/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2006 Gerald Brose
*
* 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.
*
*/
package org.jacorb.notification.lifecycle;
import org.jacorb.config.*;
import org.jacorb.notification.conf.Attributes;
import org.jacorb.notification.conf.Default;
import org.omg.PortableServer.POA;
import org.omg.PortableServer.Servant;
import org.omg.PortableServer.POAPackage.ObjectNotActive;
import org.omg.PortableServer.POAPackage.ServantNotActive;
import org.omg.PortableServer.POAPackage.WrongPolicy;
/**
* @author Alphonse Bendt
* @version $Id: ServantLifecyleControl.java,v 1.4 2009-04-25 10:08:51 andre.spiegel Exp $
*/
public class ServantLifecyleControl implements ManageableServant
{
private final IServantLifecyle delegate_;
private final boolean runGCDuringDeactivation_;
private org.omg.CORBA.Object thisRef_;
private Servant thisServant_;
public ServantLifecyleControl(IServantLifecyle delegate, Configuration config)
{
this(delegate, config.getAttribute(Attributes.RUN_SYSTEM_GC, Default.DEFAULT_RUN_SYSTEM_GC).equalsIgnoreCase("on"));
}
public ServantLifecyleControl(IServantLifecyle delegate, boolean runGCDuringDeactivation)
{
delegate_ = delegate;
runGCDuringDeactivation_ = runGCDuringDeactivation;
}
public synchronized org.omg.CORBA.Object activate()
{
if (thisRef_ == null)
{
try
{
thisRef_ = delegate_.getPOA().servant_to_reference(getServant());
}
catch (ServantNotActive e)
{
throw new RuntimeException();
}
catch (WrongPolicy e)
{
throw new RuntimeException();
}
}
return thisRef_;
}
private Servant getServant()
{
if (thisServant_ == null)
{
thisServant_ = delegate_.newServant();
}
return thisServant_;
}
public synchronized void deactivate()
{
if (thisServant_ != null)
{
final POA _poa = delegate_.getPOA();
try
{
final byte[] _oid = _poa.servant_to_id(thisServant_);
delegate_.getPOA().deactivate_object(_oid);
}
catch (WrongPolicy e)
{
throw new RuntimeException();
}
catch (ObjectNotActive e)
{
throw new RuntimeException();
}
catch (ServantNotActive e)
{
throw new RuntimeException();
}
finally
{
thisRef_ = null;
thisServant_ = null;
if (runGCDuringDeactivation_)
{
System.runFinalization();
System.gc();
}
}
}
}
}