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package com.sun.grizzly.arp;

import com.sun.grizzly.http.ProcessorTask;
import com.sun.grizzly.http.Task;

/**
 * A {@link Task} that wraps the execution of an asynchronous execution
 * of a {@link ProcessorTask}. 
 *
 * @author Jean-Francois Arcand
 */
public interface AsyncTask extends Task{
    
    public final static int PRE_EXECUTE = 0;
    public final static int INTERRUPTED = 1;
    public final static int POST_EXECUTE = 2;
    public final static int FINISH = 3;
    public final static int COMPLETED = 4;
    public final static int EXECUTE = 5;
    
    /**
     * Get the {@link AsyncExecutor}.
     */
    public AsyncExecutor getAsyncExecutor();
    
    
    /**
     * Return the stage of the current execution.
     */
    public int getStage();

    
    /**
     * Set the {@link AsyncExecutor} used by this {@link Task}
     * to delegate the execution of a {@link ProcessorTask}.
     */
    public void setAsyncExecutor(AsyncExecutor asyncExecutor);

    
     /**
     * Set the {@link ProcessorTask} used to execute the request processing.
     * @param task a {@link ProcessorTask} 
     * @deprecated - Use {@link AsyncExecutor#setProcessorTask}
     */    
    public void setProcessorTask(ProcessorTask task);
    
    
    /**
     * The {@link ProcessorTask} used to execute the request processing.
     * @return {@link ProcessorTask} used to execute the request processing.
     * @deprecated - Use {@link AsyncExecutor#getProcessorTask}
     */        
    public ProcessorTask getProcessorTask();   

}