package plp.sort;

import java.util.*;

public class AsciiTracer implements Observer {

    public void update(Observable o, Object arg) {
	SortableDataTracer.Operation op = (SortableDataTracer.Operation)arg;
	System.out.print(op.name() + " ");
	for (int i = 0; i < op.indices().length; ++i) {
	    System.out.print(op.indices()[i] + " ");
	}
	System.out.println();
    }

}