Doubt in this code can any one clarify this

this is a code in program generated by sap query
SELECT VBRKBUKRS VBRKBZIRK VBRKFKDAT VBRKKUNAG VBRK~SPART
       VBRKVBELN VBRKVKORG VBRKVTWEG VBRKXBLNR VBRP~FKIMG
       VBRPMATKL VBRPMATNR VBRPPOSNR VBRPVBELN VBRP~VKBUR
       VBRPVKGRP VBRPVRKME VBFAERDAT VBFAMEINS VBFA~POSNN
       VBFAPOSNV VBFARFMNG VBFAVBELN VBFAVBELV VBFA~VBTYP_N
       VBFA~VBTYP_V
INTO (VBRK-BUKRS , VBRK-BZIRK , VBRK-FKDAT , VBRK-KUNAG , VBRK-SPART
     , VBRK-VBELN , VBRK-VKORG , VBRK-VTWEG , VBRK-XBLNR , VBRP-FKIMG
     , VBRP-MATKL , VBRP-MATNR , VBRP-POSNR , VBRP-VBELN , VBRP-VKBUR
     , VBRP-VKGRP , VBRP-VRKME , VBFA-ERDAT , VBFA-MEINS , VBFA-POSNN
     , VBFA-POSNV , VBFA-RFMNG , VBFA-VBELN , VBFA-VBELV , VBFA-VBTYP_N
     , VBFA-VBTYP_V )
FROM ( VBRK
       INNER JOIN VBRP
       ON VBRPVBELN = VBRKVBELN
       INNER JOIN VBFA
       ON VBFAPOSNV = VBRPPOSNR
       AND VBFAVBELV = VBRPVBELN )
       WHERE VBRK~BUKRS IN SP$00009
         AND VBRK~BZIRK IN SP$00012
         AND VBRK~FKDAT IN SP$00002
         AND VBRK~KUNAG IN SP$00003
         AND VBRK~SPART IN SP$00013
         AND VBRK~VBELN IN SP$00001
         AND VBRK~VKORG IN SP$00010
         AND VBRK~VTWEG IN SP$00011
         AND VBRP~MATKL IN SP$00008
         AND VBRP~VKBUR IN SP$00015
         AND VBRP~VKGRP IN SP$00014
         AND VBFA~VBTYP_N IN SP$00004
         AND VBFA~VBTYP_V IN SP$00005.
  %DBACC = %DBACC - 1.
  IF %DBACC = 0.
    STOP.
  ENDIF.
  CHECK SP$00004.
  CHECK SP$00005.
  CHECK SP$00009.
  CHECK SP$00012.
  CHECK SP$00002.
  CHECK SP$00003.
  CHECK SP$00013.
  CHECK SP$00001.
  CHECK SP$00010.
  CHECK SP$00011.
  CHECK SP$00008.
  CHECK SP$00015.
  CHECK SP$00014.
  CHECK SP$00006.
  PERFORM TEXTFIELD_REFRESH(RSAQEXCE).
  PERFORM TEXTFIELD_CONTEXT(RSAQEXCE) USING 'VBRK' VBRK.
  PERFORM TEXTFIELD_CONTEXT(RSAQEXCE) USING 'VBRP' VBRP.
  PERFORM TEXTFIELD_CONTEXT(RSAQEXCE) USING 'VBFA' VBFA.
  PERFORM TEXTFIELD_CALL(RSAQEXCE) USING VBRP 'VBRP' 'MATKL'
          TEXT_VBRP_MATKL.
  PERFORM TEXTFIELD_CALL(RSAQEXCE) USING VBFA 'VBFA' 'VBTYP_N'
          TEXT_VBFA_VBTYP_N.
  PERFORM TEXTFIELD_CALL(RSAQEXCE) USING VBFA 'VBFA' 'VBTYP_V'
          TEXT_VBFA_VBTYP_V.
  ADD 1 TO %COUNT-VBRK.
  %LINR-VBRK = '01'.
  EXTRACT %FG01.
  %LINR-VBRK = '02'.
  EXTRACT %FG02.
  %EXT-VBRP02 = 'X'.
