001/*
002 * Copyright 2002-2018 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.interceptor;
018
019import java.util.Collection;
020
021import org.springframework.cache.Cache;
022
023/**
024 * Determine the {@link Cache} instance(s) to use for an intercepted method invocation.
025 *
026 * <p>Implementations must be thread-safe.
027 *
028 * @author Stephane Nicoll
029 * @since 4.1
030 */
031public interface CacheResolver {
032
033        /**
034         * Return the cache(s) to use for the specified invocation.
035         * @param context the context of the particular invocation
036         * @return the cache(s) to use (never {@code null})
037         * @throws IllegalStateException if cache resolution failed
038         */
039        Collection<? extends Cache> resolveCaches(CacheOperationInvocationContext<?> context);
040
041}