Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
SuspendableContextTask |
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| 0.0;0 | ||||
SuspendableContextTask$1 |
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| 0.0;0 |
1 | /* | |
2 | * | |
3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
4 | * | |
5 | * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved. | |
6 | * | |
7 | * The contents of this file are subject to the terms of either the GNU | |
8 | * General Public License Version 2 only ("GPL") or the Common Development | |
9 | * and Distribution License("CDDL") (collectively, the "License"). You | |
10 | * may not use this file except in compliance with the License. You can obtain | |
11 | * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html | |
12 | * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific | |
13 | * language governing permissions and limitations under the License. | |
14 | * | |
15 | * When distributing the software, include this License Header Notice in each | |
16 | * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. | |
17 | * Sun designates this particular file as subject to the "Classpath" exception | |
18 | * as provided by Sun in the GPL Version 2 section of the License file that | |
19 | * accompanied this code. If applicable, add the following below the License | |
20 | * Header, with the fields enclosed by brackets [] replaced by your own | |
21 | * identifying information: "Portions Copyrighted [year] | |
22 | * [name of copyright owner]" | |
23 | * | |
24 | * Contributor(s): | |
25 | * | |
26 | * If you wish your version of this file to be governed by only the CDDL or | |
27 | * only the GPL Version 2, indicate your decision by adding "[Contributor] | |
28 | * elects to include this software in this distribution under the [CDDL or GPL | |
29 | * Version 2] license." If you don't indicate a single choice of license, a | |
30 | * recipient has the option to distribute your version of this file under | |
31 | * either the CDDL, the GPL Version 2 or to extend the choice of license to | |
32 | * its licensees as provided above. However, if you add GPL Version 2 code | |
33 | * and therefore, elected the GPL Version 2 license, then the option applies | |
34 | * only if the new code is made subject to such option by the copyright | |
35 | * holder. | |
36 | * | |
37 | */ | |
38 | package com.sun.grizzly.suspendable; | |
39 | ||
40 | import com.sun.grizzly.DefaultProtocolChain; | |
41 | import com.sun.grizzly.SelectionKeyContextTask; | |
42 | import com.sun.grizzly.util.ThreadAttachment; | |
43 | import com.sun.grizzly.util.WorkerThread; | |
44 | ||
45 | /** | |
46 | * Simple ContextTask used to resume a {@link ProtocolChain} execution | |
47 | * when the {@link SuspendableFilter} is used. | |
48 | * | |
49 | * @author Jeanfrancois Arcand | |
50 | */ | |
51 | 1 | class SuspendableContextTask extends SelectionKeyContextTask { |
52 | ||
53 | protected DefaultProtocolChain protocolChain; | |
54 | 1 | protected int filterStart = 0; |
55 | protected ThreadAttachment threadAttachment; | |
56 | 1 | private static final TaskPool<SuspendableContextTask> taskPool = |
57 | 2 | new TaskPool<SuspendableContextTask>() { |
58 | ||
59 | @Override | |
60 | public SuspendableContextTask newInstance() { | |
61 | 1 | return new SuspendableContextTask(); |
62 | } | |
63 | }; | |
64 | ||
65 | public static SuspendableContextTask poll(DefaultProtocolChain pc, | |
66 | ThreadAttachment threadAttachment, int filterStart) { | |
67 | 3 | SuspendableContextTask sct = taskPool.poll(); |
68 | 3 | sct.protocolChain = pc; |
69 | 3 | sct.filterStart = filterStart; |
70 | 3 | sct.threadAttachment = threadAttachment; |
71 | 3 | return sct; |
72 | } | |
73 | ||
74 | ||
75 | public static void offer(SuspendableContextTask contextTask) { | |
76 | 3 | taskPool.offer(contextTask); |
77 | 3 | } |
78 | ||
79 | ||
80 | /** | |
81 | * Resume the ProtocolChain at positon {@link #filterStart} | |
82 | * @return null | |
83 | * @throws java.lang.Exception | |
84 | */ | |
85 | protected Object doCall() throws Exception { | |
86 | 3 | ((WorkerThread) Thread.currentThread()).attach(threadAttachment); |
87 | 3 | protocolChain.setContinuousExecution(false); |
88 | 3 | protocolChain.execute(context, filterStart); |
89 | 3 | protocolChain.setContinuousExecution(true); |
90 | ||
91 | 3 | return null; |
92 | } | |
93 | ||
94 | @Override | |
95 | public void offer() { | |
96 | 3 | offer(this); |
97 | 3 | } |
98 | } |