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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.surefire.junitcore.pc;
20  
21  import java.util.concurrent.Future;
22  import java.util.concurrent.atomic.AtomicReference;
23  
24  /**
25   * Wrapper of {@link ParallelComputer ParallelComputer status information} and tests been populated before
26   * a shutdown hook has been triggered.
27   *
28   * @author <a href="mailto:tibordigana@apache.org">Tibor Digana (tibor17)</a>
29   * @see ParallelComputer
30   * @since 2.18
31   */
32  final class ShutdownStatus {
33      private final AtomicReference<ExecutionStatus> status = new AtomicReference<>(ExecutionStatus.STARTED);
34  
35      private Future<ShutdownResult> descriptionsBeforeShutdown;
36  
37      boolean tryFinish() {
38          return status.compareAndSet(ExecutionStatus.STARTED, ExecutionStatus.FINISHED);
39      }
40  
41      boolean tryTimeout() {
42          return status.compareAndSet(ExecutionStatus.STARTED, ExecutionStatus.TIMEOUT);
43      }
44  
45      boolean isTimeoutElapsed() {
46          return status.get() == ExecutionStatus.TIMEOUT;
47      }
48  
49      Future<ShutdownResult> getDescriptionsBeforeShutdown() {
50          return descriptionsBeforeShutdown;
51      }
52  
53      void setDescriptionsBeforeShutdown(Future<ShutdownResult> descriptionsBeforeShutdown) {
54          this.descriptionsBeforeShutdown = descriptionsBeforeShutdown;
55      }
56  }