org.hibernate.reactive.stage

Interface Stage

public interface Stage

An API for Hibernate Reactive where non-blocking operations are represented by a Java CompletionStage.

The Stage.Query, Stage.Session, and Stage.SessionFactory interfaces declared here are simply non-blocking counterparts to the similarly-named interfaces in Hibernate ORM.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	Stage.Closeable An object whose Stage.Closeable.close() method returns a CompletionStage.
static interface	Stage.Query<R> A non-blocking counterpart to the Hibernate Query interface, allowing reactive execution of HQL and JPQL queries.
static interface	Stage.Session A non-blocking counterpart to the Hibernate Session interface, allowing a reactive style of interaction with the database.
static interface	Stage.SessionFactory Factory for reactive sessions.
static interface	Stage.StatelessSession A non-blocking counterpart to the Hibernate StatelessSession interface, which provides a command-oriented API for performing bulk operations against a database.
static interface	Stage.Transaction Allows code within Stage.Session.withTransaction(Function) to mark a transaction for rollback.

Field Summary

Fields

Modifier and Type	Field and Description
static org.hibernate.reactive.logging.impl.Log	LOG

Method Summary

Modifier and Type	Method and Description
static <T> CompletionStage<T>	fetch(T association) Asynchronously fetch an association that's configured for lazy loading.

Field Detail

LOG

static final org.hibernate.reactive.logging.impl.Log LOG

Method Detail

fetch

static <T> CompletionStage<T> fetch(T association)

Asynchronously fetch an association that's configured for lazy loading.

  Stage.fetch(author.getBook()).thenAccept(book -> print(book.getTitle()));
 

Parameters:

association - a lazy-loaded association

Returns:

the fetched association, via a CompletionStage

See Also:

Hibernate.initialize(Object)