| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| SchedulingStrategies |
|
| 1.5;1,5 |
| 1 | package org.apache.maven.surefire.junitcore.pc; | |
| 2 | ||
| 3 | /* | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | ||
| 22 | import java.util.concurrent.ExecutorService; | |
| 23 | import java.util.concurrent.Executors; | |
| 24 | ||
| 25 | /** | |
| 26 | * The factory of {@link SchedulingStrategy}. | |
| 27 | * | |
| 28 | * @author Tibor Digana (tibor17) | |
| 29 | * @since 2.16 | |
| 30 | */ | |
| 31 | 0 | public class SchedulingStrategies { |
| 32 | ||
| 33 | /** | |
| 34 | * @return sequentially executing strategy | |
| 35 | */ | |
| 36 | public static SchedulingStrategy createInvokerStrategy() { | |
| 37 | 1 | return new InvokerStrategy(); |
| 38 | } | |
| 39 | ||
| 40 | /** | |
| 41 | * @param nThreads fixed pool capacity | |
| 42 | * @return parallel scheduling strategy | |
| 43 | */ | |
| 44 | public static SchedulingStrategy createParallelStrategy(int nThreads) { | |
| 45 | 14 | return new NonSharedThreadPoolStrategy(Executors.newFixedThreadPool(nThreads)); |
| 46 | } | |
| 47 | ||
| 48 | /** | |
| 49 | * @return parallel scheduling strategy with unbounded capacity | |
| 50 | */ | |
| 51 | public static SchedulingStrategy createParallelStrategyUnbounded() { | |
| 52 | 1 | return new NonSharedThreadPoolStrategy(Executors.newCachedThreadPool()); |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * The <tt>threadPool</tt> passed to this strategy can be shared in other strategies. | |
| 57 | * <p> | |
| 58 | * The call {@link SchedulingStrategy#finished()} is waiting until own tasks have finished. | |
| 59 | * New tasks will not be scheduled by this call in this strategy. This strategy is not | |
| 60 | * waiting for other strategies to finish. The {@link org.junit.runners.model.RunnerScheduler#finished()} may | |
| 61 | * freely use {@link SchedulingStrategy#finished()}. | |
| 62 | * | |
| 63 | * @param threadPool thread pool possibly shared with other strategies | |
| 64 | * @return parallel strategy with shared thread pool | |
| 65 | * @throws NullPointerException if <tt>threadPool</tt> is null | |
| 66 | */ | |
| 67 | public static SchedulingStrategy createParallelSharedStrategy(ExecutorService threadPool) { | |
| 68 | 3 | if (threadPool == null) { |
| 69 | 1 | throw new NullPointerException("null threadPool in #createParallelSharedStrategy"); |
| 70 | } | |
| 71 | 2 | return new SharedThreadPoolStrategy(threadPool); |
| 72 | } | |
| 73 | } |