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  /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
   * 
   * 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 https://glassfish.dev.java.net/public/CDDL+GPL.html
  * 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;
 
Wrapper object used by the WorkerThread

Author(s):
Jean-Francois Arcand
 
 public interface Task extends RunnableCallable{
       
     // Simple flag to avoid calling instanceof
     public static int ACCEPT_TASK = 0;
     public static int READ_TASK = 1;
     public static int PROCESSOR_TASK = 2;

    
Return this Tash type.
 
     public int getType();
    
    
Execute the task.
 
     public void doTask() throws IOException;


    
Cancel the task.
 
     public void cancelTask(String messageString httpCode);


    
Set the SelectionKey
 
     public void setSelectionKey(SelectionKey key);
    
    
    
Return the SelectionKey associated with this tasks.
 
     public SelectionKey getSelectionKey();

    
    
Set the SelectorThread used by this task.
 
     public void setSelectorThread(SelectorThread selectorThread);
    
    
    
Returns the SelectorThread used by this task.
 
     public SelectorThread getSelectorThread();


    
Gets the RequestGroupInfo from this task.
     
    public RequestGroupInfo getRequestGroupInfo();


    
Returns true if monitoring has been enabled, false otherwise.
    public boolean isMonitoringEnabled();


    
Gets the KeepAliveStats associated with this task.
    public KeepAliveStats getKeepAliveStats();

    
    
Add a Task to this class.
    public void addTaskListener(TaskListener task);

    
    
Remove a Task to this class.
    public void removeTaskListener(TaskListener task);
    
    
    
Execute this task by using the associated Pipeline. If the Pipeline is null, the task's doTask() method will be invoked.
   
    public void execute();
    
    
    
Recycle this task.
    public void recycle();
    
    
    
Return the ArrauList containing the listeners.
    public ArrayList getTaskListeners(); 


    
Remove all listeners
    public void clearTaskListeners();


    
Recycle the Task after every doTask invokation.
    public void setRecycle(boolean recycle);


    
Return true if this Task will be recycled.
    public boolean getRecycle();

    
    
Set the pipeline on which Worker Threads will synchronize.
    public void setPipeline(Pipeline pipeline);
    
    
    
Return the pipeline used by this object.
    public Pipeline getPipeline();  
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