1 /*
2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3  *
4  * This code is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 2 only, as
6  * published by the Free Software Foundation.  Oracle designates this
7  * particular file as subject to the "Classpath" exception as provided
8  * by Oracle in the LICENSE file that accompanied this code.
9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  */
24 
25 /*
26  * This file is available under and governed by the GNU General Public
27  * License version 2 only, as published by the Free Software Foundation.
28  * However, the following notice accompanied the original version of this
29  * file:
30  *
31  * Written by Doug Lea with assistance from members of JCP JSR-166
32  * Expert Group and released to the public domain, as explained at
33  * http://creativecommons.org/publicdomain/zero/1.0/
34  */
35 
36 package java.util.concurrent;
37 
38 /**
39  * Exception thrown when an error or other exception is encountered
40  * in the course of completing a result or task.
41  *
42  * @since 1.8
43  * @author Doug Lea
44  */
45 public class CompletionException extends RuntimeException {
46     private static final long serialVersionUID = 7830266012832686185L;
47 
48     /**
49      * Constructs a {@code CompletionException} with no detail message.
50      * The cause is not initialized, and may subsequently be
51      * initialized by a call to {@link #initCause(Throwable) initCause}.
52      */
CompletionException()53     protected CompletionException() { }
54 
55     /**
56      * Constructs a {@code CompletionException} with the specified detail
57      * message. The cause is not initialized, and may subsequently be
58      * initialized by a call to {@link #initCause(Throwable) initCause}.
59      *
60      * @param message the detail message
61      */
CompletionException(String message)62     protected CompletionException(String message) {
63         super(message);
64     }
65 
66     /**
67      * Constructs a {@code CompletionException} with the specified detail
68      * message and cause.
69      *
70      * @param  message the detail message
71      * @param  cause the cause (which is saved for later retrieval by the
72      *         {@link #getCause()} method)
73      */
CompletionException(String message, Throwable cause)74     public CompletionException(String message, Throwable cause) {
75         super(message, cause);
76     }
77 
78     /**
79      * Constructs a {@code CompletionException} with the specified cause.
80      * The detail message is set to {@code (cause == null ? null :
81      * cause.toString())} (which typically contains the class and
82      * detail message of {@code cause}).
83      *
84      * @param  cause the cause (which is saved for later retrieval by the
85      *         {@link #getCause()} method)
86      */
CompletionException(Throwable cause)87     public CompletionException(Throwable cause) {
88         super(cause);
89     }
90 }
91