Index: WorkerThread.java
===================================================================
--- WorkerThread.java	(revision 308)
+++ WorkerThread.java	(working copy)
@@ -25,7 +25,7 @@
 import java.nio.ByteBuffer;
 
 /**
- * Simple interface to allow the addition of  <code>Thread</code> attributes.
+ * Simple interface to allow the addition of <code>Thread</code> attributes.
  *
  * @author Jean-Francois Arcand
  */
@@ -45,4 +45,25 @@
      */
     public ByteBuffer getByteBuffer();
     
+    
+    /**
+     * Detach the current set of attributes (state) associated with this instance.
+     * Invoking detach(true) will re-create all the ByteBuffer associated with
+     * this thread, hence this method must be called only when required. If
+     * you only need to invoke the object, call detach(false) instead but make 
+     * sure you aren't caching or re-using the ThreadAttachment with another
+     * thread.
+     * @param true to copy the attributes into the ThreadAttachment and re-create
+     *             them
+     * @return a new ThreadAttachment
+     */
+    public ThreadAttachment detach(boolean copyState);
+    
+    
+    /**
+     * Attach the ThreadAttachment to this instance. This will configure this
+     * Thread attributes like ByteBuffer, SSLEngine, etc.
+     * @param ThreadAttachment the attachment.
+     */
+    public void attach(ThreadAttachment threadAttachment);
 }
Index: WorkerThreadImpl.java
===================================================================
--- WorkerThreadImpl.java	(revision 308)
+++ WorkerThreadImpl.java	(working copy)
@@ -70,22 +70,28 @@
     /**
      * The encrypted ByteBuffer used for handshaking and reading request bytes.
      */
-    private ByteBuffer inputBB;
+    protected ByteBuffer inputBB;
 
 
     /**
      * The encrypted ByteBuffer used for handshaking and writing response bytes.
      */
-    private ByteBuffer outputBB;
+    protected ByteBuffer outputBB;
 
 
     /**
      * The <code>SSLEngine</code> used to manage the SSL over NIO request.
      */
-    private SSLEngine sslEngine;
-   
+    protected SSLEngine sslEngine;
     
+    
     /**
+     * The state/attributes on this WorkerThread.
+     */
+    private ThreadAttachment threadAttachment = new ThreadAttachment();
+    
+    
+    /**
      * Create a Thread that will synchronizes/block on
      * <code>Pipeline</code> instance.
      * @param threadGroup <code>ThreadGroup</code>
@@ -233,5 +239,53 @@
     public void setSSLEngine(SSLEngine sslEngine) {
         this.sslEngine = sslEngine;
     }
+
+    
+    /**
+     * Detach the current set of attributes (state) associated with this instance.
+     * Invoking detach(true) will re-create all the ByteBuffer associated with
+     * this thread, hence this method must be called only when required. If
+     * you only need to invoke the object, call detach(false) instead but make 
+     * sure you aren't caching or re-using the ThreadAttachment with another
+     * thread.
+     * @param true to copy the attributes into the ThreadAttachment and re-create
+     *             them.
+     * @return a new ThreadAttachment
+     */
+    public ThreadAttachment detach(boolean copyState) {
+        try{
+            threadAttachment.setByteBuffer(byteBuffer);
+            threadAttachment.setSSLEngine(sslEngine);
+            threadAttachment.setInputBB(inputBB);
+            threadAttachment.setOutputBB(outputBB);
+            
+            return threadAttachment;
+        } finally {
+            // We cannot cache/re-use this object as it might be referenced
+            // by more than one thread.   
+            if (copyState){
+                // Re-create a new ByteBuffer
+                byteBuffer = ByteBufferFactory.allocateView(8192,false);
+                threadAttachment = new ThreadAttachment();
+            }
+            threadAttachment.setThreadId(getName() + "-" + getId());          
+        }
+    }
+
+    
+    /**
+     * Attach the ThreadAttachment to this instance. This will configure this
+     * Thread attributes like ByteBuffer, SSLEngine, etc.
+     * @param ThreadAttachment the attachment.
+     */
+    public void attach(ThreadAttachment threadAttachment) {
+        byteBuffer = threadAttachment.getByteBuffer();
+        sslEngine = threadAttachment.getSSLEngine();
+        inputBB = threadAttachment.getInputBB();
+        outputBB = threadAttachment.getOutputBB();
+        
+        this.threadAttachment = threadAttachment;   
+        threadAttachment.setThreadId(getName() + "-" + getId());
+    }
 }
 
