Swing worker question -- two lines performing a similar task concurrently

Hi,
I've been playing around with swingworker.
The code below has a window with two buttons and two text areas.
When you click a button, the text area will count out 10000 random numbers, and print "done." when it's finished.
Each of the buttons works when pressed separately (one is running while the other is idle) But I can't push one, then the other and have the tasks run independantly.
One stops and abruptly finishes while the other pauses.
Sorry to post a lot of code, I'm going through the tutorials, I've looked at the example from the tutorial pretty extensivley, but that is only running one task.
thanks.
bp
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import javax.swing.border.Border;
import javax.swing.BorderFactory;
import java.awt.Insets;
import javax.swing.*;
import javax.swing.SwingWorker;
public class TestGui2 extends JFrame{
 JButton button1;
 JButton button2;
 JTextArea tArea1;
 JTextArea tArea2;
 Border border;
 public void buildGui(){
 JPanel mainPanel = new JPanel();
 mainPanel.setLayout(new GridBagLayout());
 GridBagConstraints mpc = new GridBagConstraints();
 mpc.insets = new Insets(3, 10, 3, 10);
 border = BorderFactory.createLoweredBevelBorder();
 JLabel titleLabel = new JLabel("<html><h1>GridBagLayout Test Gui</h1></html>");
 mpc.weightx=0.5;
 mpc.fill = GridBagConstraints.CENTER;
 mpc.gridx=1;
 mpc.gridy=0;
 mainPanel.add(titleLabel, mpc);
 button1 = new JButton("run job1");
 button1.addActionListener(new Button1Listener());
 mpc.weightx=0.5;
 mpc.fill = GridBagConstraints.EAST;
 mpc.gridx=0;
 mpc.gridy=1;
 mainPanel.add(button1, mpc);
 tArea1 = new JTextArea("sample text");
 tArea1.setBorder(border);
 mpc.weightx=0.5;
 mpc.fill = GridBagConstraints.HORIZONTAL;
 mpc.gridx=1;
 mpc.gridy=1;
 mainPanel.add(tArea1, mpc);
 button2 = new JButton("run job2");
 button2.addActionListener(new Button2Listener());
 mpc.weightx=0.5;
 mpc.fill = GridBagConstraints.EAST;
 mpc.gridx=0;
 mpc.gridy=2;
 mainPanel.add(button2, mpc);
 tArea2 = new JTextArea("sample text");
 tArea2.setBorder(border);
 mpc.weightx=0.5;
 mpc.fill = GridBagConstraints.HORIZONTAL;
 mpc.gridx=1;
 mpc.gridy=2;
 mainPanel.add(tArea2, mpc);
 // frame settings
 add(mainPanel);
 setSize(700,450);
 setTitle("TestGui2");
 setDefaultCloseOperation(EXIT_ON_CLOSE);
 setVisible(true);
 // inner classes
 class Button1Listener implements ActionListener{
 public void actionPerformed(ActionEvent e) {
 BigJobWorker worker = new BigJobWorker();
 worker.execute();
 class Button2Listener implements ActionListener{
 public void actionPerformed(ActionEvent e) {
 BigJobWorker2 worker2 = new BigJobWorker2();
 worker2.execute();
 //SwingWorker class
 class BigJobWorker2 extends SwingWorker<Void, Void>{
 protected Void doInBackground(){
 try{
 for(int i=0; i<10000;i++){
 int num2 = (int)(Math.random() * 100);
 Integer integerNum2 = num2;
 tArea2.setText("iteration: " + i + " " + integerNum2.toString());
 //ReallyBigJob rbj = new ReallyBigJob();
 //tArea1.setText(rbj.doBigJob().toString());
 tArea2.setText("done.");
 } catch (Exception e3){
 e3.printStackTrace();
 return null;
 private class BigJobWorker extends SwingWorker<Void, Void>{
 protected Void doInBackground(){
 try{
 for(int i=0; i<10000;i++){
 int num = (int)(Math.random() * 100);
 Integer integerNum = num;
 tArea1.setText("iteration: " + i + " " + integerNum.toString());
 //ReallyBigJob rbj = new ReallyBigJob();
 //tArea1.setText(rbj.doBigJob().toString());
 tArea1.setText("done.");
 } catch (Exception e2){
 e2.printStackTrace();
 return null;
 public static void main(String[] args) {
 javax.swing.SwingUtilities.invokeLater(new Runnable() {
 public void run() {
 TestGui2 test = new TestGui2();
 test.buildGui();
BTW, I realize this code isn't as OOO as it could be (2 SwingWorker classes that do the same thing, 2 listeners that do the same thing) But I wanted to isoloate the problem first.
thanks.
Also, it's not impossible the program is working properly, it just finishes before the textArea can be updated.
Edited by: badperson on Feb 28, 2008 8:24 AM
Edited by: badperson on Feb 28, 2008 8:57 AM

