Changes for next ORM

* NullabilityCheck has changed
* Remove ReactiveQueryImplementor#setOptional*

Author: DavideD

hibernate-reactive-core/src/main/java/org/hibernate/reactive/event/impl/DefaultReactiveDeleteEventListener.java

@@ -436,11 +436,8 @@ protected CompletionStage<Void> deleteEntity(
 						persister
 				).nullifyTransientReferences( entityEntry.getDeletedState() )
 						.thenAccept( vv -> {
-							new Nullability( session ).checkNullability(
-									entityEntry.getDeletedState(),
-									persister,
-									Nullability.NullabilityCheckType.DELETE
-							);
+							new Nullability( session, Nullability.NullabilityCheckType.DELETE )
+									.checkNullability( entityEntry.getDeletedState(), persister );
 							persistenceContext.registerNullifiableEntityKey( key );
 
 							final ReactiveActionQueue actionQueue = actionQueue( session );

hibernate-reactive-core/src/main/java/org/hibernate/reactive/query/ReactiveQueryImplementor.java

@@ -5,7 +5,6 @@
  */
 package org.hibernate.reactive.query;
 
-import java.io.Serializable;
 import java.time.Instant;
 import java.util.Calendar;
 import java.util.Collection;
@@ -23,12 +22,6 @@
 
 public interface ReactiveQueryImplementor<R> extends ReactiveQuery<R> {
 
-	void setOptionalId(Serializable id);
-
-	void setOptionalEntityName(String entityName);
-
-	void setOptionalObject(Object optionalObject);
-
 	QueryParameterBindings getParameterBindings();
 
 	@Override