package edu.vt.marian.uip;

import java.io.*;
import java.net.*;
import java.util.*;
import edu.vt.marian.common.*;



/** 
    class name: client_uip_call_back_thread
    class description: this class is responsible to send call back process
                       to the call back processor from client uip
    uses the services of class(es): debug, rpc_function, client_uip
                                    call_back_processor, 
	designer(s): Jianxin Zhao (jxzhao@csgrad.cs.vt.edu)
	implementator(s): Xuelei Sun (xusun@csgrad.cs.vt.edu)
	finished time: December 8, 1998
	known bugs:
	JDK version: 1.1.5
	side effects:
*/

public class client_uip_call_back_thread extends Thread
{


	/** 
		This is for debugging
	*/
	Debug debug;

	/** 
		This is the rpc_function to be passed
	*/
	private rpc_function rf;

	/**
		This is the call back processor to do the actually rpc function call
	*/
	private call_back_processor cbp;

	/**
		This is the client uip which the process comes from
	*/
	private client_uip cu;


	/**
		method description:	this constructor will create a client_uip_call_back_thread object
							based on the information given by the parameters
		uses the services of class(es): Debug
		input parameter(s): client_uip cu, the client uip which the process comes from
							rpc_function, which the function need to be passed
							call_back_process, which do the actually call back process job
							Debug debug, debug object
		output parameter(s): none
		return value: none
		synchronization consideration: none
	*/
	public client_uip_call_back_thread (client_uip cu, rpc_function rf, call_back_processor cbp, Debug debug)
	{
		//set the debug
		this.debug = debug;
		 
		//set the rpc_function
		this.rf = rf;

		//set the call back process
		this.cbp = cbp;

		//set the client uip
		this.cu = cu;

	}

	/**
		method description:	this run pass the function to the call back processor
		uses the services of class(es): call_back_processor
		input parameter(s): none
		output parameter(s): none
		return value: none
		synchronization consideration: none
	*/
	public void run()
	{
		if ((cbp == null) || (rf == null) || (cu == null))
		{
			debug.dumpTrace("class client_uip_call_back_thread, method run, one or more of the data members is null");
			return;
		}
		cbp.process_call_back(cu, rf);
	}
}