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AffinityIdentifierFactory.java
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AffinityIdentifierFactory.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.wildfly.clustering.web.infinispan;
import org.infinispan.Cache;
import org.infinispan.affinity.KeyAffinityService;
import org.infinispan.affinity.KeyGenerator;
import org.infinispan.manager.EmbeddedCacheManager;
import org.jboss.as.clustering.infinispan.affinity.KeyAffinityServiceFactory;
import org.wildfly.clustering.web.IdentifierFactory;
/**
* {@link IdentifierFactory} that uses a {@link KeyAffinityService} to generate identifiers.
* @author Paul Ferraro
* @param <K> the key type
*/
public class AffinityIdentifierFactory<K> implements IdentifierFactory<K>, KeyGenerator<K> {
private final IdentifierFactory<K> factory;
private final KeyAffinityService<K> affinity;
private final EmbeddedCacheManager manager;
public AffinityIdentifierFactory(IdentifierFactory<K> factory, Cache<K, ?> cache, KeyAffinityServiceFactory affinityFactory) {
this.factory = factory;
this.affinity = affinityFactory.createService(cache, this);
this.manager = cache.getCacheManager();
}
@Override
public K createIdentifier() {
return this.affinity.getKeyForAddress(this.manager.getAddress());
}
@Override
public K getKey() {
return this.factory.createIdentifier();
}
@Override
public void start() {
this.factory.start();
this.affinity.start();
}
@Override
public void stop() {
this.affinity.stop();
this.factory.stop();
}
}