/**************************************************************************
 * TraceableLocator
 *
 * $Workfile$
 * $Revision: 1.15 $
 * $Date: 2005/10/05 07:39:37 $
 *
 * Copyright (C) 2001 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/

package com.c2kernel.entity;


import java.nio.ByteBuffer;
import java.sql.Timestamp;

import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.common.SystemKey;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.Logger;


/**************************************************************************
 *
 * @author $Author: abranson $ $Date: 2005/10/05 07:39:37 $
 * @version $Revision: 1.15 $
 **************************************************************************/
public class TraceableLocator extends org.omg.PortableServer.ServantLocatorPOA
{

   /**************************************************************************
    *
    **************************************************************************/
    public TraceableLocator()
    {
    }


   /**************************************************************************
    *
    **************************************************************************/
    @Override
	public org.omg.PortableServer.Servant preinvoke(
              byte[]                                                    oid,
              org.omg.PortableServer.POA                                poa,
              String                                                    operation,
              org.omg.PortableServer.ServantLocatorPackage.CookieHolder cookie )
    {
        ByteBuffer bb = ByteBuffer.wrap(oid);
		long msb = bb.getLong();
		long lsb = bb.getLong();
		ItemPath syskey = new ItemPath(new SystemKey(msb, lsb));

		Logger.msg(1,"===========================================================");
		Logger.msg(1,"Item called at "+new Timestamp( System.currentTimeMillis()) +": " + operation +
		               "(" + syskey + ")." );

		try {
			return Gateway.getCorbaServer().getItem(syskey);
		} catch (ObjectNotFoundException ex) {
            Logger.error("ObjectNotFoundException::TraceableLocator::preinvoke() " + ex.toString());
            throw new org.omg.CORBA.OBJECT_NOT_EXIST();
		}
    }


   /**************************************************************************
    *
    **************************************************************************/
    @Override
	public void postinvoke(
               byte[]                           oid,
               org.omg.PortableServer.POA       poa,
               String                           operation,
               java.lang.Object                 the_cookie,
               org.omg.PortableServer.Servant   the_servant )
    { }
}