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}