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org.infinispan.metadata.EmbeddedMetadata Maven / Gradle / Ivy
package org.infinispan.metadata;
import org.infinispan.container.versioning.EntryVersion;
import org.infinispan.commons.marshall.AbstractExternalizer;
import org.infinispan.commons.util.Util;
import org.infinispan.marshall.core.Ids;
import org.jboss.marshalling.util.IdentityIntMap;
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 class EmbeddedMetadata implements Metadata {
final EntryVersion version;
private EmbeddedMetadata(EntryVersion version) {
this.version = version;
}
@Override
public long lifespan() {
return -1;
}
@Override
public long maxIdle() {
return -1;
}
@Override
public EntryVersion version() {
return version;
}
@Override
public Metadata.Builder builder() {
return new Builder().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 (version != null ? !version.equals(that.version) : that.version != null)
return false;
return true;
}
@Override
public int hashCode() {
return version != null ? version.hashCode() : 0;
}
@Override
public String toString() {
return "EmbeddedMetadata{" +
"version=" + version +
'}';
}
public static class Builder implements Metadata.Builder {
protected Long lifespan = null;
protected TimeUnit lifespanUnit = TimeUnit.MILLISECONDS;
protected Long maxIdle = null;
protected TimeUnit maxIdleUnit = TimeUnit.MILLISECONDS;
protected 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() {
boolean hasLifespan = hasLifespan();
boolean hasMaxIdle = hasMaxIdle();
if (hasLifespan && hasMaxIdle)
return new EmbeddedExpirableMetadata(
lifespan, lifespanUnit, maxIdle, maxIdleUnit, version);
else if (hasLifespan)
return new EmbeddedLifespanExpirableMetadata(lifespan, lifespanUnit, version);
else if (hasMaxIdle)
return new EmbeddedMaxIdleExpirableMetadata(maxIdle, maxIdleUnit, version);
else
return new EmbeddedMetadata(version);
}
protected boolean hasLifespan() {
return lifespan != null;
}
protected boolean hasMaxIdle() {
return maxIdle != null;
}
@Override
public Metadata.Builder merge(Metadata metadata) {
if (lifespan == null) { // if lifespan not set, apply default
lifespan = metadata.lifespan();
lifespanUnit = TimeUnit.MILLISECONDS;
}
if (maxIdle == null) { // if maxIdle not set, apply default
maxIdle = metadata.maxIdle();
maxIdleUnit = TimeUnit.MILLISECONDS;
}
if (version == null)
version = metadata.version();
return this;
}
}
private static class EmbeddedExpirableMetadata extends EmbeddedMetadata {
private final long lifespan;
private final long maxIdle;
private EmbeddedExpirableMetadata(
long lifespan, TimeUnit lifespanUnit,
long maxIdle, TimeUnit maxIdleUnit, EntryVersion version) {
super(version);
this.lifespan = lifespan < 0 ? -1 : lifespanUnit.toMillis(lifespan);
this.maxIdle = maxIdle < 0 ? -1 : maxIdleUnit.toMillis(maxIdle);
}
@Override
public long lifespan() {
return lifespan;
}
@Override
public long maxIdle() {
return maxIdle;
}
@Override
public Metadata.Builder builder() {
return new EmbeddedMetadata.Builder()
.lifespan(lifespan).maxIdle(maxIdle).version(version);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
EmbeddedExpirableMetadata that = (EmbeddedExpirableMetadata) o;
if (lifespan != that.lifespan) return false;
if (maxIdle != that.maxIdle) return false;
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (int) (lifespan ^ (lifespan >>> 32));
result = 31 * result + (int) (maxIdle ^ (maxIdle >>> 32));
return result;
}
@Override
public String toString() {
return "EmbeddedExpirableMetadata{" +
"lifespan=" + lifespan +
", maxIdle=" + maxIdle +
", version=" + version +
'}';
}
}
private static abstract class AbstractEmbeddedTimeoutMetadata extends EmbeddedMetadata {
protected final long timeout;
private AbstractEmbeddedTimeoutMetadata(
