001 package org.apache.fulcrum.yaafi.interceptor.jamon; 002 /* 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 */ 020 021 /** 022 * Expose the start()/stop() methods for performance monitors independent from their concrete 023 * implementation. 024 * 025 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 026 */ 027 028 public interface JamonPerformanceMonitor 029 { 030 /** Start the monitor. */ 031 public void start(); 032 033 /** Stop the monitor. */ 034 public void stop(); 035 036 /** 037 * Stop the monitor based on an Throwable. 038 * @param throwable the throwable 039 */ 040 public void stop(Throwable throwable); 041 042 /** 043 * Create a performance report 044 * @return the textual performance report 045 * @throws Exception generating the report failed 046 */ 047 public String createReport() throws Exception; 048 }