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 
22 
23 
24 package com.sun.star.lib.uno.protocols.urp;
25 
26 import com.sun.star.lib.uno.environments.remote.ThreadId;
27 import com.sun.star.uno.IMethodDescription;
28 import java.util.HashMap;
29 import java.util.Stack;
30 
31 final class PendingRequests {
PendingRequests()32     public PendingRequests() {}
33 
push(ThreadId tid, Item item)34     public synchronized void push(ThreadId tid, Item item) {
35         Stack s = (Stack) map.get(tid);
36         if (s == null) {
37             s = new Stack();
38             map.put(tid, s);
39         }
40         s.push(item);
41     }
42 
pop(ThreadId tid)43     public synchronized Item pop(ThreadId tid) {
44         Stack s = (Stack) map.get(tid);
45         Item i = (Item) s.pop();
46         if (s.empty()) {
47             map.remove(tid);
48         }
49         return i;
50     }
51 
52     public static final class Item {
Item( boolean internal, IMethodDescription function, Object[] arguments)53         public Item(
54             boolean internal, IMethodDescription function, Object[] arguments)
55         {
56             this.internal = internal;
57             this.function = function;
58             this.arguments = arguments;
59         }
60 
61         public final boolean internal;
62         public final IMethodDescription function;
63         public final Object[] arguments;
64     }
65 
66     private final HashMap map = new HashMap(); // from ThreadId to Stack of Item
67 }
68