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}