You need to create appropriate mappings for your entities.  If you have mapped 
object associations, the associations your entity requires will automagically 
be retrieved lazily (or when the entity itself is retrieved if eager fetching 
is desired).  Read up on JPA and Hibernate for this.

Once you have accomplished this, the only place you will need to inject a DAO 
or your EM is where the request for the entity occurs (likely in an SFSB).  
Seam also provides a Seam Managed Persistence Context (SMPC) which allows you 
to achieve lazy initialization across requests.

Good luck.

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