/* ----------------------------------------------------------------------------------- */
/*                                                                                     */
/*       D A T A   W A R E H O U S E   G E N E R A T O R  A P P L I C A T I O N        */
/*                                                                                     */
/*                                     Frans Coenen                                    */
/*                                                                                     */
/*                                    21 January 2000                                  */
/*                                                                                     */
/* ----------------------------------------------------------------------------------- */

/* Application program to generate a binary database from which association rules may be
generated. */

class GeneratorApp {
    
    /*--------------------------------------------------------------------------*/
    /*                                                                          */
    /*                                 METHODSS                                 */
    /*                                                                          */
    /*--------------------------------------------------------------------------*/
    
    /* MAIN: Top level applications method */
    
    public static void main(String[] args) throws java.io.IOException {
	Generator newGenerator;
	
	// Proceed according to number of arguments
	
	switch (args.length) {
	    case 0:
	    	newGenerator = new Generator();
		break;
	    case 1:
	    	newGenerator = new Generator(Integer.parseInt(args[0]));
		break;
	    case 2:
	    	newGenerator = new Generator(Integer.parseInt(args[0]),Integer.parseInt(args[1]));
		break;
	    case 3:
	    	newGenerator = new Generator(Integer.parseInt(args[0]),Integer.parseInt(args[1]),
				Integer.parseInt(args[2]));
		break;
	    case 4:
	    	newGenerator = new Generator(Integer.parseInt(args[0]),Integer.parseInt(args[1]),
				Integer.parseInt(args[2]),args[3]);
		break;	
	    default:
		System.out.println("ERROR: Unidentified number of arguments using only first three");
                newGenerator = new Generator(Integer.parseInt(args[0]),Integer.parseInt(args[1]),
				Integer.parseInt(args[2]),args[3]);			
	    }
	    
	//  Produce the table
	
	generateTable(newGenerator);    
	}
	
    /* GENERATE TABLE: Method to outout the required table. */
    	
    private static void generateTable(Generator newGenerator) throws java.io.IOException {
      
        // Generate table
	
	// newGenerator.outputTable();
	newGenerator.outputFile();
	} 
    }