jurt/com/sun/star/lib/uno/protocols/urp/PendingRequests.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.protocols.urp;
  20
  21 import com.sun.star.lib.uno.environments.remote.ThreadId;
  22 import com.sun.star.uno.IMethodDescription;
  23 import java.util.HashMap;
  24 import java.util.Stack;
  25
  26 final class PendingRequests {
  27
  28     public synchronized void push(ThreadId tid, Item item) {
  29         Stack<Item> s = map.get(tid);
  30         if (s == null) {
  31             s = new Stack<Item>();
  32             map.put(tid, s);
  33         }
  34         s.push(item);
  35     }
  36
  37     public synchronized Item pop(ThreadId tid) {
  38         Stack<Item> s = map.get(tid);
  39         Item i = s.pop();
  40         if (s.empty()) {
  41             map.remove(tid);
  42         }
  43         return i;
  44     }
  45
  46     public static final class Item {
  47         public Item(
  48             boolean internal, IMethodDescription function, Object[] arguments)
  49         {
  50             this.internal = internal;
  51             this.function = function;
  52             this.arguments = arguments;
  53         }
  54
  55         public final boolean internal;
  56         public final IMethodDescription function;
  57         public final Object[] arguments;
  58     }
  59
  60     private final HashMap<ThreadId, Stack<Item>> map = new HashMap<ThreadId, Stack<Item>>(); // from ThreadId to Stack of Item
  61 }