/*
* 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: ExplicitStackImple.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.*;
import com.arjuna.ats.arjuna.state.*;
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.CosTransactions.*;
import org.omg.CORBA.IntHolder;
import org.omg.CosTransactions.Unavailable;
import org.omg.CORBA.SystemException;
import org.omg.CORBA.UserException;
import java.io.IOException;
public class ExplicitStackImple extends LockManager implements com.hp.mwtests.ts.jts.TestModule.ExplicitStackOperations
{
public ExplicitStackImple ()
{
super (ObjectType.ANDPERSISTENT);
top = 0;
for (int i = 0; i < ARRAY_SIZE; i++)
array[i] = 0;
AtomicTransaction A = new AtomicTransaction();
try
{
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
A.commit(false);
else
A.rollback();
}
catch (Exception e1)
{
System.err.println(e1);
try
{
A.rollback();
}
catch (Exception e2)
{
System.err.println(e2);
}
System.exit(1);
}
}
public ExplicitStackImple (Uid uid)
{
super(uid);
top = 0;
for (int i = 0; i < ARRAY_SIZE; i++)
array[i] = 0;
AtomicTransaction A = new AtomicTransaction();
try
{
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
A.commit(false);
else
A.rollback();
}
catch (Exception e1)
{
System.err.println(e1);
try
{
A.rollback();
}
catch (Exception e2)
{
System.err.println(e2);
}
System.exit(1);
}
}
public void finalize () throws Throwable
{
super.terminate();
super.finalize();
}
public int push (int val, Control action) throws SystemException
{
AtomicTransaction A = new AtomicTransaction();
int res = 0;
ExplicitInterposition inter = new ExplicitInterposition();
try
{
inter.registerTransaction(action);
}
catch (Exception e)
{
System.err.println("WARNING ExplicitStackImple::push - could not create interposition.");
return -1;
}
String name = OTSImpleManager.current().get_transaction_name();
System.out.println("Created push interposed transaction: "+name);
name = null;
try
{
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
if (top < ARRAY_SIZE)
{
array[top] = val;
top++;
}
else
res = -1;
if (res == 0)
{
A.commit(false);
}
else
A.rollback();
}
else
A.rollback();
}
catch (Exception e1)
{
try
{
A.rollback();
}
catch (Exception e2)
{
System.err.println(e2);
}
res = -1;
}
inter.unregisterTransaction();
return res;
}
public int pop (IntHolder val, Control action) throws SystemException
{
AtomicTransaction A = new AtomicTransaction();
int res = 0;
ExplicitInterposition inter = new ExplicitInterposition();
try
{
inter.registerTransaction(action);
}
catch (Exception e)
{
System.err.println("WARNING ExplicitStackImple::push - could not create interposition.");
return -1;
}
String name = OTSImpleManager.current().get_transaction_name();
System.out.println("Created pop interposed transaction: "+name);
name = null;
try
{
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
if (top > 0)
{
top--;
val.value = array[top];
}
else
res = -1;
if (res == 0)
{
A.commit(false);
}
else
A.rollback();
}
else
{
A.rollback();
}
}
catch (Exception e1)
{
try
{
A.rollback();
}
catch (Exception e2)
{
System.err.println(e2);
}
res = -1;
}
inter.unregisterTransaction();
return res;
}
public void printStack () throws SystemException
{
AtomicTransaction A = new AtomicTransaction();
try
{
A.begin();
if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
{
if (top > 0)
{
System.out.println("\nContents of stack:");
for (int i = 0; i < top; i++)
System.out.println("\t"+array[i]);
}
else
System.out.println("\nStack is empty.");
A.commit(false);
}
else
{
System.out.println("printStack: could not set WRITE lock.");
A.rollback();
}
}
catch (Exception e1)
{
try
{
A.rollback();
}
catch (Exception e2)
{
System.err.println(e2);
}
}
}
public boolean save_state (OutputObjectState objectState, int ot)
{
if (!super.save_state(objectState, ot))
return false;
try
{
objectState.packInt(top);
for (int i = 0; i < top; i++)
{
objectState.packInt(array[i]);
}
return true;
}
catch (IOException e)
{
return false;
}
}
public boolean restore_state (InputObjectState objectState, int ot)
{
if (!super.restore_state(objectState, ot))
return false;
try
{
top = objectState.unpackInt();
for (int j = 0; j < ARRAY_SIZE; j++)
array[j] = 0;
for (int i = 0; i < top; i++)
{
array[i] = objectState.unpackInt();
}
return true;
}
catch (IOException e)
{
return false;
}
}
public String type ()
{
return "/StateManager/LockManager/ExplicitStackImple";
}
public static final int ARRAY_SIZE = 10;
private int[] array = new int[ARRAY_SIZE];
private int top;
}