Stage (Hibernate Reactive Core 1.0.0.Alpha10 API)

```
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 Classes
Modifier and Type	Interface and Description
`static interface`	`Stage.Query<R>` A non-blocking counterpart to the Hibernate `org.hibernate.query.Query` interface, allowing reactive execution of HQL and JPQL queries.
`static interface`	`Stage.Session` A non-blocking counterpart to the Hibernate `org.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 `org.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.

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

Interface Stage