Hi,
I reworked the code, and it now sort of works What I had wanted was to watch each window increment at the same rate, independant of each other. This will show a number in the window intemittenly, but not in a smooth continuous flow.
 class BigJobWorker2 extends SwingWorker<Void, String>{
 @Override
 protected Void doInBackground(){
 try{
 for(int i=0; i<100000;i++){
 int num2 = (int)(Math.random() * 100);
 Integer integerNum2 = num2;
 //tArea2.setText("iteration: " + i + " " + integerNum2.toString());
 publish("iteration: " + i + " " + integerNum2.toString());
 //ReallyBigJob rbj = new ReallyBigJob();
 //tArea1.setText(rbj.doBigJob().toString());
 publish("done.");
 } catch (Exception e3){
 e3.printStackTrace();
 tArea2.setText("EXCEPTION:");
 return null;
 // override process method
 @Override
 protected void process(List<String> messages) {
 Iterator i = messages.iterator();
 while (i.hasNext()){
 String message = (String)i.next();
 tArea2.setText(message);
 } // end BigJobWorker2thanks,
badperson

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end;
end bec_file_test;

Pending PR to process (detail report)01-17-13 12:43:19 PM--------------------------------------------------------------------------------------------------------------------------------------------------Req.no. li Re Site Prj Id Act seq Part no Description Qty UOM want rec dt lat ord dt--------------------------------------------------------------------------------------------------------------------------------------------------MAT/250370 | 2| 1|ISCSP | 4977| 100004207| 0104000016|Angle 50 X 50 X 6 IS:2062 Grade |500|kg |30-NOV-2012| 20-nov-2012MAT/250370 | 3| 1|ISCSP | 4977| 100004207| 0105000002|Channel 100 X 50 IS:2062 Grade A | 1000|kg | 30-NOV-2012| 20-nov-2012MAT/250579 | 2| 1|NMDCJ | 6001| 100005580| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 2991|kg | 13-DEC-2012| 03-dec-2012MAT/250606 | 2| |NMDCJ | 6002| 100005860| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 4500|kg | 29-DEC-2012| 19-dec-2012MAT/250607 | |1|NMDCJ|6001|100005580| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 1500|kg | 29-DEC-2012| 19-dec-2012MAT/250194 | 3| 1|NMDCJ | 6002| 100005818| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 3939|kg | 29-DEC-2012| 19-dec-2012MAT/250606 | 4| 1|NMDCJ | 6002| 100005860| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 39000|kg | 29-DEC-2012| 19-dec-2012MAT/250607 | 4| 1|NMDCJ | 6001| 100005580| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 17500|kg | 29-DEC-2012| 19-dec-2012MAT/250194 | 2| 1|NMDCJ | 6002| 100005818| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 12183|kg | 29-DEC-2012| 19-dec-2012MAT/250606 | 6| 1|NMDCJ | 6002| 100005860| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 9500|kg | 29-DEC-2012| 19-dec-2012MAT/250607 | 6| 1|NMDCJ | 6001| 100005580| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 4500|kg | 29-DEC-2012| 19-dec-2012MAT/250194 | 6| 1|NMDCJ | 6002| 100005818| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 17500|kg | 29-DEC-2012| 19-dec-2012MAT/250607 | 7| 1|NMDCJ | 6001| 100005580| 0109020008|TMT Bar 32 mm Fe 415 IS:1786 | 22000|kg | 29-DEC-2012| 19-dec-2012MAT/250194 | 7| 1|NMDCJ | 6002| 100005818| 0109020008|TMT Bar 32 mm Fe 415 IS:1786 | 27060|kg | 29-DEC-2012| 19-dec-2012MAT/251138 | 1| 1|NMDCJ | 6002| 100005825| 3501000001|Cement 50 kg | 1|pkt | 25-DEC-2013| 14-dec-2013--------------------------------------------------------------------------------------------------------------------------------------------------
where as source file is like that:-
Pending PR to process (detail report)
01-17-13 12:43:19 PM
Req.no. li Re Site Prj Id Act seq Part no Description Qty UOM want rec dt lat ord dt
MAT/250370 | 2| 1|ISCSP | 4977| 100004207| 0104000016|Angle 50 X 50 X 6 IS:2062 Grade | 5500|kg | 30-NOV-2012| 20-nov-2012
MAT/250370 | 3| 1|ISCSP | 4977| 100004207| 0105000002|Channel 100 X 50 IS:2062 Grade A | 1000|kg | 30-NOV-2012| 20-nov-2012
MAT/250579 | 2| 1|NMDCJ | 6001| 100005580| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 2991|kg | 13-DEC-2012| 03-dec-2012
MAT/250606 | 2| 1|NMDCJ | 6002| 100005860| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 4500|kg | 29-DEC-2012| 19-dec-2012
MAT/250607 | 2| 1|NMDCJ | 6001| 100005580| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 1500|kg | 29-DEC-2012| 19-dec-2012
MAT/250194 | 3| 1|NMDCJ | 6002| 100005818| 0109020002|TMT Bar 10 mm Fe 415 IS:1786 | 3939|kg | 29-DEC-2012| 19-dec-2012
MAT/250606 | 4| 1|NMDCJ | 6002| 100005860| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 39000|kg | 29-DEC-2012| 19-dec-2012
MAT/250607 | 4| 1|NMDCJ | 6001| 100005580| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 17500|kg | 29-DEC-2012| 19-dec-2012
MAT/250194 | 2| 1|NMDCJ | 6002| 100005818| 0109020004|TMT Bar 16 mm Fe 415 IS:1786 | 12183|kg | 29-DEC-2012| 19-dec-2012
MAT/250606 | 6| 1|NMDCJ | 6002| 100005860| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 9500|kg | 29-DEC-2012| 19-dec-2012
MAT/250607 | 6| 1|NMDCJ | 6001| 100005580| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 4500|kg | 29-DEC-2012| 19-dec-2012
MAT/250194 | 6| 1|NMDCJ | 6002| 100005818| 0109020006|TMT Bar 25 mm Fe 415 IS:1786 | 17500|kg | 29-DEC-2012| 19-dec-2012
MAT/250607 | 7| 1|NMDCJ | 6001| 100005580| 0109020008|TMT Bar 32 mm Fe 415 IS:1786 | 22000|kg | 29-DEC-2012| 19-dec-2012
MAT/250194 | 7| 1|NMDCJ | 6002| 100005818| 0109020008|TMT Bar 32 mm Fe 415 IS:1786 | 27060|kg | 29-DEC-2012| 19-dec-2012
MAT/251138 | 1| 1|NMDCJ | 6002| 100005825| 3501000001|Cement 50 kg | 1 |pkt | 25-DEC-2013| 14-dec-2013
Ignore alignment. It is well formatted in source file.

