1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.core5.http.impl.bootstrap;
28
29 import java.util.HashSet;
30 import java.util.Map;
31 import java.util.Set;
32 import java.util.concurrent.BlockingQueue;
33 import java.util.concurrent.ConcurrentHashMap;
34 import java.util.concurrent.ThreadFactory;
35 import java.util.concurrent.ThreadPoolExecutor;
36 import java.util.concurrent.TimeUnit;
37
38 class WorkerPoolExecutor extends ThreadPoolExecutor {
39
40 private final Map<Worker, Boolean> workerSet;
41
42 public WorkerPoolExecutor(
43 final int corePoolSize,
44 final int maximumPoolSize,
45 final long keepAliveTime,
46 final TimeUnit unit,
47 final BlockingQueue<Runnable> workQueue,
48 final ThreadFactory threadFactory) {
49 super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
50 this.workerSet = new ConcurrentHashMap<>();
51 }
52
53 @Override
54 protected void beforeExecute(final Thread t, final Runnable r) {
55 if (r instanceof Worker) {
56 this.workerSet.put((Worker) r, Boolean.TRUE);
57 }
58 }
59
60 @Override
61 protected void afterExecute(final Runnable r, final Throwable t) {
62 if (r instanceof Worker) {
63 this.workerSet.remove(r);
64 }
65 }
66
67 public Set<Worker> getWorkers() {
68 return new HashSet<>(this.workerSet.keySet());
69 }
70
71 }