package edu.ucsb.cs.jicos.examples.fastfibonacci;
import edu.ucsb.cs.jicos.services.*;
import edu.ucsb.cs.jicos.services.tasks.*;

final public class F extends Task 
{
    private final static int THRESHOLD = 30;
    
    private int n;
    
    public F( int n ) { this.n = n; }
	
    public Object execute ( Environment environment )
    {
        if ( n < 30 )
        {
            compute( new Atom( n ) );
        }
        else
        {            
            compute( new F( n - 1 ) );
            compute( new F( n - 2 ) );
        }
        return new AddInteger();
    }
}