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A light weight and high performance Java caching library. JCache/JSR107 support. Dependency to javax.cache:cache-api must be additionally declared.

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package org.cache2k.jcache.provider.event;

/*
 * #%L
 * cache2k JSR107 support
 * %%
 * Copyright (C) 2000 - 2016 headissue GmbH, Munich
 * %%
 * 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.
 * #L%
 */

import org.cache2k.CacheEntry;

import javax.cache.Cache;
import javax.cache.event.EventType;

/**
 * Entry event with original value for update events.
 *
 * @author Jens Wilke
 */
public class EntryEventWithOldValue extends EntryEvent {

  V oldValue;

  public EntryEventWithOldValue(final Cache source, final EventType eventType, final CacheEntry _c2kEntry, final V _oldValue) {
    super(source, eventType, _c2kEntry);
    oldValue = _oldValue;
  }

  public EntryEventWithOldValue(final Cache source, final EventType eventType, final K _key, final V _value, final V _oldValue) {
    super(source, eventType, _key, _value);
    oldValue = _oldValue;
  }

  @Override
  public V getOldValue() {
    return oldValue;
  }

  @Override
  public boolean isOldValueAvailable() {
    return true;
  }

}