1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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 android.os;
18 
19 import android.os.Message;
20 
21 /** @hide */
22 public class AsyncResult
23 {
24 
25     /*************************** Instance Variables **************************/
26 
27     // Expect either exception or result to be null
28     public Object userObj;
29     public Throwable exception;
30     public Object result;
31 
32     /***************************** Class Methods *****************************/
33 
34     /** Saves and sets m.obj */
35     public static AsyncResult
forMessage(Message m, Object r, Throwable ex)36     forMessage(Message m, Object r, Throwable ex)
37     {
38         AsyncResult ret;
39 
40         ret = new AsyncResult (m.obj, r, ex);
41 
42         m.obj = ret;
43 
44         return ret;
45     }
46 
47     /** Saves and sets m.obj */
48     public static AsyncResult
forMessage(Message m)49     forMessage(Message m)
50     {
51         AsyncResult ret;
52 
53         ret = new AsyncResult (m.obj, null, null);
54 
55         m.obj = ret;
56 
57         return ret;
58     }
59 
60     /** please note, this sets m.obj to be this */
61     public
AsyncResult(Object uo, Object r, Throwable ex)62     AsyncResult (Object uo, Object r, Throwable ex)
63     {
64         userObj = uo;
65         result = r;
66         exception = ex;
67     }
68 }
69