    EXTRACT %FGWRVBRP02.
  %LINR-VBRK = '03'.
  EXTRACT %FG03.
  %LINR-VBRK = '04'.
  EXTRACT %FG04.
  %EXT-VBFA04 = 'X'.
    EXTRACT %FGWRVBFA04.
  %LINR-VBRK = '05'.
  EXTRACT %FG05.
ENDSELECT.
in this code what check statement does

Hi Avinash kodarapu,
                The use of check statement is ...
Terminating a Loop Pass Conditionally
To terminate a single loop pass conditionally, use the
CHECK <condition> statement in the statement block of
the loop.
If the condition is not true, any remaining statements
in the current statement block after the CHECK statement
are ignored, and the next loop pass starts. <condition>
can be any logical expression.
DO 4 TIMES.
  CHECK SY-INDEX BETWEEN 2 and 3.
  WRITE SY-INDEX.
ENDDO.
The output is:
         2          3
The first and fourth loop passes are terminated without
the WRITE statement being processed, because SY-INDEX is
not between 2 and 3.
So what the check statement does is that it checks if
SPXXXXX values are null or not. If SPXXXXX values are
null the current loop terminates and starts with next
value for the select statement.
Hope this helps you.
Regards,
Maheswaran.B

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  • Can any one tell what is the problem in this code?

    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import java.awt.geom.*;
    import java.util.*;
    public class AppletTest2 extends JApplet implements ActionListener,MouseMotionListener,WindowListener{
    JFrame fr = new JFrame("Visual Tool -- Work Flow Editor");
         JPanel panel1 = new JPanel();
         JPanel panel2 = new JPanel();
         JButton sButton = new JButton("Source");
         JButton rButton = new JButton("Redirection");
         JButton dButton = new JButton("Destination");
         JButton connect = new JButton("Connect");
         BasicStroke stroke = new BasicStroke(2.0f);
         int flag = 1 ;
         Vector lines = new Vector();
         JButton sBut,rBut,dBut;
    int x1 = 0 ;
         int y1 = 0 ;
         int x2 = 0 ;
         int y2 = 0;
         int x3 = 0;
         int y3 = 0;
         int i=0;
         int j=0;
         int k=0;
         int l = 100;
    int b = 50;
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              /*********Frame ******************/
    fr.getContentPane().setLayout(new BorderLayout());
         fr.setSize(700,500);
              fr.getContentPane().add(panel1,BorderLayout.CENTER);
              fr.getContentPane().add(panel2,BorderLayout.SOUTH);
              fr.addWindowListener(this);
              /*****************PANEL 1*********************/
              panel1.setLayout(null);
    panel1.setBounds(new Rectangle(0,0,400,400));
              panel1.setBackground(new Color(105,105,205));
    /************************PANEL 2 *************/
              panel2.setLayout(new FlowLayout());
              panel2.setBackground(new Color(105,205,159));
              panel2.add(sButton);
              panel2.add(rButton);
              panel2.add(dButton);
              panel2.add(connect);
              connect.setToolTipText("Use this button after selecting From and To position to connect");
              /***************************LISTENER********************/
    sButton.addActionListener(this);
              rButton.addActionListener(this);
              dButton.addActionListener(this);
              connect.addActionListener(this);
              fr.setVisible(true);     
              fr.setResizable(false);
         } // init clse
    /************************** START METHOD **********************************************/
              public void start(){                                 
                   System.out.println("inside start");
                   paint(panel1.getGraphics());
    /*******************************APPLET METHODS **************************************************/
              public void stop(){}
              public void destroy(){}
    /******************************MOUSE MOTION LISTENERS METHOD*************************************/
              public void mouseMoved(MouseEvent e){System.out.println("moved");}
              public void mouseDragged(MouseEvent e){System.out.println("dragged");}
    /***************************************ACTION EVENT IMPLEMENTAION *******************************/
         public void actionPerformed(ActionEvent e){
              if (e.getSource().equals(sButton)){          
              sourceObject("Source Object");          
              else if (e.getSource().equals(rButton)){          
              redirectionObject("Redirection");
              i = i+1;
              else if (e.getSource().equals(dButton)){
              destinationObject("Destination");
                   j= j+1;
              else if (e.getSource().equals(connect)){
