net.sf.ehcache.store.ElementValueComparator Maven / Gradle / Ivy
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Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
/**
* 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 net.sf.ehcache.store;
import net.sf.ehcache.Element;
/**
* Used to compare two element values.
* Implementations must define a constructor accepting a single CacheConfiguration argument.
*
* @author Ludovic Orban
*/
public interface ElementValueComparator {
/**
* Compare the two elements.
* Null values have to be supported.
*
* @param e1 element to compare
* @param e2 element to compare
* @return {@code true} if the elements are equal
*/
boolean equals(Element e1, Element e2);
}