/*
* 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.container.entries.versioned;
import org.infinispan.container.entries.InternalCacheEntry;
import org.infinispan.container.entries.TransientCacheValue;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.io.UnsignedNumeric;
import org.infinispan.marshall.AbstractExternalizer;
import org.infinispan.marshall.Ids;
import org.infinispan.util.Util;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Set;
/**
* A form of {@link TransientCacheValue} that is {@link Versioned}
*
* @author Manik Surtani
* @since 5.1
*/
public class VersionedTransientCacheValue extends TransientCacheValue implements Versioned {
EntryVersion version;
public VersionedTransientCacheValue(Object value, EntryVersion version, long maxIdle, long lastUsed) {
super(value, maxIdle, lastUsed);
this.version = version;
}
@Override
public InternalCacheEntry toInternalCacheEntry(Object key) {
return new VersionedTransientCacheEntry(key, this);
}
@Override
public EntryVersion getVersion() {
return version;
}
@Override
public void setVersion(EntryVersion version) {
this.version = version;
}
public static class Externalizer extends AbstractExternalizer<VersionedTransientCacheValue> {
@Override
public void writeObject(ObjectOutput output, VersionedTransientCacheValue tcv) throws IOException {
output.writeObject(tcv.value);
output.writeObject(tcv.version);
UnsignedNumeric.writeUnsignedLong(output, tcv.lastUsed);
output.writeLong(tcv.maxIdle); // could be negative so should not use unsigned longs
}
@Override
public VersionedTransientCacheValue readObject(ObjectInput input) throws IOException, ClassNotFoundException {
Object v = input.readObject();
EntryVersion version = (EntryVersion) input.readObject();
long lastUsed = UnsignedNumeric.readUnsignedLong(input);
Long maxIdle = input.readLong();
return new VersionedTransientCacheValue(v, version, maxIdle, lastUsed);
}
@Override
public Integer getId() {
return Ids.VERSIONED_TRANSIENT_VALUE;
}
@Override
public Set<Class<? extends VersionedTransientCacheValue>> getTypeClasses() {
return Util.<Class<? extends VersionedTransientCacheValue>>asSet(VersionedTransientCacheValue.class);
}
}
}