                   System.out.println("am inside connect");                
                   paint(panel1.getGraphics());               
    else if(e.getSource().equals(sBut)){
                   System.out.println("am s button");                
                   x1 = sBut.getX() + l;
                   y1 = sBut.getY() + (b/2);
              else if(e.getSource().equals(rBut)){
                   System.out.println("am r button");               
                   x2 = rBut.getX() ;
                   y2 = rBut.getY()+ b/2;
                   System.out.println("x2 : " + x2 + "y2 :" +y2 );
              else if(e.getSource().equals(dBut)){
                   System.out.println("am d button");                
                   x3 = dBut.getX();
    y3 = dBut.getY()+ b/2;
    } // action close
    /**********************Main **********************************/     
         public static void main(String args[]){
         JApplet at = new AppletTest2();
              at.init();
              at.start();
    /********************my methods starts here *******************/
         public void sourceObject(String name){     
    sBut = new JButton(name);
         panel1.add(sBut);
         sBut.setBounds(new Rectangle(20,208,l,b));     
         sBut.addActionListener(this);
    System.out.println("am inside the source object") ;
         public void redirectionObject(String name){     
         rBut = new JButton(name);
         panel1.add(rBut);
         rBut.setBounds(new Rectangle(290,208,l,b));     
    rBut.addActionListener(this);
    System.out.println("am inside the redirection :" + j) ;
    public void destinationObject(String name){     
         dBut = new JButton(name);
         panel1.add(dBut);     
    System.out.println("am inside the destination object") ;
    if (j == 0)
                   dBut.setBounds(new Rectangle(566,60,l,b));                    
                   System.out.println("am inside the destination:" + j) ;
                   } else if (j == 2)
                        dBut.setBounds(new Rectangle(566,208,l,b));     
                        System.out.println("am inside the destination :" + j) ;
                   } else if (j == 1)
    dBut.setBounds(new Rectangle(566,350,l,b));     
                        System.out.println("am inside the destination :" + j) ;
    dBut.addActionListener(this);
    /* public void connectObject(Object obj1,Object obj2){
    System.out.println("nothing");
    /************************************* PAINT **************************/
    public void paint(Graphics g){
         System.out.println("inside paint");
         Graphics2D g2 = (Graphics2D) g;
         g2.setStroke(stroke);
    if(flag == 1){
    System.out.println("inside flag");
    int np = lines.size();
                        System.out.println(np);
                             for (int I=0; I < np; I++) {                       
         Rectangle p = (Rectangle)lines.elementAt(I);
                             System.out.println("width" + p.width);
                             g2.setColor(Color.red);
                             g2.drawLine(p.x,p.y,p.width,p.height);
                             System.out.println(p.x +"" +""+ p.y + ""+ ""+ p.width+ "" + ""+ p.height);
    flag = -1;
    }else if(flag == -1){
         if(x1 != 0 && y1 != 0 && x2 != 0 && y2 != 0 ){
    // Graphics2D g2 = (Graphics2D) g;
         // g2.setStroke(stroke);
    g2.setColor(Color.red);
         g2.drawLine(x1,y1,x2,y2);
         lines.addElement(new Rectangle(x1,y1,x2,y2));     
         x1 = 0 ;y1 = 0 ;
         x2 = 0 ;y2 = 0 ;
    //     g2.drawLine(100,100,200,200);
    else if (x2 != 0 && y2 != 0 && x3 != 0 && y3 != 0 )
              // Graphics2D g2 = (Graphics2D) g;
                   // g2.setStroke(stroke);
              g2.setColor(Color.green);
                        g2.drawLine(x2,y2,x3,y3);
                        lines.addElement(new Rectangle(x2,y2,x3,y3));
                        x2 = 0; y2 = 0 ;
                        x3 = 0 ; y3 = 0 ;                    
    else if (x1 != 0 && y1 != 0 && x3 != 0 && y3 != 0)
                   //     Graphics2D g2 = (Graphics2D) g;
                   // g2.setStroke(stroke);
                   g2.setColor(Color.red);
                   g2.drawLine(x1,y1,x3,y3);
                        lines.addElement(new Rectangle(x1,y1,x3,y3));                              
                        x1 = 0; y1 = 0 ;
                        x3 = 0 ; y3 = 0 ;                    
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    /********************************WINDOW LISTENER IMPLEMENTATION *****************************/
    public void windowActivated(WindowEvent we) { 
              flag = 1;
              paint(panel1.getGraphics());
