/*
* 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.configuration.cache;
/**
* Configures the L1 cache behavior in 'distributed' caches instances. In any other cache modes,
* this element is ignored.
*/
public class L1Configuration {
private final boolean enabled;
private final int invalidationThreshold;
private final long lifespan;
private final boolean onRehash;
private final long cleanupTaskFrequency;
// For use by the LegacyConfigurationAdapter
final boolean activated;
L1Configuration(boolean enabled, int invalidationThreshold, long lifespan, boolean onRehash, long cleanupTaskFrequency, boolean activated) {
this.enabled = enabled;
this.invalidationThreshold = invalidationThreshold;
this.lifespan = lifespan;
this.onRehash = onRehash;
this.cleanupTaskFrequency = cleanupTaskFrequency;
this.activated = activated;
}
public boolean enabled() {
return enabled;
}
/**
* <p>
* Determines whether a multicast or a web of unicasts are used when performing L1 invalidations.
* </p>
*
* <p>
* By default multicast will be used.
* </p>
*
* <p>
* If the threshold is set to -1, then unicasts will always be used. If the threshold is set to 0, then multicast
* will be always be used.
* </p>
*/
public int invalidationThreshold() {
return invalidationThreshold;
}
/**
* Determines how often a cleanup thread runs to clean up an internal log of requestors for a specific key
*/
public long cleanupTaskFrequency() {
return cleanupTaskFrequency;
}
/**
* Maximum lifespan of an entry placed in the L1 cache. Default 10 minutes.
*/
public long lifespan() {
return lifespan;
}
/**
* If true, entries removed due to a rehash will be moved to L1 rather than being removed
* altogether. Enabled by default.
*/
public boolean onRehash() {
return onRehash;
}
@Override
public String toString() {
return "L1Configuration{" +
"activated=" + activated +
", enabled=" + enabled +
", invalidationThreshold=" + invalidationThreshold +
", lifespan=" + lifespan +
", onRehash=" + onRehash +
", cleanupTaskFrequency=" + cleanupTaskFrequency +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
L1Configuration that = (L1Configuration) o;
if (activated != that.activated) return false;
if (enabled != that.enabled) return false;
if (invalidationThreshold != that.invalidationThreshold) return false;
if (lifespan != that.lifespan) return false;
if (onRehash != that.onRehash) return false;
if (cleanupTaskFrequency != that.cleanupTaskFrequency) return false;
return true;
}
@Override
public int hashCode() {
int result = (enabled ? 1 : 0);
result = 31 * result + invalidationThreshold;
result = 31 * result + (int) (lifespan ^ (lifespan >>> 32));
result = 31 * result + (onRehash ? 1 : 0);
result = 31 * result + (activated ? 1 : 0);
result = 31 * result + (int) (cleanupTaskFrequency ^ (cleanupTaskFrequency >>> 32));
return result;
}
}