof OBJECT_NOT_EXIST) {
// ignore - probably something else shut down the POA already
} else {
if (opLogger.loggerI18N.isWarnEnabled())
{
opLogger.loggerI18N.warn( "com.arjuna.orbportability.OA.caughtexception" , new Object[] { "shutdownObject", e.toString() });
}
}
result = false;
}
return result;
}
public static final String DEFAULT_ROOT_NAME = "RootPOA";
}