topic Re: tJavaFlex - is that 1 input row automatically generate 1 output row? in Talend Studio

tJavaFlex - is that 1 input row automatically generate 1 output row?

Anonymous — Sat, 16 Nov 2024 03:44:42 GMT

I try following example:

1. Load a .csv file which contains 100 rows of data

2. Use tJavaFlex to create many segments, which contains 10 rows (mean that we have 10 segments for my sample data)

The tJavaFlex as follow:

StartCode:

int rowCount = 0; 
int currentBatch = 0;

Main Code:

if(rowCount%10==0 && rowCount!=0)
{
       //row4 = new row4Struct();
	row4.StartIndex = rowCount;
	row4.SegmentIndex = currentBatch;
	currentBatch++;
}
rowCount++;

and End Code

//row4 = new row4Struct();
row4.StartIndex = rowCount;
row4.SegmentIndex = currentBatch;

Do I need to declare ''//row4 = new row4Struct();" ?

And why the result return 100 rows, not 10 rows that I expect?

Re: tJavaFlex - is that 1 input row automatically generate 1 output row?

Anonymous — Thu, 09 Jan 2020 06:57:06 GMT

Hi
Yes, tJavaFlex always generate one output for each input row, so you can't create the segments like that.

Regards
Shong

Re: tJavaFlex - is that 1 input row automatically generate 1 output row?

Anonymous — Thu, 09 Jan 2020 07:14:50 GMT

Hello @shong

If so, the IF statement does not work, right?

if(rowCount%10==0 && rowCount!=0)

and if it generate one output for each input, I don't need to declare new the row4 ouput as followed, right?

row4 = new row4Struct();