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Multitenancy and Entity Manager [message #1076273] Wed, 31 July 2013 04:34
Deepthi Umakanth is currently offline Deepthi Umakanth
Messages: 2
Registered: July 2013
Junior Member
We are using JPA with eclipse link. We have extensive JPA queries. Our
code is in production for a while. Now we have a business use case, to
support multitenancy.

We will be using the Oracle Pluggable Database mechanism where each
client will have their database.

In our code, in order to create an EntityManager, we have defined a
Singleton Class.

In places where we do any JPA queries, we fetch the EntityManager object
from this Singleton Class and store the instance of EntityManager as a
static variable and reuse in our code.

In multitenant use case, will the EntityManager instance be specific to
the database of each of the client?

My doubt is do we need to change our model of preparing the
EntityManager and instantiate the EntityManager at class level or the
current model works without any issues?
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