/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.datatorrent.lib.appdata.datastructs;

import com.datatorrent.lib.appdata.datastructs.CacheLRUSynchronousFlush.CacheFlushListener;

/**
 * This is a listener which is called by {@link CacheLRUSynchronousFlush} when the cache is flushed.
 * @param <KEY> The type of keys in the cache.
 * @param <VALUE> The type of values in the cache.
 * @since 3.0.0
 */
public class NOPCacheFlushListener<KEY, VALUE> implements CacheFlushListener<KEY, VALUE>
{
  @Override
  public void flush(KEY key, VALUE value)
  {
    //Do nothing
  }
}