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  /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
   *
   * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
   *
   * The contents of this file are subject to the terms of either the GNU
   * General Public License Version 2 only ("GPL") or the Common Development
   * and Distribution License("CDDL") (collectively, the "License").  You
   * may not use this file except in compliance with the License.  You can
  * obtain a copy of the License at
  * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
  * or packager/legal/LICENSE.txt.  See the License for the specific
  * language governing permissions and limitations under the License.
  *
  * When distributing the software, include this License Header Notice in each
  * file and include the License file at packager/legal/LICENSE.txt.
  *
  * GPL Classpath Exception:
  * Oracle designates this particular file as subject to the "Classpath"
  * exception as provided by Oracle in the GPL Version 2 section of the License
  * file that accompanied this code.
  *
  * Modifications:
  * If applicable, add the following below the License Header, with the fields
  * enclosed by brackets [] replaced by your own identifying information:
  * "Portions Copyright [year] [name of copyright owner]"
  *
  * Contributor(s):
  * If you wish your version of this file to be governed by only the CDDL or
  * only the GPL Version 2, indicate your decision by adding "[Contributor]
  * elects to include this software in this distribution under the [CDDL or GPL
  * Version 2] license."  If you don't indicate a single choice of license, a
  * recipient has the option to distribute your version of this file under
  * either the CDDL, the GPL Version 2 or to extend the choice of license to
  * its licensees as provided above.  However, if you add GPL Version 2 code
  * and therefore, elected the GPL Version 2 license, then the option applies
  * only if the new code is made subject to such option by the copyright
  * holder.
  */
 
 package com.sun.enterprise.web.connector.grizzly.async;
 
A Task that wraps the execution of an asynchronous execution of a ProcessorTask. Internaly, this class invoke the associated AsyncExecutor method to execute the ProcessorTask lifecycle operations.

Author(s):
Jeanfrancois Arcand
 
 public class AsyncProcessorTask extends TaskBase implements AsyncTask {
 
    
The AsyncExecutor which drive the execution of the ProcesssorTask
 
     private AsyncExecutor asyncExecutor;

    
    
The ProcessorTask
 
     private ProcessorTask processorTask;
    
    
    
The current execution stage.
 
     private int stage = .;
    
    
    
Execute the AsyncExecutor based on the stage of the ProcessorTask execution.
 
     public void doTask() throws java.io.IOException {
         boolean contineExecution = true;
         while ( contineExecution ) {
             try{
                 switch(){
                     case .:
                         = .;                       
                        contineExecution = .preExecute();
                        break;                
                     case .:
                         = .;                        
                        contineExecution = .interrupt();
                        break;
                     case .:    
                        contineExecution = .execute();
                        = .;
                       break;                           
                    case .:    
                       contineExecution = .postExecute();
                        = .;
                       break;                
                }
            } catch (Throwable t){
                SelectorThread.logger().log(.,t.getMessage(),t);
                if (  <= .) {
                    // We must close the connection.
                     = .;
                } else {
                     = .;
                    throw new RuntimeException(t);
                }
            } finally {
                // If the execution is completed, return this task to the pool.
                if (  == .){
                     = .;
                    .getAsyncHandler().returnTask(this);
                }
            }
        } 
    }

    
    
Not used.
    @Override
    public void taskEvent(TaskEvent event) {
    }
    
    
Return the stage of the current execution.
    public int getStage(){
        return ;
    }
    
    
    
Reset the object.
    @Override
    public void recycle(){
         = .;
         = null;
        if ( instanceof DefaultAsyncExecutor){
            ((DefaultAsyncExecutor)).recycle();
        }
    }

    
    
Set the AsyncExecutor used by this Task to delegate the execution of a ProcessorTask.
    public void setAsyncExecutor(AsyncExecutor asyncExecutor){
        this. = asyncExecutor;
    }
    
    
    
Get the AsyncExecutor.
        return ;
    }
    
    
    
Set the ProcessorTask that needs to be executed asynchronously.
    public void setProcessorTask(ProcessorTask processorTask){
        this. = processorTask;
        if (  == null && processorTask != null) {
            setPipeline(processorTask.getPipeline());
        }        
    }
    
    
    
Return the ProcessorTask.
        return ;
    }

    
    
    public void setStage(int stage){
        this. = stage;
    }
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