001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.wicket.metrics.aspects.component; 018 019import org.apache.wicket.metrics.WicketMetrics; 020import org.aspectj.lang.ProceedingJoinPoint; 021import org.aspectj.lang.annotation.Around; 022import org.aspectj.lang.annotation.Aspect; 023 024/** 025 * Gets information how often different components are rendered 026 * 027 * @author Tobias Soloschenko 028 */ 029@Aspect 030public class ComponentOnRenderAspect extends WicketMetrics 031{ 032 033 /** 034 * Collects data how often components are rendered 035 * 036 * @param joinPoint 037 * the join point (component) which is rendered 038 * @return the object returned from the join point 039 * @throws Throwable 040 * might occur while onRender 041 */ 042 @Around("execution(* org.apache.wicket.Component.onRender(..))") 043 public Object aroundOnRender(ProceedingJoinPoint joinPoint) throws Throwable 044 { 045 return measureTime("core/component/render", joinPoint); 046 } 047 048}