Problem with mapping

[Former Member]

Source

Message		1..1
   MessageDataType  1..1
      messageId   xsd:string
   Datatype2Node  1..1
      objectId    xsd:string
      Datatype3Node  0..n
         symbol      xsd:string

Destination

Messages        1..1
   Message1     1..1
     Datatype4Message 0..n (datatype4)
	Datatype3Node 1..1 (the same type as datatype3Node)	
          Symbol   xsd:string
        AdditionalNode 1..1 (of some other Datatype5)
          messageId   xsd:string
	  objectId    xsd:string

Datatype4 is build as two fields of type Datatype3/Datatype5 - both 1..1

Fields are mapped like names suggest, node Datatype3Node is mapped to Datatype3Node.

When there is only one record in node Datatype3Node (source) everything works ok.

When I try tu test it with 2 records I get "Cannot create target element" error for AdditionaNode and it's subelements.

When I map constants to AdditionaNode and it's subelements - works ok for multiple source elements.

How to "multiply" those 1..1 source elements to correctly satisfy target mapping?

TIA

Best regards

Maciej

[Former Member]

I've managed to solve this in way described in this blog:

http://sapxitutorials.blogspot.com/2009/07/minimize-memory-usage-during-message.html

Thanks for any support

Regards

Maciej

[Former Member]

try to map like this :

Datatype3Node 0..n -

---

map------ > Datatype4Message 0..n (datatype4)

then try to map fields of Src Datatype3Node to respective filed of Dest. Datatype3Node & AdditionalNode

[Former Member]

> Datatype3Node 1..1 (the same type as datatype3Node)

Change the occurrance of Datatype3Node as 0..unbounded, then it will work.

Do same with AdditionalNode.

[stefan_grube]

> How to "multiply" those 1..1 source elements to correctly satisfy target mapping?

If a source value comes exactly one time, then you can use constant function "copyValue" to multiply it to target.