01 /*
02 * Copyright 2008-2014 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.codehaus.griffon.runtime.core;
17
18 import griffon.core.ExecutorServiceManager;
19
20 import javax.annotation.Nullable;
21 import java.util.LinkedHashSet;
22 import java.util.Set;
23 import java.util.concurrent.ExecutorService;
24
25 /**
26 * @author Andres Almiray
27 * @since 2.0.0
28 */
29 public class DefaultExecutorServiceManager implements ExecutorServiceManager {
30 private final Set<ExecutorService> executorServices = new LinkedHashSet<>();
31
32 @Override
33 @Nullable
34 public ExecutorService add(@Nullable ExecutorService executorService) {
35 if (executorService != null) {
36 executorServices.add(executorService);
37 }
38 return executorService;
39 }
40
41 @Override
42 @Nullable
43 public ExecutorService remove(@Nullable ExecutorService executorService) {
44 executorServices.remove(executorService);
45 return executorService;
46 }
47
48 @Override
49 public void shutdownAll() {
50 for (ExecutorService executorService : executorServices) {
51 if (!executorService.isShutdown()) {
52 executorService.shutdownNow();
53 }
54 }
55 }
56 }
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