Line number logic in a vo attribute

HI
There is a line number field in my entity( and vo) which i want to default to number lines in my view object +1.
Is there any way of doing this using groovy expression?
Navneet

Well, as long as you can't handle the simultaneous input of lines (which you can't in a web application) your use case doesn't make sense. There is no gapless sequence. Each and every solution which promise to work, does not.
Here is what you can do: When inserting a new row count the actual number of rows (e.g. select count(*) from table) add one to the count (or use the number you get if your rows are zero based, try to commit the new row. If you get an error check if it's a multiple primary key error and add 1 to the line no and try to commit again. At one time you success to commit the new row.
However, you can't do this in groovy. You have to write plenty of java for this. However, I can't guarantee that this will generate a gapless line number as you might run into a race condition where two module (users) try to insert a new row at exactly the same time.
Timo

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Hi Experts;
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import java.awt.*;
import javax.swing.*;
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The_Developer

Here's what I use. It behaves correctly WRT wrapped lines, and should work equally well with a JTextArea or a JTextPane.
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.SizeSequence;
import javax.swing.UIManager;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.Element;
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*<pre>
*   JTextArea ta = new JTextArea();
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Will reward points.
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Hi Kumar,
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Regards,
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Delivery schedule line number in sales order is not populated in productio

Hi all,
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Hi,
Check in the below link.
relation between VBEP-ETENR and LIKP-VBELN
Thanks,
Sree.

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dear all,
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s , n
0 , 123
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thx for any light

jdb gets line number of fields from class file, not
source file definitely.I'm not really sure how you tested this, but here's my test, and JDB definitely gets its listing from the source file.
First, I created and compiled class Tester:
public class Tester
    public static void main( String[] argv )
    throws Exception
        Tester x = new Tester();
        System.out.println(x.toString());
    int     x;
    int     y;
    private Tester()
        x = 0;
        y = 1;
}Then, I ran this in JDB. Note lines 16 and 17 in the output from "list":
H:\Workspace>jdb Tester
Initializing jdb ...
stop in Tester.mainDeferring breakpoint Tester.main.
It will be set after the class is loaded.
runrun Tester
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
>
VM Started: Set deferred breakpoint Tester.main
Breakpoint hit: "thread=main", Tester.main(), line=12 bci=0
12            Tester x = new Tester();
main[1] list
8    {
9        public static void main( String[] argv )
10        throws Exception
11        {
12 =>         Tester x = new Tester();
13            System.out.println(x.toString());
14        }
15
16        int     x;
17        int     y;
main[1] quit
Tester@b82368Then I edited the source file. Again, look at lines 16 and 17:
H:\Workspace>jdb Tester
Initializing jdb ...
stop in Tester.mainDeferring breakpoint Tester.main.
It will be set after the class is loaded.
runrun Tester
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
>
VM Started: Set deferred breakpoint Tester.main
Breakpoint hit: "thread=main", Tester.main(), line=12 bci=0
12            Tester x = new Tester();
main[1] list
8    {
9        public static void main( String[] argv )
10        throws Exception
11        {
12 =>         Tester x = new Tester();
13            System.out.println(x.toString());
14        }
15
16        int     a;
17        int     b;
main[1]

Line number logic in a vo attribute

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