package org.jacorb.poa;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import org.omg.PortableServer.CurrentPackage.NoContext;
/**
* This class provides access to the identity of the object on which a method
* was invoked and the responsible POA for this object.
*
* @author Reimo Tiedemann
*/
public class Current
extends org.omg.PortableServer._CurrentLocalBase
{
// Thread -> vector of InvocationContext elements (Stack)
private final Map threadTable = new HashMap();
public synchronized void _addContext(Thread thread, InvocationContext c)
{
LinkedList list = (LinkedList) threadTable.get(thread);
if (list == null)
{
list = new LinkedList();
threadTable.put(thread, list);
}
list.add(c);
}
public synchronized void _removeContext(Thread thread)
{
LinkedList list = (LinkedList) threadTable.get(thread);
if (list != null)
{
list.removeLast();
if (list.isEmpty())
{
threadTable.remove(thread);
}
}
}
public byte[] get_object_id()
throws NoContext
{
return getInvocationContext().getObjectId();
}
public org.omg.CORBA.Object get_reference ()
throws NoContext
{
return get_servant()._this_object (getORB ());
}
public org.omg.PortableServer.Servant get_servant ()
throws NoContext
{
return getInvocationContext().getServant ();
}
public org.omg.PortableServer.POA get_POA ()
throws NoContext
{
return getInvocationContext().getPOA ();
}
private synchronized InvocationContext getInvocationContext()
throws NoContext
{
Thread thread = Thread.currentThread();
LinkedList list = (LinkedList) threadTable.get(thread);
if (list != null)
{
InvocationContext context = (InvocationContext) list.getLast();
if (context != null)
{
return context;
}
}
throw new NoContext();
}
protected org.omg.CORBA.ORB getORB()
throws NoContext
{
return getInvocationContext().getORB();
}
protected org.omg.PortableServer.Servant getServant()
throws NoContext
{
return getInvocationContext().getServant();
}
}