Caching for a Custom Repositiory Adapter for WebSphere Portal Virtual Member Manager

Posted by Spike Williams on Stack Overflow See other posts from Stack Overflow or by Spike Williams
Published on 2010-04-20T21:09:34Z Indexed on 2010/04/20 21:13 UTC
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I'm looking at writing a custom repository adapter to interact with Virtual Member Manager on WebSphere Portal 6.1. Basically, its a layer that takes a request in the form of a commonj.sco.DataObject and passes that on to an external web service, to get various information on our logged in users that is not otherwise available in LDAP.

I'm concerned about the performance hit of going to a service every time we want to pull some permission from the back end. My question is, can the Virtual Member Manager handle caching of data going in and out of the custom repository adapters, or is that something I'm going to have to build into the adapter myself?

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