| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 1 | <html><body><pre>
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| 2 | <%--
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| 3 | Licensed to the Apache Software Foundation (ASF) under one or more
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| 4 | contributor license agreements. See the NOTICE file distributed with
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| 5 | this work for additional information regarding copyright ownership.
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| 6 | The ASF licenses this file to You under the Apache License, Version 2.0
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| 7 | (the "License"); you may not use this file except in compliance with
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| 8 | the License. You may obtain a copy of the License at
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| 9 |
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| 10 | http://www.apache.org/licenses/LICENSE-2.0
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| 11 |
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| 12 | Unless required by applicable law or agreed to in writing, software
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| 13 | distributed under the License is distributed on an "AS IS" BASIS,
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| 14 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 15 | See the License for the specific language governing permissions and
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| 16 | limitations under the License.
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| 17 | --%>
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| 18 | <%@page session="false"%>
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| 19 |
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| 20 | <pre>
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| 21 | Use cases:
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| 22 |
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| 23 | 1. Simple dispatch
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| 24 | - servlet does startAsync()
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| 25 | - background thread calls ctx.dispatch()
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| 26 | <a href="<%=response.encodeURL("/examples/async/async0")%>"> Async 0 </a>
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| 27 |
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| 28 | 2. Simple dispatch
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| 29 | - servlet does startAsync()
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| 30 | - background thread calls dispatch(/path/to/jsp)
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| 31 | <a href="<%=response.encodeURL("/examples/async/async1")%>"> Async 1 </a>
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| 32 |
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| 33 | 3. Simple dispatch
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| 34 | - servlet does startAsync()
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| 35 | - background thread calls writes and calls complete()
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| 36 | <a href="<%=response.encodeURL("/examples/async/async2")%>"> Async 2 </a>
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| 37 |
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| 38 | 4. Simple dispatch
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| 39 | - servlet does a startAsync()
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| 40 | - servlet calls dispatch(/path/to/jsp)
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| 41 | - servlet calls complete()
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| 42 | <a href="<%=response.encodeURL("/examples/async/async3")%>"> Async 3 </a>
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| 43 |
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| 44 | 3. Timeout s1
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| 45 | - servlet does a startAsync()
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| 46 | - servlet does a setAsyncTimeout
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| 47 | - returns - waits for timeout to happen should return error page
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| 48 |
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| 49 | 4. Timeout s2
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| 50 | - servlet does a startAsync()
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| 51 | - servlet does a setAsyncTimeout
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| 52 | - servlet does a addAsyncListener
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| 53 | - returns - waits for timeout to happen and listener invoked
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| 54 |
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| 55 | 5. Dispatch to asyncSupported=false servlet
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| 56 | - servlet1 does a startAsync()
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| 57 | - servlet1 dispatches to dispatch(/servlet2)
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| 58 | - the container calls complete() after servlet2 is complete
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| 59 | - TODO
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| 60 |
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| 61 | 6. Chained dispatch
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| 62 | - servlet1 does a startAsync
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| 63 | - servlet1 does a dispatch to servlet2 (asyncsupported=true)
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| 64 | - servlet2 does a dispatch to servlet3 (asyncsupported=true)
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| 65 | - servlet3 does a dispatch to servlet4 (asyncsupported=false)
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| 66 |
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| 67 |
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| 68 | 7. Stock ticker
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| 69 | <a href="<%=response.encodeURL("/examples/async/stockticker")%>"> StockTicker </a>
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| 70 | </pre>
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| 71 | </pre></body></html>
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