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annotate src/org/eclipse/jetty/continuation/ContinuationThrowable.java @ 830:7c737c376bc3

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