com.arjuna.ats.txoj.lockstore.LockStore Maven / Gradle / Ivy
/*
* 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,
*
* Arjuna Solutions Limited,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK.
*
* $Id: LockStore.java 2342 2006-03-30 13:06:17Z $
*/
package com.arjuna.ats.txoj.lockstore;
import com.arjuna.ats.arjuna.common.Uid;
import com.arjuna.ats.arjuna.state.InputObjectState;
import com.arjuna.ats.arjuna.state.OutputObjectState;
import com.arjuna.ats.internal.txoj.Implementations;
import com.arjuna.ats.txoj.exceptions.LockStoreException;
/**
* The lock store interface is the application's route to using a specific lock
* store implementation. The interface dynamically binds to an implementation of
* the right type.
*
* @author Mark Little ([email protected])
* @version $Id: LockStore.java 2342 2006-03-30 13:06:17Z $
* @since JTS 1.0.
*/
public abstract class LockStore
{
public abstract InputObjectState read_state (Uid u, String tName)
throws LockStoreException;
/**
* Remove the state from the lock store.
*/
public abstract boolean remove_state (Uid u, String tname);
/**
* Write the state to the lock store.
*/
public abstract boolean write_committed (Uid u, String tName,
OutputObjectState state);
protected LockStore ()
{
}
static
{
/*
* Make sure the possible implementations are in the inventory.
* Otherwise this is going to be a very short ride!
*/
if (!Implementations.added())
Implementations.initialise();
}
}