Mapping Logic in XI for Idoc to File

Question

Hi All,
I have the scenario like this Idoc to File
I have Quantity field inside E1EDL24(Line Item)--E1EDL43Quantity, i have to Sum up the Quantity field.
I have used the ligic like this and works perfectly.
Quantity--Sum-Total and the context od Quantity is set to IDOC level.
Now the problem is, Inside the Line item(E1EDL24) Segment, we have E1EDL43 Segment and this E1EDL43 can repeats twice
then, i have to consider only first Segment quantity value coming from E1EDL43 . I should not take the second E1EDL43 segment .
But here in my case what is  happening is while doing the SUM function it is considering the second segment quantity also. and giving the total.
For Example...
-E1EDl24
--E1EDL43
---Quantity -
20
--E1EDL43
---Quantity -
30
And second line item
-E1EDl24
--E1EDL43
---Quantity -
10
--E1EDL43
---Quantity -
50
In this case i shld get 20 + 10 = 30
But iam getting 203010+50 = 110 which is not correct.
Please help me on this
Regards

Answer 1

set the context to Idoc level
use the UDF
int sum=0;
for(int i=0;i<a.length;i++)
sum =sum + Integer.parseInt(a<i>);
i++;
String res = sum;
return res;
Do the mapping as
Quantity----->UDF---->Total
this  logic works if  E1EDL43 should  repeats twice