Coverage Report - com.sun.grizzly.suspendable.SuspendableContextTask
 
Classes in this File Line Coverage Branch Coverage Complexity
SuspendableContextTask
100 %
17/17
N/A
0
SuspendableContextTask$1
100 %
2/2
N/A
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  
 }