SAP Script : to display the material description in two lines

Hi All,
I'm working on scripts.
the material description field is been passed from my driver program ..into the script..
Ex: &gs_final-maktx& ..
There r a number of other fields to be displayed ...after this field ....
Is there any option to split the 'Material description into two lines'?
Ex: at present it is :
This is material description
Requirement is:
This is material
description
I mean that there a number of field berfore and after this field......in the same line
I need to jst split the materia description ...& make it to appear in two lines.....!!
Expecting your suggestions....
Edited by: vidya vidya on Nov 11, 2008 3:17 PM
Edited by: vidya vidya on Nov 11, 2008 3:20 PM

FM TEXT_SPLIT ?
..but i handled this by code.
DATA:      zzboldsx(18) TYPE c,
      zzboldsx2(18) TYPE c,
      zzboldsx3(18) TYPE c,
      zzboldsx4(18) TYPE c.
DATA: i_lines TYPE STANDARD TABLE OF tline WITH HEADER LINE ,
        r_lines TYPE tline,
        v_cnt LIKE sy-tabix.
CALL FUNCTION 'READ_TEXT'
    EXPORTING
      client                  = sy-mandt
      id                      = stxh-tdid
      language                = stxh-tdspras
      name                    = name
      object                  = stxh-tdobject
    TABLES
      lines                   = i_lines[]
    EXCEPTIONS
      id                      = 1
      language                = 2
      name                    = 3
      not_found               = 4
      object                  = 5
      reference_check         = 6
      wrong_access_to_archive = 7
      OTHERS                  = 8.
IF sy-subrc = 0.
* Only 4 lines of Header text supported. Can add if needed
    LOOP AT i_lines INTO r_lines.
      CONDENSE r_lines-tdline NO-GAPS.
      v_cnt = v_cnt + 1.
      CASE v_cnt.
        WHEN 1.
          zzboldsx = r_lines-tdline.
        WHEN 2.
          zzboldsx2 = r_lines-tdline.
        WHEN 3.
          zzboldsx3 = r_lines-tdline.
        WHEN 4.
          zzboldsx4 = r_lines-tdline.
        WHEN OTHERS.
          EXIT.
      ENDCASE.
*   zzbolDSX = i_lines-tdline .
    ENDLOOP.

Displaying data in Two line in ALV report

Hi,
I want to know how to display the data in alv in two lines for Fild name as well as for fild value
like in below case
wa_fieldcata-fieldname = 'WRBTR'.
   wa_fieldcata-seltext_l = 'AMOUNT IN DOCUMENT CURRENCY'.
   wa_fieldcata-outputlen = 18.
   wa_fieldcata-DO_SUM     = 'X'.
   APPEND wa_fieldcata TO it_fieldcat.
   CLEAR wa_fieldcata.
by this on alv COLUMN headig is coming as 'AMOUNT IN DOCUMENT CURRENCY' in one linw i want to display 'AMOUNT IN '   in first line and then 'DOCUMENT CURRENCY' below that
'AMOUNT IN
DOCUMENT CURRENCY' ***
similarly how to display value of three fidls in one column
like for a vendor   I have one column Vandor name in that column i want to display from table LFA1,
NAME1
NAME2
NAME3
NAME4,
in one column only how to do it.
regards,
zafar

Hi,
Ref . early reply can u help me how to uset his in ALV code and can u give some example for this how to display it in two lines as my column heading is of 60 characters 5 word i want to display it in two line in one column only .
How to use : SLIS_EV_AFTER_LINE_OUTPUT
to get this.
or is there any other method.
regards,
zafar

How to display two-lines strings item

Hi,
How can I display list of two-line string items? Each Item in the list should have a phone number and a time. It should look similar to the "dialled numbers" display where each item has an image, and two-line string.
Is it possible doing it with the high-level API or should I go low-level?
Thanks in advance
Imzadi

use: list.setFitPolicy(Choice.TEXT_WRAP_ON)

