01 /*
02 * Copyright 2008-2016 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.Nonnull;
21 import javax.annotation.Nullable;
22 import java.util.Collection;
23 import java.util.LinkedHashSet;
24 import java.util.Set;
25 import java.util.concurrent.ExecutorService;
26
27 import static java.util.Collections.unmodifiableSet;
28
29 /**
30 * @author Andres Almiray
31 * @since 2.0.0
32 */
33 public class DefaultExecutorServiceManager implements ExecutorServiceManager {
34 private final Set<ExecutorService> executorServices = new LinkedHashSet<>();
35
36 @Nonnull
37 @Override
38 public Collection<ExecutorService> getExecutorServices() {
39 return unmodifiableSet(executorServices);
40 }
41
42 @Override
43 @Nullable
44 public ExecutorService add(@Nullable ExecutorService executorService) {
45 if (executorService != null) {
46 executorServices.add(executorService);
47 }
48 return executorService;
49 }
50
51 @Override
52 @Nullable
53 public ExecutorService remove(@Nullable ExecutorService executorService) {
54 executorServices.remove(executorService);
55 return executorService;
56 }
57
58 @Override
59 public void shutdownAll() {
60 for (ExecutorService executorService : executorServices) {
61 if (!executorService.isShutdown()) {
62 executorService.shutdown();
63 }
64 }
65 }
66 }
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