long timeout, TimeUnit timeoutUnit,
EntryVersion version) {
super(version);
this.timeout = timeout < 0 ? -1 : timeoutUnit.toMillis(timeout);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
if (!super.equals(o)) return false;
AbstractEmbeddedTimeoutMetadata that = (AbstractEmbeddedTimeoutMetadata) o;
if (timeout != that.timeout) return false;
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (int) (timeout ^ (timeout >>> 32));
return result;
}
}
private static class EmbeddedLifespanExpirableMetadata extends AbstractEmbeddedTimeoutMetadata {
private EmbeddedLifespanExpirableMetadata(long lifespan, TimeUnit lifespanUnit, EntryVersion version) {
super(lifespan, lifespanUnit, version);
}
@Override
public long lifespan() {
return timeout;
}
@Override
public Metadata.Builder builder() {
return new EmbeddedMetadata.Builder()
.lifespan(timeout).version(version);
}
@Override
public String toString() {
return "EmbeddedLifespanExpirableMetadata{" +
"lifespan=" + timeout +
", version=" + version +
'}';
}
}
private static class EmbeddedMaxIdleExpirableMetadata extends AbstractEmbeddedTimeoutMetadata {
private EmbeddedMaxIdleExpirableMetadata(long maxIdle, TimeUnit maxIdleUnit, EntryVersion version) {
super(maxIdle, maxIdleUnit, version);
}
@Override
public long maxIdle() {
return timeout;
}
@Override
public Metadata.Builder builder() {
return new EmbeddedMetadata.Builder()
.maxIdle(timeout).version(version);
}
@Override
public String toString() {
return "EmbeddedMaxIdleExpirableMetadata{" +
"maxIdle=" + timeout +
", version=" + version +
'}';
}
}
public static class Externalizer extends AbstractExternalizer {
private static final int IMMORTAL = 0;
private static final int EXPIRABLE = 1;
private static final int LIFESPAN_EXPIRABLE = 2;
private static final int MAXIDLE_EXPIRABLE = 3;
private final IdentityIntMap> numbers = new IdentityIntMap>(2);
public Externalizer() {
numbers.put(EmbeddedMetadata.class, IMMORTAL);
numbers.put(EmbeddedExpirableMetadata.class, EXPIRABLE);
numbers.put(EmbeddedLifespanExpirableMetadata.class, LIFESPAN_EXPIRABLE);
numbers.put(EmbeddedMaxIdleExpirableMetadata.class, MAXIDLE_EXPIRABLE);
}
@Override
@SuppressWarnings("unchecked")
public Set> getTypeClasses() {
return Util.asSet(EmbeddedMetadata.class, EmbeddedExpirableMetadata.class,
EmbeddedLifespanExpirableMetadata.class, EmbeddedMaxIdleExpirableMetadata.class);
}
@Override
public Integer getId() {
return Ids.EMBEDDED_METADATA;
}
@Override
public void writeObject(ObjectOutput output, EmbeddedMetadata object) throws IOException {
int number = numbers.get(object.getClass(), -1);
output.write(number);
switch (number) {
case EXPIRABLE:
output.writeLong(object.lifespan());
output.writeLong(object.maxIdle());
break;
case LIFESPAN_EXPIRABLE:
output.writeLong(object.lifespan());
break;
case MAXIDLE_EXPIRABLE:
output.writeLong(object.maxIdle());
break;
}
output.writeObject(object.version());
}
@Override
public EmbeddedMetadata readObject(ObjectInput input) throws IOException, ClassNotFoundException {
int number = input.readUnsignedByte();
switch (number) {
case IMMORTAL:
return new EmbeddedMetadata(
(EntryVersion) input.readObject());
case EXPIRABLE:
long lifespan = input.readLong();
long maxIdle = input.readLong();
EntryVersion version = (EntryVersion) input.readObject();
return new EmbeddedExpirableMetadata(
lifespan, TimeUnit.MILLISECONDS,
maxIdle, TimeUnit.MILLISECONDS, version);
case LIFESPAN_EXPIRABLE:
return new EmbeddedLifespanExpirableMetadata(
input.readLong(), TimeUnit.MILLISECONDS,
(EntryVersion) input.readObject());
case MAXIDLE_EXPIRABLE:
return new EmbeddedMaxIdleExpirableMetadata(
input.readLong(), TimeUnit.MILLISECONDS,
(EntryVersion) input.readObject());
default:
throw new IllegalStateException("Unknown metadata type " + number);
}
}
}
}
