001// Copyright 2008, 2009 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.ioc; 016 017/** 018 * Used to track some set of operations in such a way that a failure (a thrown RuntimeException) will be logged along 019 * with a trace of the stack of operations. 020 */ 021public interface OperationTracker 022{ 023 /** 024 * Executes the operation. 025 * 026 * @param description used if there is an exception 027 * @param operation to execute 028 */ 029 void run(String description, Runnable operation); 030 031 /** 032 * Executes the operation, returning its value. 033 * 034 * @param description used if there is an exception 035 * @param operation to invoke 036 * @return result of operation 037 */ 038 <T> T invoke(String description, Invokable<T> operation); 039}