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ServiceLocator in Petstore??  RSS feed

 
andy armstrong
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Posts: 154
posted 14 years ago
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There are 2 service locator classes in the petstore. One is for the ejb tier the other for
the web tier. Why cannot there be just one used for both tiers?

Certifications: <br />scp2, scea, scwcd, WL7.0, CISSP, XML

 
Rufus BugleWeed
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Posts: 1551
posted 14 years ago
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IMHO
Could be web and ejb containers are in different JVMs. JNDI lookups are slow to begin with and having two ServiceLocators eliminates a bit of latency.
 
It is sorta covered in the JavaRanch Style Guide.
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