package uk.ac.leeds.ccg.cluster;
/** Knn_ST test parameters class
 */
import java.io.*;
import java.awt.*;
import java.awt.event.*;
public class Knn_STTimeParameters extends SpaceTimeParameters
{
    // Version id
    private static final String version = "$id$";

    // Members
    /**@param k Number of nearest neighbours 
     */
    private int k; // Number of nearest neighbours 

    // Constructors
    public Knn_STTimeParameters(){
	setDefaultSpaceTimeParameters();
    }

    public Knn_STTimeParameters(File file)
	throws IOException,FileNotFoundException{
        // Read into a stream tokenised buffered input stream
	StreamTokenizer st = new StreamTokenizer
	    ( new BufferedReader
		( new InputStreamReader
		    ( new FileInputStream (file))));
	System.out.println ("Setting Knn_ST parameters from "+file);
	st.nextToken();
	if (st.sval.equalsIgnoreCase("true")) {setAnimate(true);}
	else {setAnimate(false);}	
	st.nextToken();
	setK((int)st.nval);
	st.nextToken();
	setNumRuns((int)st.nval);
	st.nextToken();
	setSignificanceThreshold(st.nval);
    }

    public Knn_STTimeParameters(boolean animate,
			 int k,
			 int numRuns,
			 double thresh){
	setAnimate(animate);
	setK(k);
	setNumRuns(numRuns);
	setSignificanceThreshold(thresh);
    }

    // Methods
    public String toString(){
        return
	    "[animate "+getAnimate()+"]\n"+
	    "[Number nearest neighbours "+getK()+"]\n"+
	    "[Number of runs "+getNumRuns()+"]\n";
    }

    public void setTimeParameters(boolean animate,
			      int k,
			      int numRuns,
			      double thresh){
	setAnimate(animate);
	setK(k);
	setNumRuns(numRuns);
	setSignificanceThreshold(thresh);
    }

    public void setDefaultSpaceTimeParameters(){
	setK(2);
	super.setDefaultSpaceTimeParameters();
    }

    public int getK() {return k;}
    public void setK(int i) {k=i;}

    public void writeSpaceTimeParameters(File file)
	throws IOException,FileNotFoundException{    
	PrintWriter pw = new PrintWriter
	    ( new BufferedWriter
		( new OutputStreamWriter
		    ( new FileOutputStream (file))));
	pw.println(getAnimate());
	pw.println(getK());
	pw.println(getNumRuns());
	pw.println(getSignificanceThreshold());
	System.out.println ("SpaceTimeParameters saved to "+file);
	pw.flush();
	pw.close();
    }
}