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Custom Adapter Module Development - SAP PI 7.1
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Added by Rangarajan, last edited by Rangarajan on Aug 08, 2011 (view change)
This Wiki describes the following:
Overview of SAP NetWeaver Process Integration ( PI ) Overview of Adapter Modules
Sample use case
This also describes about the custom adapter modules in PI 7.1 and the sample use case for developing the
same.
Even though we found lot of online materials for development of custom modules for adapters, I couldnt
find the way of usage in real time. Hence I have shared this information based on my project learning.
It doesnt contain any step by step for deployment or development.
It describes the adapter module code fragments and how it is getting adapted to real time usage. It is for the
Intermediate PI Consultants.
Overview of SAP NetWeaver Process Integration (PI)
SAP NetWeaver is an open application and integration platform that permits integration of ESA
(Enterprise Service Architecture).
PI is positioned within the SAP NetWeaver as Process Integration Layer.
In simple terms PI enables you to connect systems from different vendors (SAP or non-SAP) in different
programming languages to each others centrally and implement cross-system processes.
PI is an integration technology and platform for
SAP and non-SAP Applications A2A and B2B Communications
For Business Process Management (BPM)
Based on Industry and web service standard
Overview of Adapter modules
Adapter modules are stateless EJB Each adapter we can define the generic modules in the module processor
Customer specific modules can be added to default module chain and it can beparameterized.
Sequence of modules matters!
Use cases of Adapter modules
Changing the encoding
http://wiki.sdn.sap.com/wiki/display/NWTech/Custom+Adapter+Module+Development+-+SAP+PI+7.1http://wiki.sdn.sap.com/wiki/pages/viewpageattachments.action?pageId=247269219&metadataLink=truehttp://wiki.sdn.sap.com/wiki/display/~lcicdmuhttp://wiki.sdn.sap.com/wiki/display/~lcicdmuhttp://wiki.sdn.sap.com/wiki/pages/diffpages.action?pageId=247269219&originalId=247269285http://wiki.sdn.sap.com/wiki/display/NWTech/Custom+Adapter+Module+Development+-+SAP+PI+7.1http://wiki.sdn.sap.com/wiki/pages/viewpageattachments.action?pageId=247269219&metadataLink=truehttp://wiki.sdn.sap.com/wiki/display/~lcicdmuhttp://wiki.sdn.sap.com/wiki/display/~lcicdmuhttp://wiki.sdn.sap.com/wiki/pages/diffpages.action?pageId=247269219&originalId=2472692857/27/2019 Custom Adapter Module Development
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Please refer the referencessection for complete step by step guide to deploy the Adapter module in J2EE
Adapter Engine
How to use in Integration Directory [Configuration]
1. Create a sender communication channel
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Figure 2: File sender Communication Channel
a. Go to module tab and give your JNDI name which you have given during deployment of your adapter
module as first process sequence 1. Because before sending the message to IS we need to validate the file
content
Figure 3: Module prioritization
b. Process sequence 2 as MessageTransformBean to structure the content from payload to PI
understandable format .Please refers MessageTransformBean for more info.
c. Rest of process sequences except standard CallSapAdapterare for synchronous which are not relevant to
this topic.
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d. Go to module configuration parameter(Which will act like runtime parameters for Adapter module) and
provide the inputs as follows. Here I have shown parameters for our custom module (process sequence 1 )
only.
ModuleK
ey
ParameterN
ameParameterValue
1 ArchiveFilePath
/
home/piuser/cap/dev/errorar
chive
1 FilePath /home/piuser/cap/dev/
1 msgType MT_TEST_SOURCE_REQ
1 namespacehttp://test.com/test/RESULT/S
YNC
Table1: Module Parameters
Challenges
If you face the issue like , once you have raised to exception if validation fails from module then there may
be chance for adapter polling freeze .Which will restrict the further polling for sender adapter until unless
the earlier exception is cleared .
Solution: SAP has released the notes for most of the Service packs .Our issue will be resolved once we
apply the same.
References
[1] How To... Create Modules for the JEE Adapter Engine
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0b39e65-981e-2b10-1c9c-
fc3f8e6747fa?QuickLink=index&overridelayout=true
[2] Adding Modules to the Module Processor
http://help.sap.com/saphelp_nwpi71/helpdata/EN/cd/5af7c0c994e24fb0d0088443513de2/content.htm
http://test.com/test/RESULT/SYNChttp://test.com/test/RESULT/SYNChttp://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa?QuickLink=index&overridelayout=truehttp://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa?QuickLink=index&overridelayout=truehttp://help.sap.com/saphelp_nwpi71/helpdata/EN/cd/5af7c0c994e24fb0d0088443513de2/content.htmhttp://test.com/test/RESULT/SYNChttp://test.com/test/RESULT/SYNChttp://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa?QuickLink=index&overridelayout=truehttp://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0b39e65-981e-2b10-1c9c-fc3f8e6747fa?QuickLink=index&overridelayout=truehttp://help.sap.com/saphelp_nwpi71/helpdata/EN/cd/5af7c0c994e24fb0d0088443513de2/content.htm