/*
* 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: Helper.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.internal.jts.utils;
import com.arjuna.orbportability.*;
import com.arjuna.ats.arjuna.common.Uid;
import com.arjuna.ats.arjuna.coordinator.BasicAction;
import com.arjuna.ats.arjuna.coordinator.ActionManager;
import com.arjuna.ats.internal.jts.orbspecific.interposition.ServerControl;
import com.arjuna.ats.internal.jts.orbspecific.ControlImple;
import org.omg.CosTransactions.*;
import com.arjuna.ArjunaOTS.*;
import java.io.PrintStream;
import org.omg.CORBA.CompletionStatus;
import org.omg.CosTransactions.Unavailable;
import org.omg.CORBA.BAD_PARAM;
import org.omg.CORBA.NO_MEMORY;
import org.omg.CORBA.SystemException;
public class Helper
{
/**
* Given a Control_ptr determine if this is a reference to a local
* action, and if so return the raw BasicAction pointer.
*/
public static final BasicAction localAction (org.omg.CosTransactions.Control control)
{
if (control == null)
return null;
if (control instanceof ControlImple)
{
try
{
ControlImple c = (ControlImple) control;
return (BasicAction) c.getImplHandle();
}
catch (Exception e)
{
}
}
/*
* Can we not use is_local within visibroker?
*/
try
{
UidCoordinator coord = Helper.getUidCoordinator(control);
if (coord != null)
{
Uid u = Helper.getUid(coord);
coord = null;
return ActionManager.manager().get(u);
}
else
throw new BAD_PARAM();
}
catch (Exception e)
{
/*
* Can't be an Arjuna action, so ignore.
*/
}
return null;
}
public static final ControlImple localControl (org.omg.CosTransactions.Control control)
{
if (control == null)
return null;
if (control instanceof ControlImple)
return (ControlImple) control;
try
{
UidCoordinator uidCoord = Helper.getUidCoordinator(control);
if (uidCoord != null)
{
Uid u = Helper.getUid(uidCoord);
ControlImple toReturn = null;
uidCoord = null;
/*
* allControls only contains local controls.
*/
if (ControlImple.allControls != null)
{
synchronized (ControlImple.allControls)
{
toReturn = (ControlImple) ControlImple.allControls.get(u);
}
}
if (toReturn == null)
{
if (ServerControl.allServerControls != null)
{
synchronized (ServerControl.allServerControls)
{
toReturn = (ControlImple) ServerControl.allServerControls.get(u);
}
}
}
u = null;
return toReturn;
}
else
throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
}
catch (Exception e)
{
/*
* Can't be an Arjuna action, so ignore.
*/
}
return null;
}
public static final UidCoordinator getUidCoordinator (org.omg.CosTransactions.Control control)
{
if (control == null)
return null;
UidCoordinator toReturn = null;
try
{
Coordinator coord = control.get_coordinator();
if (coord != null)
{
toReturn = getUidCoordinator(coord);
coord = null;
}
else
throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
}
catch (Exception e)
{
/*
* Can't be an Arjuna action, so ignore.
*/
toReturn = null;
}
return toReturn;
}
public static final UidCoordinator getUidCoordinator (Coordinator coord)
{
if (coord == null)
return null;
UidCoordinator toReturn = null;
try
{
toReturn = com.arjuna.ArjunaOTS.UidCoordinatorHelper.narrow(coord);
if (toReturn == null)
throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
}
catch (Exception e)
{
/*
* Can't be an Arjuna action, so ignore.
*/
toReturn = null;
}
return toReturn;
}
public static final boolean isUidCoordinator (Coordinator ref)
{
UidCoordinator ptr = getUidCoordinator(ref);
return ((ptr == null) ? false : true);
}
public static final Uid getUid (UidCoordinator coord)
{
if (coord == null)
return Uid.nullUid();
String theUid = null;
Uid uid = null;
/*
* Try twice, and if this still fails then
* throw NO_MEMORY.
*/
for (int i = 0; i < 1; i++)
{
try
{
theUid = coord.uid();
uid = new Uid(theUid);
theUid = null;
return uid;
}
catch (OutOfMemoryError e)
{
System.gc();
}
}
throw new NO_MEMORY(0, CompletionStatus.COMPLETED_NO);
}
}