package uk.ac.leeds.ccg.cluster;
import uk.ac.leeds.ccg.geotools.*;
import uk.ac.leeds.ccg.widgets.*;

import java.util.*;
//import com.sun.java.util.collections.*; //change for 1.2!

public abstract class SimpleMethod implements Method{
    Database database;
    SignificanceTest significanceTest;
    public void setData(Database d){database=d;}
    
    public void setSignificanceTest (SignificanceTest st) {
				System.out.println("Simple Method seting "+st);
        significanceTest=st;
        significanceTest.setParameters(getParameters());
    }
		public SignificanceTest getSignificanceTest(){
			return significanceTest;
		}
    
    Vector listeners = new Vector();
    
    
    public void removeProgressEventListener(ProgressEventListener lcl)
    {
        listeners.removeElement(lcl);
    }
    public void addProgressEventListener(ProgressEventListener lcl)
    {
        listeners.addElement(lcl);
    }
    
    public void notifyProgressEventListener(double progress){
        Vector l;
        ProgressChangedEvent lce = new ProgressChangedEvent(this,progress);
        synchronized(this) {l = (Vector)listeners.clone(); }
        
        for (int i = 0; i < l.size();i++) {
            ((ProgressEventListener)l.elementAt(i)).progressChanged(lce);
        }
    }
    
}