/*
* JBoss, Home of Professional Open Source
* Copyright 2013 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.metadata;
import org.infinispan.container.versioning.EntryVersion;
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;
import java.util.concurrent.TimeUnit;
/**
* Metadata class for embedded caches.
*
* @author Galder Zamarreño
* @since 5.3
*/
public final class EmbeddedMetadata implements Metadata {
private final long lifespan;
private final long maxIdle;
private final EntryVersion version;
private EmbeddedMetadata(
long lifespan, TimeUnit lifespanUnit,
long maxIdle, TimeUnit maxIdleUnit, EntryVersion version) {
this.lifespan = lifespanUnit.toMillis(lifespan);
this.maxIdle = maxIdleUnit.toMillis(maxIdle);
this.version = version;
}
@Override
public long lifespan() {
return lifespan;
}
@Override
public long maxIdle() {
return maxIdle;
}
@Override
public EntryVersion version() {
return version;
}
@Override
public Metadata.Builder builder() {
// This method will be called rarely, so don't keep a reference!
return new Builder().lifespan(lifespan).maxIdle(lifespan).version(version);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
EmbeddedMetadata that = (EmbeddedMetadata) o;
if (lifespan != that.lifespan) return false;
if (maxIdle != that.maxIdle) return false;
if (version != null ? !version.equals(that.version) : that.version != null) return false;
return true;
}
@Override
public int hashCode() {
int result = (int) (lifespan ^ (lifespan >>> 32));
result = 31 * result + (int) (maxIdle ^ (maxIdle >>> 32));
result = 31 * result + (version != null ? version.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "EmbeddedMetadata{" +
"lifespan=" + lifespan +
", maxIdle=" + maxIdle +
", version=" + version +
'}';
}
public static final class Builder implements Metadata.Builder {
private long lifespan = -1;
private TimeUnit lifespanUnit = TimeUnit.MILLISECONDS;
private long maxIdle = -1;
private TimeUnit maxIdleUnit = TimeUnit.MILLISECONDS;
private EntryVersion version;
@Override
public Metadata.Builder lifespan(long time, TimeUnit unit) {
lifespan = time;
lifespanUnit = unit;
return this;
}
@Override
public Metadata.Builder lifespan(long time) {
return lifespan(time, TimeUnit.MILLISECONDS);
}
@Override
public Metadata.Builder maxIdle(long time, TimeUnit unit) {
maxIdle = time;
maxIdleUnit = unit;
return this;
}
@Override
public Metadata.Builder maxIdle(long time) {
return maxIdle(time, TimeUnit.MILLISECONDS);
}
@Override
public Metadata.Builder version(EntryVersion version) {
this.version = version;
return this;
}
@Override
public Metadata build() {
return new EmbeddedMetadata(
lifespan, lifespanUnit, maxIdle, maxIdleUnit, version);
}
}
public static class Externalizer extends AbstractExternalizer<EmbeddedMetadata> {
@Override
@SuppressWarnings("unchecked")
public Set<Class<? extends EmbeddedMetadata>> getTypeClasses() {
return Util.<Class<? extends EmbeddedMetadata>>asSet(EmbeddedMetadata.class);
}
@Override
public Integer getId() {
return Ids.EMBEDDED_METADATA;
}
@Override
public void writeObject(ObjectOutput output, EmbeddedMetadata object) throws IOException {
output.writeLong(object.lifespan);
output.writeLong(object.maxIdle);
output.writeObject(object.version);
}
@Override
public EmbeddedMetadata readObject(ObjectInput input) throws IOException, ClassNotFoundException {
long lifespan = input.readLong();
long maxIdle = input.readLong();
EntryVersion version = (EntryVersion) input.readObject();
return new EmbeddedMetadata(lifespan, TimeUnit.MILLISECONDS,
maxIdle, TimeUnit.MILLISECONDS,
version);
}
}
}