001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
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 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
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 */
016package io.jboot.components.cache.interceptor;
017
018
019import com.jfinal.aop.Interceptor;
020import com.jfinal.aop.Invocation;
021import io.jboot.components.cache.annotation.CacheEvict;
022
023import java.lang.reflect.Method;
024
025/**
026 * 清除缓存操作的拦截器
027 */
028public class CacheEvictInterceptor implements Interceptor {
029
030    @Override
031    public void intercept(Invocation inv) {
032
033        Method method = inv.getMethod();
034        CacheEvict cacheEvict = method.getAnnotation(CacheEvict.class);
035        if (cacheEvict == null) {
036            inv.invoke();
037            return;
038        }
039
040        Class<?> targetClass = inv.getTarget().getClass();
041
042        if (cacheEvict.beforeInvocation()) {
043            Utils.removeCache(inv.getArgs(), targetClass, method, cacheEvict, inv.isActionInvocation());
044        }
045
046        inv.invoke();
047
048        if (!cacheEvict.beforeInvocation()) {
049            Utils.removeCache(inv.getArgs(), targetClass, method, cacheEvict, inv.isActionInvocation());
050        }
051    }
052}