    System.out.println("windowActivated -- event 1");
         //start();               
         public void windowClosed(WindowEvent we) {
                                                                System.out.println("windowClosed -- 2");
         public void windowClosing(WindowEvent we){
                                                                System.out.println("windowClosing -- 3");
    public void windowDeactivated(WindowEvent we) {
                                                                     System.out.println("windowDeactivated -- 4");
    public void windowDeiconified(WindowEvent we) {
                                                                     flag = 1;
                                                                     System.out.println("windowDeiconified -- 5");          
                                                                     paint(panel1.getGraphics());           
    public void windowIconified(WindowEvent we) {           
                                                           System.out.println("windowIconified -- 6");
                                                           //paint(panel1.getGraphics());
    public void windowOpened(WindowEvent we) {             
                                                      //     flag = 1;
                                                      //     paint(panel1.getGraphics());
                                                           System.out.println("windowopened -- 7");     
    The problem am facing here is that when i minimize the frame and maximize , my old lines are getting disappared.
    For avoiding that i am storing the old coordinates and
    try to redraw , when maximize.
    but the lines are coming for flash of second and disappearing once again ?
    can any one help?
    thanks all

    Very interestingly the same code is repainting in
    Linux SUSE,jdk1.3.
    but not in WINNT , jdk 1.3
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    Does swing also uses native thread ???

  • Can any one debug this code????

    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    import java.awt.geom.*;
    import java.util.*;
    public class AppletTest2 extends JApplet implements ActionListener,MouseMotionListener,WindowListener{
    JFrame fr = new JFrame("Visual Tool -- Work Flow Editor");
         JPanel panel1 = new JPanel();
         JPanel panel2 = new JPanel();
         JButton sButton = new JButton("Source");
         JButton rButton = new JButton("Redirection");
         JButton dButton = new JButton("Destination");
         JButton connect = new JButton("Connect");
         BasicStroke stroke = new BasicStroke(2.0f);
         int flag = 1 ;
         Vector lines = new Vector();
         JButton sBut,rBut,dBut;
    int x1 = 0 ;
         int y1 = 0 ;
         int x2 = 0 ;
         int y2 = 0;
         int x3 = 0;
         int y3 = 0;
         int i=0;
         int j=0;
         int k=0;
         int l = 100;
    int b = 50;
    public void init(){
              /*********Frame ******************/
    fr.getContentPane().setLayout(new BorderLayout());
         fr.setSize(700,500);
              fr.getContentPane().add(panel1,BorderLayout.CENTER);
              fr.getContentPane().add(panel2,BorderLayout.SOUTH);
              fr.addWindowListener(this);
              /*****************PANEL 1*********************/
              panel1.setLayout(null);
    panel1.setBounds(new Rectangle(0,0,400,400));
              panel1.setBackground(new Color(105,105,205));
    /************************PANEL 2 *************/
              panel2.setLayout(new FlowLayout());
              panel2.setBackground(new Color(105,205,159));
              panel2.add(sButton);
              panel2.add(rButton);
              panel2.add(dButton);
              panel2.add(connect);
              connect.setToolTipText("Use this button after selecting From and To position to connect");
              /***************************LISTENER********************/
    sButton.addActionListener(this);
              rButton.addActionListener(this);
              dButton.addActionListener(this);
              connect.addActionListener(this);
              fr.setVisible(true);     
              fr.setResizable(false);
         } // init clse
    /************************** START METHOD **********************************************/
              public void start(){                                 
                   System.out.println("inside start");
                   paint(panel1.getGraphics());
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              public void stop(){}
              public void destroy(){}
    /******************************MOUSE MOTION LISTENERS METHOD*************************************/