File adapter-How to set line break in text file-split record into two lines

Dear Guru's,
I have to solve following problem with XML (with mulitiple records) to TEXT file scenario using file adapter. I have to output for ever ONE data record in XML always two identical lines in text file. Second line should have a little bit different mapping in few fields like date,... So I did duplicate fileds in my output structure in mapping and need to know how to set line break in the middle and see half of structure in first line and next structure half in second line
My output structure in mapping is:
CASHFLOW
- INTERFACE
- GESELLSCHAFT
- ANWENDUNG
- PRODUKT
- VERTRAG
- BETRAG
- WAEHRUNG
- DIRECTION
- BEWEGUNGSTYP
- FAELLIGKEIT
- ZINSFESTSTELLUNG
- ZAHLUNGSTAG
- RENDITE
- INTERFACE2
- GESELLSCHAFT2
- ANWENDUNG2
- PRODUKT2
- VERTRAG2
- BETRAG2
- WAEHRUNG2
- DIRECTION2
- BEWEGUNGSTYP2
- FAELLIGKEIT2
- ZINSFESTSTELLUNG2
- ZAHLUNGSTAG2
- RENDITE2
Question is how can I set on receiving file adapter in Content Conversion Parameters that fields from first structure half INTERFACE...RENDITE should be outputed in one line and fields from second half of structure INTERFACE2...RENDITE2 should start on second line in final text file.
I'm getting at the moment one line only and I need to know how can set line break so that second line starting with INTERFACE2(CA)...RENDITE2 will start in new line.
CA,"0100","7","512",20090127010001,-12454762586.6800,"EUR",2,12,2009-01-28,2009-01-27,2009-01-28,"0.0000000",CA,"0100","7","512",20090127010001,-12454762586.6800,"EUR",1,10,2009-01-27,2009-01-27,2009-01-27,"0.0000000"
This should be final output:
CA,"0100","7","512",20090127010001,-12454762586.6800,"EUR",2,12,2009-01-28,2009-01-27,2009-01-28,"0.0000000"
CA,"0100","7","512",20090127010001,-12454762586.6800,"EUR",1,10,2009-01-27,2009-01-27,2009-01-27,"0.0000000"
My file adapter settings:
RecordsetStructure=CASHFLOW
CASHFLOW.fieldNames=INTERFACE,GESELLSCHAFT,ANWENDUNG,PRODUKT,VERTRAG,BETRAG,WAEHRUNG,DIRECTION,BEWEGUNGSTYP,FAELLIGKEIT,ZINSFESTSTELLUNG,ZAHLUNGSTAG,RENDITE
CASHFLOW.fieldSeparator=,
CASHFLOW.endSeparator='nl'
CASHFLOW.fieldNames=INTERFACE2,GESELLSCHAFT2,ANWENDUNG2,PRODUKT2,VERTRAG2,BETRAG2,WAEHRUNG2,DIRECTION2,BEWEGUNGSTYP2,FAELLIGKEIT2,ZINSFESTSTELLUNG2,ZAHLUNGSTAG2,RENDITE2
CASHFLOW.fieldSeparator=,
It wont help if I add two identical structures in mapping because in output i would see for multiple entries section with first lines only and after that section with second lines only. And CASHFLOW is one part of more complex mapping ...
(This is final output structure RecordsetStructure=HEADER,CASHFLOW,CONDITION,REFERENCE,CONTRACT - more sections with different data and all these should have duplicate lines at the end)
Thanks a lot for any help
Cheers
Marian
Edited by: Marian Luscon on Jul 14, 2009 11:44 AM

Hi Ivan,
right, I did test just for sure.
Putting constant 'nl' into field CASHFLOW-INTERFACE1 didnt help - still getting one line instead two lines.
CA ,"0100" ,"7" ,"512" ,20090127GTP101 ,-12454762586.6800 ,"EUR" ,2 ,12 ,2009-01-28 ,2009-01-27 ,2009-01-28 ,"0.0000000" ,'nl' ,"GTP1" ,"7" ,"512" ,20090127GTP101 ,-12454762586.6800 ,"EUR" ,1 ,10 ,2009-01-27 ,2009-01-27 ,2009-01-27 ,"0.0000000"
So there is still question. Is there any way (mapping,...) how to output always 2 lines in text file for one record in XML. It always does 1 record in mapping structure = 1 line but we need 2 lines ...
Example:
Input: 4 records in XML
Output: 8 lines in final text file ...
Thanks to you all guys
Marian

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