Mercurial Hosting > luan

annotate src/org/eclipse/jetty/continuation/ContinuationThrowable.java @ 813:f8f7cb485c25

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove UserIdentity
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 08 Sep 2016 22:01:33 -0600
parents 3428c60d7cfc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
1 //
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2 // ========================================================================
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 // ------------------------------------------------------------------------
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
5 // All rights reserved. This program and the accompanying materials
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6 // are made available under the terms of the Eclipse Public License v1.0
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7 // and Apache License v2.0 which accompanies this distribution.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 //
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
9 // The Eclipse Public License is available at
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10 // http://www.eclipse.org/legal/epl-v10.html
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11 //
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
12 // The Apache License v2.0 is available at
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
13 // http://www.opensource.org/licenses/apache2.0.php
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14 //
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15 // You may elect to redistribute this code under either of these licenses.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
16 // ========================================================================
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17 //
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
18
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
19
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
20 package org.eclipse.jetty.continuation;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
21
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
22
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
23 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
24 /** ContinuationThrowable
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
25 * <p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
26 * A ContinuationThrowable is throw by {@link Continuation#undispatch()}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
27 * in order to exit the dispatch to a Filter or Servlet. Use of
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
28 * ContinuationThrowable is discouraged and it is preferable to
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
29 * allow return to be used. ContinuationThrowables should only be
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
30 * used when there is a Filter/Servlet which cannot be modified
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
31 * to avoid committing a response when {@link Continuation#isSuspended()}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
32 * is true.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
33 * </p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
34 * <p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
35 * ContinuationThrowable instances are often reused so that the
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
36 * stack trace may be entirely unrelated to the calling stack.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
37 * A real stack trace may be obtained by enabling debug.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
38 * </p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
39 * <p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
40 * ContinuationThrowable extends Error as this is more likely
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
41 * to be uncaught (or rethrown) by a Filter/Servlet. A ContinuationThrowable
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
42 * does not represent and error condition.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
43 * </p>
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
44 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
45 public class ContinuationThrowable extends Error
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
46 {}