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.jcache.interceptor; 018 019import java.lang.reflect.Method; 020 021import org.springframework.lang.Nullable; 022 023/** 024 * Interface used by {@link JCacheInterceptor}. Implementations know how to source 025 * cache operation attributes from standard JSR-107 annotations. 026 * 027 * @author Stephane Nicoll 028 * @since 4.1 029 * @see org.springframework.cache.interceptor.CacheOperationSource 030 */ 031public interface JCacheOperationSource { 032 033 /** 034 * Return the cache operations for this method, or {@code null} 035 * if the method contains no <em>JSR-107</em> related metadata. 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 the cache operation for this method, or {@code null} if none found 040 */ 041 @Nullable 042 JCacheOperation<?> getCacheOperation(Method method, @Nullable Class<?> targetClass); 043 044}