/*
* Copyright Terracotta, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ehcache.docs.plugs;
import org.ehcache.config.EvictionAdvisor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Ludovic Orban
*/
public class OddKeysEvictionAdvisor<K extends Number, V> implements EvictionAdvisor<K, V> {
private static final Logger LOG = LoggerFactory.getLogger(OddKeysEvictionAdvisor.class);
@Override
public boolean adviseAgainstEviction(K key, V value) {
boolean advice = (key.longValue() & 0x1) == 1;
LOG.info("advising against eviction of {}? {}", key, advice);
return advice;
}
}