cattellapplet.java

Java的面向对象数据库系统的源代码

// $Id: CattellApplet.java,v 1.2 2003/04/11 14:47:39 per_nyfelt Exp $

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.io.*;
import org.ozoneDB.tools.ChartCanvas;


/** */
public class CattellApplet extends Applet implements ActionListener, ItemListener {


    /** */
    class BenchmarkThread extends Thread {
        private boolean chartOnly = true;
        private String[] args = null;


        /** */
        public BenchmarkThread( boolean co, String[] a ) {
            chartOnly = co;
            args = a;
        }


        /** */
        public void run() {
        }
    }


    /** */
    public class AppletWriter extends Writer {


        /** */
        public AppletWriter() {
        }


        /** */
        public void write( char[] cbuf, int off, int len ) throws IOException {
            String text = new String( cbuf, off, len );
            if (outText != null) {
                outText.append( text );
            }
            if (chart != null) {
                int tpos = text.indexOf( "time: " );
                if (tpos > -1) {
                    tpos += 6;
                    int mpos = text.indexOf( "ms", tpos );
                    if (mpos > -1) {
                        chart.appendTime( new Integer( text.substring( tpos, mpos ).trim() ).intValue() );
                    }
                }
            }
        }


        /** */
        public void flush() throws IOException {
        }


        /** */
        public void close() throws IOException {
        }
    }

    /** */
    protected Button startButton;
    protected Choice testChoice;
    protected TextField sizeText;
    protected TextField nameText;
    protected TextField serverText;
    protected TextArea outText;
    protected Label statusLabel;
    protected ChartCanvas chart;


    /** */
    public void init() {
        init( false );
    }


    /** */
    public void init( boolean chartOnly ) {
        setLayout( new BorderLayout() );

        if (!chartOnly) {
            Panel panel = new Panel();
            panel.setLayout( new FlowLayout( FlowLayout.LEFT ) );

            startButton = new Button( " Start " );
            startButton.setFont( new Font( "Monospaced", Font.BOLD, 14 ) );
            startButton.addActionListener( this );
            panel.add( startButton );

            testChoice = new Choice();
            testChoice.add( "Help" );
            testChoice.add( "1 Create" );
            testChoice.add( "2 Lookup" );
            testChoice.add( "3 Traversal" );
            testChoice.add( "4 Ins & del" );
            testChoice.add( "5 Insert" );
            testChoice.add( "6 Ins*1000" );
            testChoice.add( "7 Traversal" );
            testChoice.add( "8 Insert" );
            testChoice.addItemListener( this );
            panel.add( testChoice );

            sizeText = new TextField( "1000", 5 );
            sizeText.setFont( new Font( "Monospaced", Font.PLAIN, 12 ) );
            sizeText.addActionListener( this );
            //panel.add (new QuickLabel ("Size: "));
            panel.add( sizeText );

            nameText = new TextField( "cattell", 9 );
            nameText.setFont( new Font( "Monospaced", Font.PLAIN, 12 ) );
            nameText.addActionListener( this );
            //panel.add (new QuickLabel ("Name: "));
            panel.add( nameText );

            serverText = new TextField( "localhost", 9 );
            serverText.setFont( new Font( "Monospaced", Font.PLAIN, 12 ) );
            serverText.addActionListener( this );
            //panel.add (new QuickLabel ("Server: "));
            panel.add( serverText );

            add( "North", panel );

            panel = new Panel();
            panel.setLayout( new BorderLayout() );

            outText = new TextArea();
            panel.add( outText, "North" );

            chart = new ChartCanvas();
            panel.add( chart, "Center" );

            add( "Center", panel );

            statusLabel = new Label( "Test:Build - Size:1000 - Name:cattell " );
            add( "South", statusLabel );
        } else {
            chart = new ChartCanvas();
            add( "Center", chart );
        }
    }


    /** */
    public void itemStateChanged( ItemEvent e ) {
        String[] defaults = {"0", "1000", "100", "7", "100", "100", "10", "10", "10"};
        if (testChoice.getSelectedIndex() > -1) {
            sizeText.setText( defaults[testChoice.getSelectedIndex()] );
        }
    }


    /** */
    public void actionPerformed( ActionEvent e ) {
        int test = testChoice.getSelectedIndex();
        int size = Integer.valueOf( sizeText.getText() ).intValue();
        String name = nameText.getText();
        String server = serverText.getText();
        statusLabel.setText( "Test:" + test + " Size:" + size + " Name:" + name );

        String[] args = {"" + test, "" + size, "" + name, "" + server};
        runBenchmark( args );
    }


    /** */
    public void runBenchmark( String[] args ) {
        CattellImpl.main( args );
    }


    /** */
    static class MyAdapter extends WindowAdapter {


        public void windowClosing( WindowEvent e ) {
            System.exit( 0 );
        }
    }


    /** */
    public static void main( String[] args ) {
        boolean chartOnly = false;
        String[] cattellArgs = new String[0];
        int argCount = 0;

        if (args.length > 0) {
            for (int i = 0; i < args.length; i++) {
                if (args[i].equals( "-chart" )) {
                    chartOnly = true;
                    argCount++;
                }
            }
        }

        Frame f = new Frame( "Cattell Benchmark" );
        CattellApplet applet = new CattellApplet();

        applet.init( chartOnly );
        applet.start();

        f.add( "Center", applet );
        f.pack();
        f.setSize( chartOnly ? 300 : 500, chartOnly ? 120 : 400 );
        f.show();
        f.addWindowListener( new MyAdapter() );

        cattellArgs = new String[args.length - argCount];
        System.arraycopy( args, argCount, cattellArgs, 0, cattellArgs.length );
        cattellArgs = applet.chart.filterAndApplyArgs( cattellArgs );
        if (chartOnly) {
            applet.runBenchmark( cattellArgs );
        }
    }
}