jurt/com/sun/star/lib/uno/environments/remote/JavaThreadPoolFactory.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package com.sun.star.lib.uno.environments.remote;
  20
  21 import java.util.Collection;
  22 import java.util.HashMap;
  23 import java.util.WeakHashMap;
  24
  25 final class JavaThreadPoolFactory {
  26
  27     public IThreadPool createThreadPool() {
  28         return new JavaThreadPool(this);
  29     }
  30
  31     public void addJobQueue(JobQueue jobQueue) {
  32         synchronized (jobQueues) {
  33             jobQueues.put(jobQueue.getThreadId(), jobQueue);
  34         }
  35     }
  36
  37     public void removeJobQueue(JobQueue jobQueue) {
  38         synchronized (jobQueues) {
  39             jobQueues.remove(jobQueue.getThreadId());
  40         }
  41     }
  42
  43     public JobQueue getJobQueue(ThreadId threadId) {
  44         synchronized (jobQueues) {
  45             return jobQueues.get(threadId);
  46         }
  47     }
  48
  49     public JobQueue getAsyncJobQueue(ThreadId threadId) {
  50         JobQueue q = getJobQueue(threadId);
  51         return q == null ? null : q._async_jobQueue;
  52     }
  53
  54     public void dispose(Object disposeId, Throwable throwable) {
  55         JobQueue[] qs;
  56         synchronized (jobQueues) {
  57             Collection<JobQueue> c = jobQueues.values();
  58             qs = c.toArray(new JobQueue[c.size()]);
  59         }
  60         for (int i = 0; i < qs.length; ++i) {
  61             qs[i].dispose(disposeId, throwable);
  62         }
  63     }
  64
  65     public static ThreadId getThreadId() {
  66         Thread t = Thread.currentThread();
  67         if (t instanceof JobQueue.JobDispatcher) {
  68             return ((JobQueue.JobDispatcher) t).getThreadId();
  69         } else {
  70             ThreadId id;
  71             synchronized (threadIdMap) {
  72                 id = threadIdMap.get(t);
  73                 if (id == null) {
  74                     id = ThreadId.createFresh();
  75                     threadIdMap.put(t, id);
  76                 }
  77             }
  78             return id;
  79         }
  80     }
  81
  82     private static final WeakHashMap<Thread, ThreadId> threadIdMap = new WeakHashMap<Thread, ThreadId>();
  83     private final HashMap<ThreadId, JobQueue> jobQueues = new HashMap<ThreadId, JobQueue>();
  84 }