Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
SelectorHandlerRunner |
|
| 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 | ||
39 | package com.sun.grizzly; | |
40 | ||
41 | import com.sun.grizzly.util.State; | |
42 | import com.sun.grizzly.util.StateHolder; | |
43 | import com.sun.grizzly.util.StateHolder.ConditionListener; | |
44 | import java.util.concurrent.CountDownLatch; | |
45 | import java.util.concurrent.TimeUnit; | |
46 | ||
47 | /** | |
48 | * Class is responsible for processing certain (single) | |
49 | * {@link SelectorHandler} | |
50 | * | |
51 | * @author Alexey Stashok | |
52 | */ | |
53 | public class SelectorHandlerRunner implements Runnable { | |
54 | ||
55 | private final SelectorHandler selectorHandler; | |
56 | private final Controller controller; | |
57 | ||
58 | 136 | public SelectorHandlerRunner(Controller controller, SelectorHandler selectorHandler) { |
59 | 136 | this.controller = controller; |
60 | 136 | this.selectorHandler = selectorHandler; |
61 | 136 | } |
62 | ||
63 | public SelectorHandler getSelectorHandler() { | |
64 | 0 | return selectorHandler; |
65 | } | |
66 | ||
67 | public void run() { | |
68 | 136 | StateHolder<State> controllerStateHolder = controller.getStateHolder(); |
69 | 136 | StateHolder<State> selectorHandlerStateHolder = selectorHandler.getStateHolder(); |
70 | ||
71 | try { | |
72 | 136 | selectorHandler.getStateHolder().setState(State.STARTED); |
73 | ||
74 | while (controllerStateHolder.getState(false) != State.STOPPED && | |
75 | 266428 | selectorHandlerStateHolder.getState(false) != State.STOPPED) { |
76 | ||
77 | 266292 | State controllerState = controllerStateHolder.getState(false); |
78 | 266292 | State selectorHandlerState = selectorHandlerStateHolder.getState(false); |
79 | ||
80 | 266292 | if (controllerState != State.PAUSED && |
81 | selectorHandlerState != State.PAUSED) { | |
82 | 266289 | controller.doSelect(selectorHandler); |
83 | } else { | |
84 | 3 | CountDownLatch latch = new CountDownLatch(1); |
85 | 3 | ConditionListener<State> controllerConditionListener = |
86 | registerForNotification(controllerState, | |
87 | controllerStateHolder, latch); | |
88 | 3 | ConditionListener<State> selectorHandlerConditionListener = |
89 | registerForNotification(selectorHandlerState, | |
90 | selectorHandlerStateHolder, latch); | |
91 | ||
92 | try { | |
93 | 3 | latch.await(5000, TimeUnit.MILLISECONDS); |
94 | 0 | } catch(InterruptedException e) { |
95 | } finally { | |
96 | 3 | controllerStateHolder.removeConditionListener(controllerConditionListener); |
97 | 3 | selectorHandlerStateHolder.removeConditionListener(selectorHandlerConditionListener); |
98 | 3 | } |
99 | } | |
100 | 266292 | } |
101 | } finally { | |
102 | 136 | selectorHandler.shutdown(); |
103 | 136 | controller.notifyStopped(); |
104 | 136 | } |
105 | 136 | } |
106 | ||
107 | /** | |
108 | * Register <code>CountDownLatch</code> to be notified, when either Controller | |
109 | * or SelectorHandler will change their state to correspondent values | |
110 | * @param currentState initial/current {@link StateHolder} state | |
111 | * @param stateHolder | |
112 | * @param latch | |
113 | * @return <code>ConditionListener</code> if listener is registered, null if | |
114 | * condition is true right now | |
115 | */ | |
116 | private ConditionListener<State> registerForNotification(State currentState, | |
117 | StateHolder<State> stateHolder, CountDownLatch latch) { | |
118 | 6 | if (currentState == State.PAUSED) { |
119 | 3 | return stateHolder.notifyWhenStateIsNotEqual(State.PAUSED, latch); |
120 | } else { | |
121 | 3 | return stateHolder.notifyWhenStateIsEqual(State.STOPPED, latch); |
122 | } | |
123 | } | |
124 | } |