com.blazebit.persistence.spi

Interface EntityManagerIntegrator

public interface EntityManagerIntegrator

Interface implemented by the criteria provider. It is used to integrate some features with the persistence provider.

Since:

1.0

Author:

Christian Beikov, Moritz Becker

Method Summary

Modifier and Type	Method and Description
Set<String>	getRegisteredFunctions(javax.persistence.EntityManager entityManager) Returns the names of all registered functions.
javax.persistence.EntityManager	registerFunctions(javax.persistence.EntityManager entityManager, Map<String,Map<String,JpqlFunction>> dbmsFunctions) Registers the given functions under the given names on the given entity manager.

Method Detail

registerFunctions

javax.persistence.EntityManager registerFunctions(javax.persistence.EntityManager entityManager,
                                                  Map<String,Map<String,JpqlFunction>> dbmsFunctions)

Registers the given functions under the given names on the given entity manager. The dbmsFunctions map the function name to a map of dbms specific functions. The dbms specific functions map uses a dbms identifier as key.

Parameters:

entityManager - The entity manager which should be enriched

dbmsFunctions - The functions for various dbms

Returns:

The enriched entity manager

getRegisteredFunctions

Set<String> getRegisteredFunctions(javax.persistence.EntityManager entityManager)

Returns the names of all registered functions.

Parameters:

entityManager - The entity manager which should be queried

Returns:

The set of function names