              public void mouseMoved(MouseEvent e){System.out.println("moved");}
              public void mouseDragged(MouseEvent e){System.out.println("dragged");}
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         public void actionPerformed(ActionEvent e){
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              else if (e.getSource().equals(rButton)){          
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              i = i+1;
              else if (e.getSource().equals(dButton)){
              destinationObject("Destination");
                   j= j+1;
              else if (e.getSource().equals(connect)){
                   System.out.println("am inside connect");                
                   paint(panel1.getGraphics());               
    else if(e.getSource().equals(sBut)){
                   System.out.println("am s button");                
                   x1 = sBut.getX() + l;
                   y1 = sBut.getY() + (b/2);
              else if(e.getSource().equals(rBut)){
                   System.out.println("am r button");               
                   x2 = rBut.getX() ;
                   y2 = rBut.getY()+ b/2;
                   System.out.println("x2 : " + x2 + "y2 :" +y2 );
              else if(e.getSource().equals(dBut)){
                   System.out.println("am d button");                
                   x3 = dBut.getX();
    y3 = dBut.getY()+ b/2;
    } // action close
    /**********************Main **********************************/     
         public static void main(String args[]){
         JApplet at = new AppletTest2();
              at.init();
              at.start();
    /********************my methods starts here *******************/
         public void sourceObject(String name){     
    sBut = new JButton(name);
         panel1.add(sBut);
         sBut.setBounds(new Rectangle(20,208,l,b));     
         sBut.addActionListener(this);
    System.out.println("am inside the source object") ;
         public void redirectionObject(String name){     
         rBut = new JButton(name);
         panel1.add(rBut);
         rBut.setBounds(new Rectangle(290,208,l,b));     
    rBut.addActionListener(this);
    System.out.println("am inside the redirection :" + j) ;
    public void destinationObject(String name){     
         dBut = new JButton(name);
         panel1.add(dBut);     
    System.out.println("am inside the destination object") ;
    if (j == 0)
                   dBut.setBounds(new Rectangle(566,60,l,b));                    
                   System.out.println("am inside the destination:" + j) ;
                   } else if (j == 2)
                        dBut.setBounds(new Rectangle(566,208,l,b));     
                        System.out.println("am inside the destination :" + j) ;
                   } else if (j == 1)
    dBut.setBounds(new Rectangle(566,350,l,b));     
                        System.out.println("am inside the destination :" + j) ;
    dBut.addActionListener(this);
    /* public void connectObject(Object obj1,Object obj2){
    System.out.println("nothing");
    /************************************* PAINT **************************/
    public void paint(Graphics g){
         System.out.println("inside paint");
         Graphics2D g2 = (Graphics2D) g;
         g2.setStroke(stroke);
    if(flag == 1){
    System.out.println("inside flag");
    int np = lines.size();
                        System.out.println(np);
                             for (int I=0; I < np; I++) {                       
         Rectangle p = (Rectangle)lines.elementAt(I);
                             System.out.println("width" + p.width);
                             g2.setColor(Color.red);
                             g2.drawLine(p.x,p.y,p.width,p.height);
                             System.out.println(p.x +"" +""+ p.y + ""+ ""+ p.width+ "" + ""+ p.height);
    flag = -1;
    }else if(flag == -1){
         if(x1 != 0 && y1 != 0 && x2 != 0 && y2 != 0 ){
    // Graphics2D g2 = (Graphics2D) g;
         // g2.setStroke(stroke);
    g2.setColor(Color.red);
         g2.drawLine(x1,y1,x2,y2);
         lines.addElement(new Rectangle(x1,y1,x2,y2));     
         x1 = 0 ;y1 = 0 ;
         x2 = 0 ;y2 = 0 ;
    //     g2.drawLine(100,100,200,200);
    else if (x2 != 0 && y2 != 0 && x3 != 0 && y3 != 0 )
              // Graphics2D g2 = (Graphics2D) g;
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              g2.setColor(Color.green);
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    Message was edited by: Lisa Roy
    Message was edited by: Lisa Roy
    Message was edited by: Lisa Roy

    This is what I meant. Copy this and try as it is and see if it serves your purpose.
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