01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.codehaus.griffon.runtime.core;
19
20 import griffon.core.ExecutorServiceManager;
21
22 import javax.annotation.Nonnull;
23 import javax.annotation.Nullable;
24 import java.util.Collection;
25 import java.util.LinkedHashSet;
26 import java.util.Set;
27 import java.util.concurrent.ExecutorService;
28
29 import static java.util.Collections.unmodifiableSet;
30
31 /**
32 * @author Andres Almiray
33 * @since 2.0.0
34 */
35 public class DefaultExecutorServiceManager implements ExecutorServiceManager {
36 private final Set<ExecutorService> executorServices = new LinkedHashSet<>();
37
38 @Nonnull
39 @Override
40 public Collection<ExecutorService> getExecutorServices() {
41 return unmodifiableSet(executorServices);
42 }
43
44 @Override
45 @Nullable
46 public ExecutorService add(@Nullable ExecutorService executorService) {
47 if (executorService != null) {
48 executorServices.add(executorService);
49 }
50 return executorService;
51 }
52
53 @Override
54 @Nullable
55 public ExecutorService remove(@Nullable ExecutorService executorService) {
56 executorServices.remove(executorService);
57 return executorService;
58 }
59
60 @Override
61 public void shutdownAll() {
62 for (ExecutorService executorService : executorServices) {
63 if (!executorService.isShutdown()) {
64 executorService.shutdown();
65 }
66 }
67 }
68 }
|