Package org.hibernate.engine.spi

Interface CascadingAction<T>

All Known Implementing Classes:
CascadingActions.BaseCascadingAction
public interface CascadingAction<T>
A session action that may be cascaded from parent entity to its children

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    cascade(EventSource session, Object child, String entityName, T anything, boolean isCascadeDeleteEnabled)
    Cascade the action to the child object.
    boolean
    deleteOrphans()
    Does this action potentially extrapolate to orphan deletes?
    Iterator<?>
    getCascadableChildrenIterator(EventSource session, CollectionType collectionType, Object collection)
    Given a collection, get an iterator of the children upon which the current cascading action should be visited.
    boolean
    performOnLazyProperty()
    Should this action be performed (or noCascade consulted) in the case of lazy properties.

  • Method Details

    • cascade

      void cascade(EventSource session, Object child, String entityName, T anything, boolean isCascadeDeleteEnabled) throws HibernateException
      Cascade the action to the child object.
      Parameters:
      session - The session within which the cascade is occurring.
      child - The child to which cascading should be performed.
      entityName - The child's entity name
      anything - Anything ;) Typically some form of cascade-local cache which is specific to each CascadingAction type
      isCascadeDeleteEnabled - Are cascading deletes enabled.
      Throws:
      HibernateException

    • getCascadableChildrenIterator

      Iterator<?> getCascadableChildrenIterator(EventSource session, CollectionType collectionType, Object collection)
      Given a collection, get an iterator of the children upon which the current cascading action should be visited.
      Parameters:
      session - The session within which the cascade is occurring.
      collectionType - The mapping type of the collection.
      collection - The collection instance.
      Returns:
      The children iterator.

    • deleteOrphans

      boolean deleteOrphans()
      Does this action potentially extrapolate to orphan deletes?
      Returns:
      True if this action can lead to deletions of orphans.

    • performOnLazyProperty

      boolean performOnLazyProperty()
      Should this action be performed (or noCascade consulted) in the case of lazy properties.