001/* 002 * Copyright 2002-2014 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.util.Collection; 020import java.util.Collections; 021 022import org.springframework.cache.CacheManager; 023import org.springframework.cache.interceptor.AbstractCacheResolver; 024import org.springframework.cache.interceptor.BasicOperation; 025import org.springframework.cache.interceptor.CacheOperationInvocationContext; 026import org.springframework.cache.interceptor.CacheResolver; 027 028/** 029 * A simple {@link CacheResolver} that resolves the exception cache 030 * based on a configurable {@link CacheManager} and the name of the 031 * cache: {@link CacheResultOperation#getExceptionCacheName()} 032 * 033 * @author Stephane Nicoll 034 * @since 4.1 035 * @see CacheResultOperation#getExceptionCacheName() 036 */ 037public class SimpleExceptionCacheResolver extends AbstractCacheResolver { 038 039 public SimpleExceptionCacheResolver(CacheManager cacheManager) { 040 super(cacheManager); 041 } 042 043 @Override 044 protected Collection<String> getCacheNames(CacheOperationInvocationContext<?> context) { 045 BasicOperation operation = context.getOperation(); 046 if (!(operation instanceof CacheResultOperation)) { 047 throw new IllegalStateException("Could not extract exception cache name from " + operation); 048 } 049 CacheResultOperation cacheResultOperation = (CacheResultOperation) operation; 050 String exceptionCacheName = cacheResultOperation.getExceptionCacheName(); 051 if (exceptionCacheName != null) { 052 return Collections.singleton(exceptionCacheName); 053 } 054 return null; 055 } 056 057}