Package org.hibernate.engine.spi

Interface ManagedEntity

All Superinterfaces:
Managed, PrimeAmongSecondarySupertypes
public interface ManagedEntity extends Managed
Specialized Managed contract for entity classes. Essentially provides access to information about an instance's association to a Session/EntityManager. Specific information includes:

  • Method Details

    • $$_hibernate_getEntityInstance

      Object $$_hibernate_getEntityInstance()
      Obtain a reference to the entity instance.
      Returns:
      The entity instance.

    • $$_hibernate_getEntityEntry

      EntityEntry $$_hibernate_getEntityEntry()
      Provides access to the associated EntityEntry.
      Returns:
      The EntityEntry associated with this entity instance.
      See Also:

    • $$_hibernate_setEntityEntry

      void $$_hibernate_setEntityEntry(EntityEntry entityEntry)
      Injects the EntityEntry associated with this entity instance. The EntityEntry represents state associated with the entity in regards to its association with a Hibernate Session.
      Parameters:
      entityEntry - The EntityEntry associated with this entity instance.

    • $$_hibernate_getPreviousManagedEntity

      ManagedEntity $$_hibernate_getPreviousManagedEntity()
      Part of entry linking; obtain reference to the previous entry. Can be null, which should indicate this is the head node.
      Returns:
      The previous entry

    • $$_hibernate_setPreviousManagedEntity

      void $$_hibernate_setPreviousManagedEntity(ManagedEntity previous)
      Part of entry linking; sets the previous entry. Again, can be null, which should indicate this is (now) the head node.
      Parameters:
      previous - The previous entry

    • $$_hibernate_getNextManagedEntity

      ManagedEntity $$_hibernate_getNextManagedEntity()
      Part of entry linking; obtain reference to the next entry. Can be null, which should indicate this is the tail node.
      Returns:
      The next entry

    • $$_hibernate_setNextManagedEntity

      void $$_hibernate_setNextManagedEntity(ManagedEntity next)
      Part of entry linking; sets the next entry. Again, can be null, which should indicate this is (now) the tail node.
      Parameters:
      next - The next entry

    • $$_hibernate_setUseTracker

      void $$_hibernate_setUseTracker(boolean useTracker)
      Used to understand if the tracker can be used to detect dirty properties. 
       @Entity
 class MyEntity{
        @Id Integer id
        String name
 }

 inSession (
        session -> {
                MyEntity entity = new MyEntity(1, "Poul");
                session.persist(entity);
 });


 inSession (
        session -> {
                MyEntity entity = new MyEntity(1, null);
                session.merge(entity);
 });
      Because the attribute `name` has been set to null the SelfDirtyTracker does not detect any change and so doesn't mark the attribute as dirty so the merge does not perform any update.
      Parameters:
      useTracker - true if the tracker can be used to detect dirty properties, false otherwise

    • $$_hibernate_useTracker

      boolean $$_hibernate_useTracker()
      Can the tracker be used to detect dirty attributes
      Returns:
      true if the tracker can be used to detect dirty properties, false otherwise

    • asManagedEntity

      default ManagedEntity asManagedEntity()
      Special internal contract to optimize type checking
      Specified by:
      asManagedEntity in interface PrimeAmongSecondarySupertypes
      Returns:
      this same instance
      See Also: