com.lightbend.lagom.javadsl.persistence.jpa

Interface JpaSession

public interface JpaSession

Provides asynchronous access to a JPA EntityManager. Inject this into classes that require access to JPA, including JPA read-side implementations.

Since:

1.3

Method Summary

Modifier and Type	Method and Description
<T> CompletionStage<T>	withTransaction(Function<javax.persistence.EntityManager,T> block) Execute the given function in a JPA transaction.

Method Detail

withTransaction

<T> CompletionStage<T> withTransaction(Function<javax.persistence.EntityManager,T> block)

Execute the given function in a JPA transaction.

The JPA EntityManager is provided to the function. This will execute the callback in a thread pool that is specifically designed for use with JDBC calls.

Parameters:

block - the function to execute

Returns:

a completion stage that will complete with the result of the supplied block