UDF Help

[Former Member]

Hi All

I'm new to PI, and I'm interested in learning and creating UDF's.

Could anyone tell me what are the prerequisites to learn UDF in PI.

I know core java, I've seen few UDF snippets "collections" are included there. So what other topics are needed?

Any documents or links to UDF are appreciated.

Thanks & Regards,

Abhinaya

[azharshaikh · Accepted solution]

Hi Abhinaya,

Please check the following for more details on UDF

User-Defined Functions and Function Libraries - SAP NetWeaver Process Integration - SAP Library

PI 7.0 and 7.1 Mapping - Blogs, Articles, Wiki, Code Samples and Videos Collections - Process Integr...

http://wiki.scn.sap.com/wiki/display/XI/User+Defined+Function

If you are on Single stack / 7.31+, you can also try creating UDF with NWDS tool

Regards,
Azhar

[Former Member · Accepted solution]

Is it necessary to use java IDE to write UDF? My PI version is 7.3

[azharshaikh · Accepted solution]

Hi,

You can write the UDF in your MM directly and do a syntax check  using F7....

However if you are writing a complex UDF, you can always code it in IDE (Eclipse tool) and also test it / debug if required..

Regards,

Azhar

[iaki_vila · Accepted solution]

Hi Abinaya,

In your PI version is not necessary, you can develop your java code directly in the ESR, check Sunil Chandra's blog

However, if you want to debug the code you only have the possibility to add trace.addLog in your code, if you want a relevant debug environment you will need an external IDE and to download the PI API (aii_map_api.jar) for your PI version in local. This wiki can be helpful Where to get the libraries for XI development - Process Integration - SCN Wiki

Hope this helps.

Regards.

[Former Member · Accepted solution]

That link will definitely help me a lot!! Thank yo Iñaki Vila and Azhar Shaikh. Which all topics in JAVA I should be knowing to write UDF? I know Core Java.

[azharshaikh · Accepted solution]

Hi Abinaya,

Basic knowledge of Java is sufficient since you already have a coding background. You need to understand commonly used functions in UDFs and standard java APIs.

Please refer similar queries for further details:

Regards,

Azhar

[Former Member]

Hi,

You may find a lots of help from SCN and help.sap.com by using a simple search.

To start with here are few url's which would help you.

http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=79954137

User-Defined Functions - Managing Services in the Enterprise Services Repository - SAP Library

Thanks,

Sudhansu

[iaki_vila]

Hi Abinaya,

For UDF development you need to know a bit of JAVA and later you need to know how PI mapping works with the queue and context terms.

To develop UDF you can check these links:

User-Defined Functions and Function Libraries - SAP NetWeaver Process Integration - SAP Library

UDF Execution Type - Context and Queue. - Process Integration - SCN Wiki

If you search by SCN or google you can find more links quickly.

Regards.