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   * Copyright 1997-2007 Sun Microsystems, Inc. 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
  * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
  * Sun designates this particular file as subject to the "Classpath" exception
  * as provided by Sun in the GPL Version 2 section of the License file that
  * accompanied this code.  If applicable, add the following below the License
  * Header, with the fields enclosed by brackets [] replaced by your own
  * identifying information: "Portions Copyrighted [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;
This task execute and then notify its listener, which usualy execute on their own thread. The task perform the same operation as its parent, but the attached ProcessorTask execute on its own thread.

Jean-Francois Arcand
 public class AsyncReadTask extends DefaultReadTask {
     public AsyncReadTask(){
     // ----------------------------------------------------------------------//
     public void initialize(StreamAlgorithm algorithm,
                       boolean useDirectByteBufferboolean useByteBufferView){
          = algorithm.allocate(useDirectByteBuffer,
Read data from the socket and process it using this thread, and only if the StreamAlgorith stategy determine no more bytes are are needed.
     public void doTask() throws IOException {
Manage the SelectionKey
     protected void manageKeepAlive(boolean keepAlive,int count
             Exception exception){         
         // The key is invalid when the Task has been cancelled.
         if ( count <= 0 || exception != null){
             if ( exception != null){
                 // Make sure we have detached the processorTask
                 if (SelectorThread.logger().isLoggable(.)){
                            "SocketChannel Read Exception:",exception);

Execute the ProcessorTask

false if the request wasn't fully read by the channel. so we need to respin the key on the Selector.
    public boolean executeProcessorTask() throws IOException{                  
        boolean registerKey = false;
        if (SelectorThread.logger().isLoggable(.))
        if (  .getHandler() != null && .getHandler()
                .handle(null.) == . ){
            return true;
        // Get a processor task. If the processorTask != null, that means we
        // failed to load all the bytes in a single
        if ( == null){
        } else {
            // When spawnProcessorTask is true, we must reconfigure the 
            // ProcessorTask
        if ( == null){
             = new TaskContext();
             = new TaskEvent<TaskContext>();
        // Call the listener and execute the task on it's own pipeline.
        return false;
Clear the current state and make this object ready for another request.
    public void recycle(){
         = .postParse();   
         = null;

Set the underlying ByteBuffer used by this class.
    public void setByteBuffer(ByteBuffer srcBB){
        if ( srcBB != ){
            if (srcBB.capacity() > .capacity()) {
                 = .allocate(,
        } else {
             = srcBB;
Complete the transaction.
    public void terminate(boolean keepAlive){     
        if (keepAlive){
        } else {
            // Do not return AsyncReadTask to queue
Set appropriate attribute on the ProcessorTask.
    public void configureProcessorTask(){
        if ( !getTaskListeners().contains() ){
        if (!.getTaskListeners().contains(this)) {
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