    001/*
    002 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved.
    003 *
    004 * Project and contact information: http://www.cascading.org/
    005 *
    006 * This file is part of the Cascading project.
    007 *
    008 * Licensed under the Apache License, Version 2.0 (the "License");
    009 * you may not use this file except in compliance with the License.
    010 * You may obtain a copy of the License at
    011 *
    012 *     http://www.apache.org/licenses/LICENSE-2.0
    013 *
    014 * Unless required by applicable law or agreed to in writing, software
    015 * distributed under the License is distributed on an "AS IS" BASIS,
    016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017 * See the License for the specific language governing permissions and
    018 * limitations under the License.
    019 */
    020
    021package cascading.util.cache;
    022
    023import java.util.Map;
    024
    025/**
    026 * Interface that defines a Cache.
    027 */
    028public interface CascadingCache<Key, Value> extends Map<Key, Value>
    029  {
    030  /** Method to initialize the Cache. Any setup should be done in here. */
    031  void initialize();
    032
    033  /** Sets the capacity of the Cache. */
    034  void setCapacity( int capacity );
    035
    036  /**
    037   * Returns the capacity of this cache.
    038   */
    039  int getCapacity();
    040
    041  /** Sets the {@link CacheEvictionCallback} of this Cache. */
    042  void setCacheEvictionCallback( CacheEvictionCallback cacheEvictionCallback );
    043  }