| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.junit.extensions; |
| |
| import org.apache.qpid.junit.extensions.util.StackQueue; |
| |
| import java.util.LinkedList; |
| import java.util.Queue; |
| |
| /** |
| * SetupTaskHandler implements a task stack. It can be used, by delegation, as a base implementation for tests that want |
| * to have configurable setup/teardown task stacks. Typically it is up to the test implementation to decide whether the |
| * stack is executed in the setup/teardown methods or in the threadSetup/threadTeaddown methods. |
| * |
| * <p/><table id="crc"><caption>CRC Card</caption> |
| * <tr><th> Responsibilities <th> Collaborations |
| * <tr><td> Handle injection of set up tasks. |
| * <tr><td> Handle injection of tear down tasks. |
| * <tr><td> Run set up tasks in chain order. |
| * <tr><td> Run tear down tasks in reverse chain order. |
| * </table> |
| * |
| * @author Rupert Smith |
| */ |
| public class SetupTaskHandler implements SetupTaskAware |
| { |
| /** Holds the set up tasks. */ |
| Queue<Runnable> setups = new LinkedList<Runnable>(); |
| |
| /** Holds the tear down tasks. */ |
| Queue<Runnable> teardowns = new StackQueue<Runnable>(); |
| |
| /** |
| * Adds the specified task to the tests setup. |
| * |
| * @param task The task to add to the tests setup. |
| */ |
| public void chainSetupTask(Runnable task) |
| { |
| setups.offer(task); |
| } |
| |
| /** |
| * Adds the specified task to the tests tear down. |
| * |
| * @param task The task to add to the tests tear down. |
| */ |
| public void chainTearDownTask(Runnable task) |
| { |
| teardowns.offer(task); |
| } |
| |
| /** |
| * Runs the set up tasks in the order that they way chained. |
| */ |
| public void runSetupTasks() |
| { |
| while (!setups.isEmpty()) |
| { |
| setups.remove().run(); |
| } |
| } |
| |
| /** |
| * Runs the tear down tasks in the reverse of the order in which they were chained. |
| */ |
| public void runTearDownTasks() |
| { |
| while (!teardowns.isEmpty()) |
| { |
| teardowns.remove().run(); |
| } |
| } |
| } |