/*
* 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 General Public License, v. 2.0.
* 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 General Public License for more details.
* You should have received a copy of the GNU General Public License,
* v. 2.0 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,
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: HammerObject.java 2342 2006-03-30 13:06:17Z $
*/
package com.hp.mwtests.ts.jts.orbspecific.resources;
import com.arjuna.ats.arjuna.common.*;
import com.arjuna.ats.arjuna.state.*;
import com.arjuna.ats.arjuna.*;
import com.arjuna.ats.txoj.*;
import com.hp.mwtests.ts.jts.utils.Util;
import com.arjuna.ats.internal.jts.orbspecific.CurrentImple;
import com.arjuna.ats.internal.jts.orbspecific.TransactionFactoryImple;
import com.arjuna.ats.internal.jts.ORBManager;
import com.arjuna.ats.internal.jts.OTSImpleManager;
import com.arjuna.ats.jts.ExplicitInterposition;
import com.arjuna.ats.jts.extensions.*;
import com.arjuna.orbportability.*;
import org.omg.CORBA.IntHolder;
import org.omg.CosTransactions.*;
import org.omg.CosTransactions.Unavailable;
import org.omg.CORBA.SystemException;
import java.io.IOException;
public class HammerObject extends LockManager implements com.hp.mwtests.ts.jts.TestModule.HammerOperations
{
public HammerObject ()
{
super(ObjectType.ANDPERSISTENT);
CurrentImple current = OTSImpleManager.current();
_value = 0;
try
{
current.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
_value = 0;
current.commit(true);
}
else
current.rollback();
}
catch (Exception e)
{
System.err.println("HammerObject: "+e);
}
}
public HammerObject (Uid u)
{
super(u);
}
public void finalize () throws Throwable
{
super.terminate();
super.finalize();
}
public boolean incr (int value, Control control) throws SystemException
{
boolean res = false;
ExplicitInterposition inter = new ExplicitInterposition();
try
{
inter.registerTransaction(control);
}
catch (Exception e)
{
System.err.println("WARNING HammerObject.incr - could not do interposition");
return false;
}
CurrentImple current = OTSImpleManager.current();
try
{
current.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
_value = _value + value;
current.commit(true);
res = true;
}
else
current.rollback();
}
catch (Exception e)
{
System.err.println("HammerObject.incr: "+e);
res = false;
}
inter.unregisterTransaction();
return res;
}
public boolean set (int value, Control control) throws SystemException
{
boolean res = false;
ExplicitInterposition inter = new ExplicitInterposition();
try
{
inter.registerTransaction(control);
}
catch (Exception e)
{
System.err.println("WARNING HammerObject.set - could not do interposition");
return false;
}
CurrentImple current = OTSImpleManager.current();
try
{
current.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
_value = value;
current.commit(true);
res = true;
}
else
current.rollback();
}
catch (Exception e)
{
System.err.println("HammerObject.set: "+e);
res = false;
}
inter.unregisterTransaction();
return res;
}
public boolean get (IntHolder value, Control control) throws SystemException
{
boolean res = false;
ExplicitInterposition inter = new ExplicitInterposition();
try
{
inter.registerTransaction(control);
}
catch (Exception e)
{
System.err.println("WARNING HammerObject.incr - could not do interposition");
return false;
}
CurrentImple current = OTSImpleManager.current();
try
{
current.begin();
if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
{
value.value = _value;
current.commit(true);
res = true;
}
else
current.rollback();
}
catch (Exception e)
{
System.err.println("HammerObject.get: "+e);
res = false;
}
inter.unregisterTransaction();
return res;
}
public boolean save_state (OutputObjectState os, int ot)
{
if (!super.save_state(os, ot))
return false;
try
{
os.packInt(_value);
return true;
}
catch (IOException e)
{
return false;
}
}
public boolean restore_state (InputObjectState os, int ot)
{
if (!super.restore_state(os, ot))
return false;
try
{
_value = os.unpackInt();
return true;
}
catch (IOException e)
{
return false;
}
}
public String type ()
{
return "/StateManager/LockManager/HammerObject";
}
private int _value;
}