/*
* 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.versioning.gmu;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.container.versioning.InequalVersionComparisonResult;
import org.infinispan.dataplacement.ClusterSnapshot;
import org.infinispan.factories.GlobalComponentRegistry;
import org.infinispan.marshall.AbstractExternalizer;
import org.infinispan.marshall.Ids;
import org.infinispan.remoting.transport.Address;
import org.infinispan.util.Util;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Set;
/**
* // TODO: Document this
*
* @author Pedro Ruivo
* @since 5.2
*/
public class GMUReplicatedVersion extends GMUVersion {
private static final Log log = LogFactory.getLog(GMUReplicatedVersion.class);
private final long version;
public GMUReplicatedVersion(String cacheName, int viewId, GMUVersionGenerator versionGenerator, long version) {
super(cacheName, viewId, versionGenerator);
this.version = version;
}
private GMUReplicatedVersion(String cacheName, int viewId, ClusterSnapshot clusterSnapshot, long version) {
super(cacheName, viewId, clusterSnapshot);
this.version = version;
}
@Override
public long getVersionValue(Address address) {
return getThisNodeVersionValue();
}
@Override
public long getVersionValue(int addressIndex) {
return getThisNodeVersionValue();
}
@Override
public long getThisNodeVersionValue() {
return version;
}
@Override
public InequalVersionComparisonResult compareTo(EntryVersion other) {
if (other instanceof GMUReplicatedVersion) {
GMUReplicatedVersion cacheEntryVersion = (GMUReplicatedVersion) other;
InequalVersionComparisonResult versionComparisonResult = compare(this.version, cacheEntryVersion.version);
if (versionComparisonResult == InequalVersionComparisonResult.EQUAL) {
versionComparisonResult = compare(this.viewId, cacheEntryVersion.viewId);
}
if (log.isTraceEnabled()) {
log.tracef("Compare this[%s] with other[%s] => %s", this, other, versionComparisonResult);
}
return versionComparisonResult;
}
if (other instanceof GMUDistributedVersion) {
GMUDistributedVersion clusterEntryVersion = (GMUDistributedVersion) other;
InequalVersionComparisonResult versionComparisonResult = compare(this.version, clusterEntryVersion.getThisNodeVersionValue());
if (versionComparisonResult == InequalVersionComparisonResult.EQUAL) {
versionComparisonResult = compare(this.viewId, clusterEntryVersion.viewId);
}
if (log.isTraceEnabled()) {
log.tracef("Compare this[%s] with other[%s] => %s", this, other, versionComparisonResult);
}
return versionComparisonResult;
}
throw new IllegalArgumentException("Cannot compare GMU entry versions with " + (other == null ? "N/A" :
other.getClass().getSimpleName()));
}
@Override
public String toString() {
return "GMUReplicatedVersion{" +
"version=" + version +
", " + super.toString();
}
public static class Externalizer extends AbstractExternalizer<GMUReplicatedVersion> {
private final GlobalComponentRegistry globalComponentRegistry;
public Externalizer(GlobalComponentRegistry globalComponentRegistry) {
this.globalComponentRegistry = globalComponentRegistry;
}
@SuppressWarnings("unchecked")
@Override
public Set<Class<? extends GMUReplicatedVersion>> getTypeClasses() {
return Util.<Class<? extends GMUReplicatedVersion>>asSet(GMUReplicatedVersion.class);
}
@Override
public void writeObject(ObjectOutput output, GMUReplicatedVersion object) throws IOException {
output.writeUTF(object.cacheName);
output.writeInt(object.viewId);
output.writeLong(object.version);
}
@Override
public GMUReplicatedVersion readObject(ObjectInput input) throws IOException, ClassNotFoundException {
String cacheName = input.readUTF();
GMUVersionGenerator gmuVersionGenerator = getGMUVersionGenerator(globalComponentRegistry, cacheName);
int viewId = input.readInt();
ClusterSnapshot clusterSnapshot = gmuVersionGenerator.getClusterSnapshot(viewId);
if (clusterSnapshot == null) {
throw new IllegalArgumentException("View Id " + viewId + " not found in this node");
}
long version = input.readLong();
return new GMUReplicatedVersion(cacheName, viewId, clusterSnapshot, version);
}
@Override
public Integer getId() {
return Ids.GMU_REPLICATED_VERSION;
}
}
}