Nested Loop Issue

, ,
1

Hi Friends,
I am just a starter and need basic but detailed solution. I have to implement nested loop in the following situation:

– I have bizdocs as pipeline input where I can have multiple bizdoc instances like :
BizDocs
– BizDocs[0]
– BizDocs[1]
.
.
– BizDocs[M]

– Within a bizdoc[M], I have contentParts as an attribute which also can have multiple instances like :

- BizDocs  
  -- BizDocs[0] 
    --ContentParts[0] 
    --ContentParts[1] 
    --ContentParts[N] 
 -- BizDocs[M] 
   -- ContentParts[0] 
   -- ContentParts[N]

I hope you understand the input structure. Within ContentParts, I have attribute called length. I need to traverse each and every contentParts and execute a branch on the basis of length. But each and every step, I need to process corresponding contentParts portion.

I have seen many options like append to Doc List or converting into XMLValues etc. I do not want such solutions but simple one which I can use in webMethods Developer’s flow service.
I have so far implemented written following flow service:

loop (over ‘/BizDocs’)
loop (over ‘/BizDocs/contentParts’)
– Execute my service.
I am not defining any output array since I do not know how to handle them. I request someone to prepare such a working flow service in developer and send a screenshot to me along with step by step instruction. I am hopeful that starter like me will benefit from this group.

2

Hello,

Yemi Bedu

3

Thanx for your advise. Infact, my main problem is not to get length of contentParts (I know it). My issue deals with writing loop part. I have tried it and even pasted the code written by me in my message. I am really confused about providing subscript operator part.
bizdocs[0]/contentParts[0]/length works fine but the problem is that it works only for first contentPart for first Bizdoc. I want to include iterations for each and every contentPart. I hope you understand my difficulty. Any way thanx for your swift and honest reply.

4

Naveen,

loop (over ‘/BizDocs’)
loop (over ‘/BizDocs/contentParts’)
–Branch(set evaluate labels to true)
----Execute my service1(set the label to %bizdoc/Contents/length%=for whatever length you want to execute this service).
----Execute my service2(set the label to %bizdoc/Contents/length%=for whatever length you want to execute this service).

HTH
ramesh.

5

Hi Ramesh,
I am thankful to you for providing a clear and up to the point explanation. I guess you mean :

loop (over ‘/BizDocs’)
loop (over ‘/BizDocs/contentParts’)
–Branch(set evaluate labels to true)
----Execute my service1(set the label to %bizdoc/ContentParts/length%=for whatever length you want to execute this service).
----Execute my service2(set the label to %bizdoc/ContentParts/length%=for whatever length you want to execute this service).

I will try it tomorrow in office and update you about the results. Do I need to invoke MAP after every loop construct?
Good day

6

Naveen,

No need to invoke map step.

ramesh.