Package org.datanucleus.store.fieldmanager

Package providing managers for fields which give a mechanism for navigating through fields of a class and performing operations based on the type of the field. See PersistenceCapable.ObjectIdFieldManager in the JDO specification.

Interface Summary

Interface	Description
FieldConsumer	Interface providing methods for consuming field values from a persistable object.
FieldManager	Provide methods to fetch from/to a persistable object to/from the ObjectProvider/DataStore.
FieldSupplier	Interface providing methods for supplying field values to a persistable object.

Class Summary

Class	Description
AbstractFetchDepthFieldManager	Base field manager for handling the fetching of fields.
AbstractFetchFieldManager	Abstract field manager for retrieval of objects.
AbstractFieldManager	Abstract representation of a field manager.
AbstractStoreFieldManager	Abstract field manager for storage of objects.
AttachFieldManager	Utility class to handle the attach of fields.
DeleteFieldManager	Field manager that deletes all "dependent" PC objects referenced from the source object.
DetachFieldManager	FieldManager to handle the detachment of fields with persistable objects.
LoadFieldManager	Field Manager to handle loading all fields of all objects in the fetch plan.
MakeTransientFieldManager	Field Manager to handle the making transient of fields.
NullifyRelationFieldManager	Manager that nullifies any Collection/Map/PC fields of the object.
PersistFieldManager	Field manager that persists all unpersisted PC objects referenced from the source object.
ReachabilityFieldManager	Field manager that runs reachability on all PC objects referenced from the source object.
SingleTypeFieldManager	A simple field manager that stores/fetches a single field value per type in memory.
SingleValueFieldManager	Field manager for single field.
UnsetOwnerFieldManager	FieldManager to unset the owner fields of any SCO wrapped fields.

Exception Summary

Exception	Description
AbstractFetchDepthFieldManager.EndOfFetchPlanGraphException	Exception thrown when we reach the end of the fetch depth in a branch of the object graph