Coverage Report - com.sun.grizzly.SelectorHandlerRunner
 
Classes in this File Line Coverage Branch Coverage Complexity
SelectorHandlerRunner
93 %
27/29
90 %
9/10
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  
 }