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 attempting to retrieve the result of a task
40 * that aborted by throwing an exception. This exception can be
41 * inspected using the {@link #getCause()} method.
42 *
43 * @see Future
44 * @since 1.5
45 * @author Doug Lea
46 */
47public class ExecutionException extends Exception {
48    private static final long serialVersionUID = 7830266012832686185L;
49
50    /**
51     * Constructs an {@code ExecutionException} with no detail message.
52     * The cause is not initialized, and may subsequently be
53     * initialized by a call to {@link #initCause(Throwable) initCause}.
54     */
55    protected ExecutionException() { }
56
57    /**
58     * Constructs an {@code ExecutionException} with the specified detail
59     * message. The cause is not initialized, and may subsequently be
60     * initialized by a call to {@link #initCause(Throwable) initCause}.
61     *
62     * @param message the detail message
63     */
64    protected ExecutionException(String message) {
65        super(message);
66    }
67
68    /**
69     * Constructs an {@code ExecutionException} with the specified detail
70     * message and cause.
71     *
72     * @param  message the detail message
73     * @param  cause the cause (which is saved for later retrieval by the
74     *         {@link #getCause()} method)
75     */
76    public ExecutionException(String message, Throwable cause) {
77        super(message, cause);
78    }
79
80    /**
81     * Constructs an {@code ExecutionException} with the specified cause.
82     * The detail message is set to {@code (cause == null ? null :
83     * cause.toString())} (which typically contains the class and
84     * detail message of {@code cause}).
85     *
86     * @param  cause the cause (which is saved for later retrieval by the
87     *         {@link #getCause()} method)
88     */
89    public ExecutionException(Throwable cause) {
90        super(cause);
91    }
92}
93