/*
 * Simple TSP using branch & bound
 */
package edu.ucsb.cs.jicos.examples.tsp;
import edu.ucsb.cs.jicos.applications.branchandbound.*;
import edu.ucsb.cs.jicos.services.*;
import edu.ucsb.cs.jicos.services.shared.*;
import java.rmi.*;
import java.util.*;
/**
 * @author Peter Cappello
 * @version 1.0
 */
public class Application 
{
    public static void main (String args[]) throws Exception
    {
        if  ( args.length != 2 ) 
	    {
		System.out.println("Command line: <HSP DomainName> <number>"); 
		System.exit(1);
	    }
        // get Hsp machine's domain name from the command line.
        String hspDomainName = args[ 0 ];
        
        // construct pseudo-random TSP instance
        int  nodes = Integer.parseInt( args[1] );
        long seed = nodes;
        int  maxEdgeWeight = nodes;
        TSP tsp = new TSP( nodes, seed, maxEdgeWeight );
        
        // construct Shared upperBound
        Shared upperBound = new IntUpperBound( Integer.MAX_VALUE );
        
        // construct the computation's Environment
        Environment environment = new Environment( tsp, upperBound );
        
        // construct root task
        Solution emptySolution = new TspSolution( nodes );
        Task task = new BranchAndBound( emptySolution );
        
        // get a reference to a Host Service Provider
        HspAgent agent = new HspAgent( hspDomainName );
        Client2Hsp hsp = agent.getClient2Hsp();
            
        // login
        hsp.login( environment );

        // compute
        Solution solution = (Solution) hsp.compute( task );
            
        // logout
        Invoice invoice = hsp.logout();
            
        // print the solution & invoice
        System.out.println( solution );
        System.out.println( invoice );
    }
}