Hi,

would the Request object be a good place to store a JPA EntityManager?
It would be created in onBeginRequest() and destroyed in 
onEndRequest() of the RequestCycle object.

I saw two other options already:
- use a filter in combination with Spring (I don't want to use Spring 
  yet - this would add to all the new stuff I have to learn so far)
- use a ThreadLocal object like in
  http://rattlab.net/2008/10/persistenz-fur-den-feedreader/
  in the class JpaUtil. I don't like this approach because it depends 
  on the implicit assumption that each request is handled in a thread 
  (this depends on Wicket implementation details, therefor I dislike it)
  
Any advice is welcome.

Regards, Frank


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