/*
* JBoss, Home of Professional Open Source
* Copyright 2009 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.container.entries;
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 mortal cache value, to correspond with {@link org.infinispan.container.entries.MortalCacheEntry}
*
* @author Manik Surtani
* @since 4.0
*/
public class MortalCacheValue extends ImmortalCacheValue {
long created;
long lifespan = -1;
MortalCacheValue(Object value, EntryVersion version, long created, long lifespan) {
super(value, version);
this.created = created;
this.lifespan = lifespan;
}
@Override
public final long getCreated() {
return created;
}
public final void setCreated(long created) {
this.created = created;
}
@Override
public final long getLifespan() {
return lifespan;
}
public final void setLifespan(long lifespan) {
this.lifespan = lifespan;
}
@Override
public boolean isExpired(long now) {
return ExpiryHelper.isExpiredMortal(lifespan, created, now);
}
@Override
public boolean isExpired() {
return ExpiryHelper.isExpiredMortal(lifespan, created);
}
@Override
public final boolean canExpire() {
return true;
}
@Override
public InternalCacheEntry toInternalCacheEntry(Object key) {
return new MortalCacheEntry(key, value, version, lifespan, created);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof MortalCacheValue)) return false;
if (!super.equals(o)) return false;
MortalCacheValue that = (MortalCacheValue) o;
if (created != that.created) return false;
if (lifespan != that.lifespan) return false;
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (int) (created ^ (created >>> 32));
result = 31 * result + (int) (lifespan ^ (lifespan >>> 32));
return result;
}
@Override
public String toString() {
return "MortalCacheValue{" +
"value=" + value +
", lifespan=" + lifespan +
", created=" + created +
"}";
}
@Override
public MortalCacheValue clone() {
return (MortalCacheValue) super.clone();
}
public static class Externalizer extends AbstractExternalizer<MortalCacheValue> {
@Override
public void writeObject(ObjectOutput output, MortalCacheValue mcv) throws IOException {
output.writeObject(mcv.value);
output.writeObject(mcv.version);
UnsignedNumeric.writeUnsignedLong(output, mcv.created);
output.writeLong(mcv.lifespan); // could be negative so should not use unsigned longs
}
@Override
public MortalCacheValue readObject(ObjectInput input) throws IOException, ClassNotFoundException {
Object v = input.readObject();
EntryVersion version = (EntryVersion) input.readObject();
long created = UnsignedNumeric.readUnsignedLong(input);
Long lifespan = input.readLong();
return new MortalCacheValue(v, version, created, lifespan);
}
@Override
public Integer getId() {
return Ids.MORTAL_VALUE;
}
@Override
public Set<Class<? extends MortalCacheValue>> getTypeClasses() {
return Util.<Class<? extends MortalCacheValue>>asSet(MortalCacheValue.class);
}
}
}