/*
* 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) 1998, 1999, 2000, 2001,
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: AtomicObjectLog.java 2342 2006-03-30 13:06:17Z $
*/
package com.hp.mwtests.ts.txoj.common.resources;
import com.arjuna.ats.arjuna.*;
import com.arjuna.ats.arjuna.coordinator.*;
import com.arjuna.ats.arjuna.state.*;
import com.arjuna.ats.arjuna.gandiva.*;
import com.arjuna.ats.arjuna.common.*;
import com.arjuna.ats.txoj.*;
import com.arjuna.ats.txoj.common.*;
import com.arjuna.ats.internal.arjuna.coordinator.*;
import java.io.*;
import com.hp.mwtests.ts.txoj.common.exceptions.TestException;
import java.io.IOException;
public class AtomicObjectLog extends LockManager
{
public AtomicObjectLog ()
{
this((ObjectName) null);
}
public AtomicObjectLog (ObjectName objName)
{
super(ObjectType.ANDPERSISTENT, objName);
state = 0;
act = new AppendLogTransaction();
act.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
if (act.commit() == ActionStatus.COMMITTED)
{
// System.out.println("Created persistent object " + get_uid());
}
else
System.out.println("Action.commit error.");
}
else
{
act.abort();
System.out.println("setlock error.");
}
String debug = System.getProperty("DEBUG", null);
if (debug != null)
printDebug = true;
}
public AtomicObjectLog (Uid u)
{
this(u, (ObjectName) null);
}
public AtomicObjectLog (Uid u, ObjectName objName)
{
super(u, objName);
state = -1;
AtomicAction A = new AtomicAction();
A.begin();
if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
{
System.out.println("Recreated object "+u);
A.commit();
}
else
{
System.out.println("Error recreating object "+u);
A.abort();
}
String debug = System.getProperty("DEBUG", null);
if (debug != null)
printDebug = true;
}
public void finalize () throws Throwable
{
super.terminate();
super.finalize();
}
public AppendLogTransaction getTransaction ()
{
return (AppendLogTransaction) act;
}
public void incr (int value) throws TestException
{
AtomicAction A = new AtomicAction();
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
state += value;
if (A.commit() != ActionStatus.COMMITTED)
throw new TestException("Action commit error.");
else
return;
}
else
{
if (printDebug)
System.out.println("Error - could not set write lock.");
}
A.abort();
throw new TestException("Write lock error.");
}
public void set (int value) throws TestException
{
AtomicAction A = new AtomicAction();
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
state = value;
if (A.commit() != ActionStatus.COMMITTED)
throw new TestException("Action commit error.");
else
return;
}
else
{
if (printDebug)
System.out.println("Error - could not set write lock.");
}
A.abort();
throw new TestException("Write lock error.");
}
public int get () throws TestException
{
AtomicAction A = new AtomicAction();
int value = -1;
A.begin();
if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
{
value = state;
if (A.commit() == ActionStatus.COMMITTED)
return value;
else
throw new TestException("Action commit error.");
}
else
{
if (printDebug)
System.out.println("Error - could not set read lock.");
}
A.abort();
throw new TestException("Read lock error.");
}
public boolean save_state (OutputObjectState os, int ot)
{
boolean result = super.save_state(os, ot);
if (!result)
return false;
try
{
os.packInt(state);
}
catch (IOException e)
{
result = false;
}
return result;
}
public boolean restore_state (InputObjectState os, int ot)
{
boolean result = super.restore_state(os, ot);
if (!result)
return false;
try
{
state = os.unpackInt();
}
catch (IOException e)
{
result = false;
}
return result;
}
public String type ()
{
return "/StateManager/LockManager/AtomicObjectLog";
}
private int state;
private boolean printDebug;
private AtomicAction act;
};