com.holonplatform.datastore.jpa

Interface JpaDatastore.EntityManagerOperation<R>

Type Parameters:

R - Operation result type

Enclosing interface:

JpaDatastore

public static interface JpaDatastore.EntityManagerOperation<R>

Represents an operation to be executed using a Datastore managed EntityManager.

Method Summary

Modifier and Type	Method and Description
R	execute(javax.persistence.EntityManager entityManager) Execute an operation and returns a result.

Method Detail

execute

R execute(javax.persistence.EntityManager entityManager)
   throws Exception

Execute an operation and returns a result.

Parameters:

entityManager - EntityManager to use

Returns:

Operation result

Throws:

Exception - If an operation execution error occurred