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 * Copyright 2021, 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.infinispan.affinity.impl;

import org.infinispan.affinity.KeyAffinityService;
import org.infinispan.affinity.KeyGenerator;
import org.infinispan.remoting.transport.Address;

/**
 * Simple {@link KeyAffinityService} implementation for use when co-location is not a requirement.
 * @author Paul Ferraro
 */
public class SimpleKeyAffinityService<K> implements KeyAffinityService<K> {

    private final KeyGenerator<K> generator;
    private volatile boolean started = false;

    SimpleKeyAffinityService(KeyGenerator<K> generator) {
        this.generator = generator;
    }

    @Override
    public void start() {
        this.started = true;
    }

    @Override
    public void stop() {
        this.started = false;
    }

    @Override
    public K getKeyForAddress(Address address) {
        return this.generator.getKey();
    }

    @Override
    public K getCollocatedKey(K otherKey) {
        return this.generator.getKey();
    }

    @Override
    public boolean isStarted() {
        return this.started;
    }
}
