/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
package org.infinispan.interceptors.distribution;
import org.infinispan.commands.tx.PrepareCommand;
import org.infinispan.commands.tx.VersionedPrepareCommand;
import org.infinispan.context.impl.TxInvocationContext;
import org.infinispan.remoting.responses.Response;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.xa.CacheTransaction;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.util.Collection;
import java.util.Map;
import static org.infinispan.transaction.WriteSkewHelper.readVersionsFromResponse;
import static org.infinispan.transaction.WriteSkewHelper.setVersionsSeenOnPrepareCommand;
/**
* A version of the {@link TxDistributionInterceptor} that adds logic to handling prepares when entries are versioned.
*
* @author Manik Surtani
* @since 5.1
*/
public class VersionedDistributionInterceptor extends TxDistributionInterceptor {
private static final Log log = LogFactory.getLog(VersionedDistributionInterceptor.class);
@Override
protected Log getLog() {
return log;
}
@Override
protected void prepareOnAffectedNodes(TxInvocationContext ctx, PrepareCommand command, Collection<Address> recipients, boolean ignored) {
setVersionsSeenOnPrepareCommand((VersionedPrepareCommand) command, ctx);
// Perform the RPC
Map<Address, Response> resps = rpcManager.invokeRemotely(recipients, command, true, true);
// Now store newly generated versions from lock owners for use during the commit phase.
CacheTransaction ct = ctx.getCacheTransaction();
for (Response r : resps.values()) readVersionsFromResponse(r, ct);
}
}