001/* 002 * Copyright 2002-2019 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.lang.reflect.Method; 020import java.util.Collection; 021 022/** 023 * Interface used by {@link CacheInterceptor}. Implementations know how to source 024 * cache operation attributes, whether from configuration, metadata attributes at 025 * source level, or elsewhere. 026 * 027 * @author Costin Leau 028 * @author Juergen Hoeller 029 * @since 3.1 030 */ 031public interface CacheOperationSource { 032 033 /** 034 * Return the collection of cache operations for this method, 035 * or {@code null} if the method contains no <em>cacheable</em> annotations. 036 * @param method the method to introspect 037 * @param targetClass the target class (may be {@code null}, in which case 038 * the declaring class of the method must be used) 039 * @return all cache operations for this method, or {@code null} if none found 040 */ 041 Collection<CacheOperation> getCacheOperations(Method method, Class<?> targetClass); 042 043}