/*
 * The contents of this file are subject to the terms 
 * of the Common Development and Distribution License 
 * (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/CDDLv1.0.html or
 * glassfish/bootstrap/legal/CDDLv1.0.txt.
 * See the License for the specific language governing 
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL 
 * Header Notice in each file and include the License file 
 * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
 * If applicable, add the following below the CDDL Header, 
 * with the fields enclosed by brackets [] replaced by
 * you own identifying information: 
 * "Portions Copyrighted [year] [name of copyright owner]"
 * 
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 */
package com.sun.grizzly.util;

import java.nio.ByteBuffer;
import java.util.WeakHashMap;
import javax.net.ssl.SSLEngine;

/**
 * This object represent the state of a <code>WorkerThread</code>. This include
 * the ByteBuffer binded to the WorkerThread, application data etc.
 * @author Jeanfrancois
 */
public class ThreadAttachment {
     
    
    private long timeout;
    
    
    private String threadId;
    
    
    private WeakHashMap<String,Object> map; 
        
    
    private ByteBuffer byteBuffer;
    
    
    /**
     * The encrypted ByteBuffer used for handshaking and reading request bytes.
     */
    private ByteBuffer inputBB;


    /**
     * The encrypted ByteBuffer used for handshaking and writing response bytes.
     */
    private ByteBuffer outputBB;


    /**
     * The <code>SSLEngine</code> used to manage the SSL over NIO request.
     */
    private SSLEngine sslEngine;

    
    public ThreadAttachment(){
        map = new WeakHashMap<String,Object>();
    }

    
    public void setAttribute(String key, Object value){
        map.put(key,value);
    }

    
    public Object getAttribute(String key){
        return map.get(key);
    }
    
    
    public Object removeAttribute(String key){
        return map.remove(key);
    }
    
    /**
     * Set the <code>ByteBuffer</code> shared this thread
     */
    public void setByteBuffer(ByteBuffer byteBuffer){
        this.byteBuffer = byteBuffer;
    }
    
    
    /**
     * Return the <code>ByteBuffer</code> shared this thread
     */
    public ByteBuffer getByteBuffer(){
        return byteBuffer;
    }
 
    
    /**
     * Return the encrypted <code>ByteBuffer</code> used to handle request.
     * @return <code>ByteBuffer</code>
     */
    public ByteBuffer getInputBB(){
        return inputBB;
    }
    
    
    /**
     * Set the encrypted <code>ByteBuffer</code> used to handle request.
     * @param inputBB <code>ByteBuffer</code>
     */    
    public void setInputBB(ByteBuffer inputBB){
        this.inputBB = inputBB;
    }
 
    
    /**
     * Return the encrypted <code>ByteBuffer</code> used to handle response.
     * @return <code>ByteBuffer</code>
     */    
    public ByteBuffer getOutputBB(){
        return outputBB;
    }
    
    
    /**
     * Set the encrypted <code>ByteBuffer</code> used to handle response.
     * @param outputBB <code>ByteBuffer</code>
     */   
    public void setOutputBB(ByteBuffer outputBB){
        this.outputBB = outputBB;
    }
    
         
    /**
     * Set the <code>SSLEngine</code>.
     * @return <code>SSLEngine</code>
     */
    public SSLEngine getSSLEngine() {
        return sslEngine;
    }

        
    /**
     * Get the <code>SSLEngine</code>.
     * @param sslEngine <code>SSLEngine</code>
     */
    public void setSSLEngine(SSLEngine sslEngine) {
        this.sslEngine = sslEngine;
    }    

    
    public String getThreadId() {
        return threadId;
    }

    
    public void setThreadId(String threadId) {
        this.threadId = threadId;
    }

    
    public void setTimeout(long timeout){
        this.timeout = timeout;
    }
    
}