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
36package 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 */
45public 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     */
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     */
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     */
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     */
87    public CompletionException(Throwable cause) {
88        super(cause);
89    }
90}
91