Multi Mapping for a simple scenario

Hi,
   i have   a scenario    i.e. from the source I'm getting some 10 fields of data..   like bellow..
Data:                      0--- Unbounded
    Company_Code   1-1
    Order_No            1-1
    Material              1-1
    Amount              1-1
but my requirement is.. in the receiver side i have two structures..
1)Receiver1
Data:                      0--- Unbounded
    Company_Code   1-1
    Order_No            1-1
2)Receiver2
Data:                      0--- Unbounded
    Company_Code   1-1
    Material              1-1
    Amount              1-1
if the Company Code is 1000 then   the data wil goes to First Receiver..   and if the Company Code is 2000 then the data will goes to Second Receiver
This is my requirement..
for this. idid IR point of view every thing correctly by using multi mapping.. even if i test the mapping that is working fine..
but in the ID(Integration Directory ) i'm not able to see any Interface mappings . in the Enhanced Interface detremination..    It was displaying No Objects Found.. message..
for that what can i do..   any suggestions.. please..
regards
Jain

Hi jain,
I think you confused with occurance.
For your recurement You created a structure with 0-unbounded in the Source and Receivers.
There is no need of change the Message type and Interface Name Structure occurances.
Just Do like belllow.
1. Mapping:
     select your source structure.
     select your Receiver structures.
     Put the condition for creating Nodes for the Receiver structures.
     There is No need of change occurances.
2.InterFace Mapping:
     Select Your source message Interface.
     Select your Receiver interfaces.
     Have (1 Mapping) 1 source ,2 Receivers.
     There is No need of change occurances.
Now go to Interface Determination.Choose extened.you will get your mapping.
Regards,
Prakasu

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Hi! All
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Message was edited by:
Aamir Suhail

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 I have a scenario with the following requirement
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Message was edited by: jithesh balakrishnan

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Christopher Kühn

Hi Udo,
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Error: 1:n multi-mapping using BPM for file to file scenario

Hi. Iu2019m trying to do 1:n multi-mapping using bpm scenario. I use file to file. Input file consists of many records and then I want many record to be transformed into many file at target system. I follow step in http://www.riyaz.net/blog/xipi-1n-multi-mapping-using-bpm/. However, I have a problem when file is retrieved in to XI. It doesnu2019t create any output file.
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IR
Data Type: DT_file_split -> for both input and output file
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Message Interface: SI_file_split_in, SI_file_split_out, SI_file_abs_source, SI_file_abs_target
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Hi,
Yes, thats the problem.
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 Message1
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<xml......>
<Messages>
<Message1>
<MT_...>
</MT_...>
</Message1>
</Messages>
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Regards,
Sami.

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Hello all,
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/people/venkataramanan.parameswaran/blog/2006/03/17/illustration-of-enhanced-receiver-determination--sp16
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Regards,
Jose

Hi,
You can also do this way
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Prakash

Issue with java mapping in a multi-mapping scenario

Hi
 We have a 1:n multiple mapping scenario in XI and the source is R3 proxy and target side is files. So, creating multiple file from a single message from R3 .
R3 --> XI --> Multiple files
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- <ns0:Message1>
<Transaction>
</Transaction>
<Transaction>
</Transaction></ns0:Message1>
</ns0:Messages>
wherein each Transaction node represents a file.
Now, we need to introduce a constant /string like
<!DOCTYPE Transaction PUBLIC \"-//XXXXXX//DTD BatchReceiptAuthorization//EN\" \"http://dtd.XXXXXXX.com/dtds/ReceiptAuthorization.dtd\">
on each of the files at the very beginning - i.e within each transaction node , in the above structure, we need the above DTD string to be written. To do this, we added a java mapping as the second mapping after the message mapping that creates this string. Is this the right approach and would it produce what we are expecting ?
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.Map;
import com.sap.aii.mapping.api.StreamTransformation;
import com.sap.aii.mapping.api.StreamTransformationException;
import com.sap.aii.mapping.api.StreamTransformationConstants;
import com.sap.aii.mapping.api.DynamicConfiguration;
import com.sap.aii.mapping.api.AbstractTrace;
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 AbstractTrace myTrace;
public void execute(InputStream input, OutputStream output) throws StreamTransformationException {
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 String Result,PayloadBody;
 int indexOfFirst;
 while ((sLine = reader.readLine()) != null) {
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 String StartingTag = XmlMsg.toString();
 indexOfFirst = StartingTag.indexOf("<MerchantID>") ;
 PayloadBody=new String(XmlMsg.substring(indexOfFirst));
 Result=NameSpacePrefix.concat(PayloadBody);
 output.write(Result.getBytes());
 /* Thread.sleep(200000); */
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 myTrace.addWarning("Exception raised in the JavaMapping:modifyNamespace.java""\n The Exception Message: " e.getMessage());
 throw new RuntimeException(e.getMessage()) ;
 } public void setParameter(Map param) {
 myTrace = (AbstractTrace) param
 .get(StreamTransformationConstants.MAPPING_TRACE);

Hi XI Gurus
 In my scenario, I sent the inputstream that is being passed to the Java execute method - to trace and I see that the whole of the xml file - as shown below - which is the output of message mapping ( from the first mapping step ) in sent to the execute method of the java mapping a single call
<ns0:Messages xmlns:ns0="http://sap.com/xi/XI/SplitAndMerge">
<ns0:Message1>
<Transaction> </Transaction>
<Transaction> </Transaction>
</ns0:Message1>
<ns0:Messages>
So, I modified Java mapping program to look for multiple occurences of <Transaction> tag and prefix them with my constant DTD Literal - which is the primary reason , why I had to use Java mappings after the message mapping.
Now, I get an error is XI- SXMB_MONI
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING" />
<SAP:P1>unexpected symbol; expected '<', '</', entity refe</SAP:P1>
<SAP:P2>rence, character data, CDATA section, processing i</SAP:P2>
<SAP:P3>0</SAP:P3>
<SAP:P4>113</SAP:P4>
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>The exception occurred (program: CL_XMS_MAIN===================CP, include CL_XMS_MAIN===================CM00A, line: 609)</SAP:Stack>
<SAP:Retry>M</SAP:Retry>
</SAP:Error>
Should I create multiple outputs - as many as the numberof target split files ( of type outputstream ) from the execute method in the java program ?

Multi-Keys for Maps

Is there a recommended way of storing values that depend on two keys? I need to get a value associated with (not calculated from) two parameters. For a simple example, I have a matrix of values like so:
\| A | B | C | D
-+---------------
α| 2 | 5 | 7 | 9
-+---+---+---+---
β| 5 | 8 | 1 | 4
-+---+---+---+---
γ| 3 | 7 | 9 | 2
-+---+---+---+---
δ| 6 | 0 | 5 | 1 In my case, the headers A-D and α-δ are enums. For a given RomanLetter (A-D) and GreekLetter (α-δ), I need the value. I have a set of data like this for each of a few thousand objects, though it could easily be a million some time in the future.
I could create a class which has three attributes: an int, a RomanLetter, and a GreekLetter, create a collection of these objects, and then iterate over the collection until I find the one that matches, but I'd like to do something a little more elegant than that for performance reasons as well as for uniqueness (there should never be more than one number for any given pair).
What would be the recommended way of doing this? A HashMap of HashMaps comes to mind, like so:
HashMap<RomanLetter, HashMap<GreekLetter, Integer>> But that seems awfully confusing and not very scalable.
I also thought of some kind of database-like data structure that I could query, but don't think this use case justifies using one of those fairly heavy-weight third-party solutions.
Any ideas?

JavaJason wrote:
Yes, I could do either of those. I didn't use the correct term in my original post. I said it that approach wasn't very "scalable". What I meant to say is that in the future if, say, I need a value based on three or four or more attributes, the code will become an unmaintainable mess. So while I technically could do that, I'd like to do something a bit easier to maintain.This will work perfectly:
Map<Pair<RomanLetter, GreekLetter>, Integer>Or rather,
Map<YourKey, Integer>Now, you would define your key using RomanLetter and GreekLetter. If you need to add another attribute you would tweak the definition of YourKey. Seems very reasonable to me.
>
The other possibility I thought of was creating a multi-dimensional array. So in the case of my example, the multi-dimensional array would look much like the matrix I listed. I tend to shy away from using the index of arrays to represent a particular association, because I feel that the association is often not obvious and when things get changed down the road, the association will be broken. However, I suppose if I create the matrix based on the ordinal of the enum, if and when the enum changes, the matrix will as well.That's equivalent to the nested Maps you first suggested.

Questions to a Mapping for IDOC-to-File Scenario

Hi all,
I want do develop a Message-Mapping for an IDOC-to-File Scenario. A SAP System sends an IDOC to the XI-System and the XI-System should make a mapping an send a XML-File to a FTP-Server. The Strukture of the target message is very easy:
<xdoc>
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 <extvalue/>
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</xdoc>
The source message is an IDOC. This IDOC can contain one or more positions (E1EDP01). Those different positions should be mapped into different LineItem's (see target structure) -> so in the target file one or more LineItems can appear.
Is it possible to implement this process with a common message-mapping or have I to implement a business process?
Thanks
with best regards
Christopher

Hi Christopher,
Is it possible to implement this process with a common message-mapping or have I to implement a business process? - This thing is possible with common message mapping......you dont need business proces for it.......in msg mapping after taking the source IDOC and target xml struc, map the E1EDP01 field to LineItem field.......just check the occurance of these nodes.....it should be 0..unbounded.........so as many E1EDP01 nodes will be there in idoc, that many LineItem nodes in target will be created.......
Thanks,
Rajeev Gupta

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