01 /*
02 * Copyright 2009-2013 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
17 package org.codehaus.griffon.runtime.util;
18
19 import java.util.LinkedHashSet;
20 import java.util.Set;
21 import java.util.concurrent.ExecutorService;
22
23 /**
24 * @author Andres Almiray
25 * @since 1.2.0
26 */
27 public class ExecutorServiceHolder {
28 private static final Set<ExecutorService> EXECUTOR_SERVICE_CACHE = new LinkedHashSet<ExecutorService>();
29
30 public static ExecutorService add(ExecutorService executorService) {
31 if (executorService != null) {
32 EXECUTOR_SERVICE_CACHE.add(executorService);
33 }
34 return executorService;
35 }
36
37 public static ExecutorService remove(ExecutorService executorService) {
38 EXECUTOR_SERVICE_CACHE.remove(executorService);
39 return executorService;
40 }
41
42 public static void shutdownAll() {
43 for (ExecutorService executorService : EXECUTOR_SERVICE_CACHE) {
44 if (!executorService.isShutdown()) {
45 executorService.shutdownNow();
46 }
47 }
48 }
49 }
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