/*
* INESC-ID, Instituto de Engenharia de Sistemas e Computadores Investigação e Desevolvimento em Lisboa
* Copyright 2013 INESC-ID 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 3.0 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.container;
import org.infinispan.container.entries.CacheEntry;
import org.infinispan.container.entries.ClusteredRepeatableReadEntry;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.container.versioning.IncrementableEntryVersion;
import org.infinispan.container.versioning.VersionGenerator;
import org.infinispan.context.InvocationContext;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
/**
* // TODO: Document this
*
* @author Pedro Ruivo
* @since 4.0
*/
public class TotalOrderVersionedCommitContextEntries extends NonVersionedCommitContextEntries {
private final Log log = LogFactory.getLog(TotalOrderVersionedCommitContextEntries.class);
private VersionGenerator versionGenerator;
@Inject
public final void injectVersionGenerator(VersionGenerator versionGenerator) {
this.versionGenerator = versionGenerator;
}
@Override
protected Log getLog() {
return log;
}
@Override
protected void commitContextEntry(CacheEntry entry, InvocationContext ctx, boolean skipOwnershipCheck) {
if (ctx.isInTxScope()) {
ClusteredRepeatableReadEntry clusterMvccEntry = (ClusteredRepeatableReadEntry) entry;
EntryVersion existingVersion = clusterMvccEntry.getVersion();
EntryVersion newVersion;
if (existingVersion == null) {
newVersion = versionGenerator.generateNew();
} else {
newVersion = versionGenerator.increment((IncrementableEntryVersion) existingVersion);
}
commitEntry(entry, newVersion, skipOwnershipCheck);
} else {
// This could be a state transfer call!
commitEntry(entry, entry.getVersion(), skipOwnershipCheck);
}
}
}