Object Brokers
Object Broker:
Object Broker is a middleware that takes care of all of the details involved in routing a request from client to object, and routing the response to its destination.
MEDOR
MEDOR is a query framework. Its goal is the expression, optimization, compilation and evaluation of queries on data coming from distributed heterogeneous data sources.
Even though it can be used directly by a final user, it is intended to be used for building middleware which require query capacities. MEDOR personalities include EJB 2.0, with the JOnAS EJB server, and JDO, with the Speedo implementation.
MEDOR is in particular integrated with the persistence framework JORM. With regards to JORM, it is meant to be a complement for querying data made persistent through JORM.
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MEDOR
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