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 }