/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.transaction;
import org.infinispan.commands.CommandsFactory;
import org.infinispan.commands.remote.recovery.TxCompletionNotificationCommand;
import org.infinispan.config.Configuration;
import org.infinispan.interceptors.locking.ClusteringDependentLogic;
import org.infinispan.remoting.rpc.RpcManager;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.xa.CacheTransaction;
import org.infinispan.transaction.xa.GlobalTransaction;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.util.Collection;
/**
* Base class for both Sync and XAResource enlistment adapters.
*
* @author Mircea Markus
* @since 5.1
*/
public abstract class AbstractEnlistmentAdapter {
private static Log log = LogFactory.getLog(AbstractEnlistmentAdapter.class);
private final CommandsFactory commandsFactory;
private final RpcManager rpcManager;
private final TransactionTable txTable;
private final ClusteringDependentLogic clusteringLogic;
private final int hashCode;
private final Configuration config;
public AbstractEnlistmentAdapter(CacheTransaction cacheTransaction, CommandsFactory commandsFactory, RpcManager rpcManager, TransactionTable txTable, ClusteringDependentLogic clusteringLogic, Configuration configuration) {
this.commandsFactory = commandsFactory;
this.rpcManager = rpcManager;
this.txTable = txTable;
this.clusteringLogic = clusteringLogic;
this.config = configuration;
hashCode = preComputeHashCode(cacheTransaction);
}
public AbstractEnlistmentAdapter(CommandsFactory commandsFactory, RpcManager rpcManager, TransactionTable txTable, ClusteringDependentLogic clusteringLogic, Configuration configuration) {
this.commandsFactory = commandsFactory;
this.rpcManager = rpcManager;
this.txTable = txTable;
this.clusteringLogic = clusteringLogic;
this.config = configuration;
hashCode = 31;
}
protected final void releaseLocksForCompletedTransaction(LocalTransaction localTransaction) {
final GlobalTransaction gtx = localTransaction.getGlobalTransaction();
txTable.removeLocalTransaction(localTransaction);
removeTransactionInfoRemotely(localTransaction, gtx);
}
private void removeTransactionInfoRemotely(LocalTransaction localTransaction, GlobalTransaction gtx) {
if (isClustered() && !config.isSecondPhaseAsync()) {
final TxCompletionNotificationCommand command = commandsFactory.buildTxCompletionNotificationCommand(null, gtx);
final Collection<Address> owners = clusteringLogic.getOwners(localTransaction.getAffectedKeys());
log.tracef("About to invoke tx completion notification on nodes %s", owners);
rpcManager.invokeRemotely(owners, command, false);
}
}
/**
* Invoked by TransactionManagers, make sure it's an efficient implementation.
* System.identityHashCode(x) is NOT an efficient implementation.
*/
@Override
public final int hashCode() {
return this.hashCode;
}
private static int preComputeHashCode(final CacheTransaction cacheTx) {
return 31 + cacheTx.hashCode();
}
private boolean isClustered() {
return rpcManager != null;
}
}