1/*
2 * Written by Doug Lea with assistance from members of JCP JSR-166
3 * Expert Group and released to the public domain, as explained at
4 * http://creativecommons.org/publicdomain/zero/1.0/
5 */
6
7package java.util.concurrent;
8
9/**
10 * Exception indicating that the result of a value-producing task,
11 * such as a {@link FutureTask}, cannot be retrieved because the task
12 * was cancelled.
13 *
14 * @since 1.5
15 * @author Doug Lea
16 */
17public class CancellationException extends IllegalStateException {
18    private static final long serialVersionUID = -9202173006928992231L;
19
20    /**
21     * Constructs a {@code CancellationException} with no detail message.
22     */
23    public CancellationException() {}
24
25    /**
26     * Constructs a {@code CancellationException} with the specified detail
27     * message.
28     *
29     * @param message the detail message
30     */
31    public CancellationException(String message) {
32        super(message);
33    }
34}
35