001/* 002 * Copyright 2002-2020 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.cache.support; 018 019import java.util.Collection; 020import java.util.Collections; 021 022import org.springframework.cache.Cache; 023 024/** 025 * Simple cache manager working against a given collection of caches. 026 * Useful for testing or simple caching declarations. 027 * <p> 028 * When using this implementation directly, i.e. not via a regular 029 * bean registration, {@link #initializeCaches()} should be invoked 030 * to initialize its internal state once the 031 * {@linkplain #setCaches(Collection) caches have been provided}. 032 * 033 * @author Costin Leau 034 * @since 3.1 035 */ 036public class SimpleCacheManager extends AbstractCacheManager { 037 038 private Collection<? extends Cache> caches = Collections.emptySet(); 039 040 041 /** 042 * Specify the collection of Cache instances to use for this CacheManager. 043 * @see #initializeCaches() 044 */ 045 public void setCaches(Collection<? extends Cache> caches) { 046 this.caches = caches; 047 } 048 049 @Override 050 protected Collection<? extends Cache> loadCaches() { 051 return this.caches; 052 } 053 054}