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:
Description

Interface Summary

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 StateManager/DataStore.
FieldSupplier	Interface providing methods for supplying field values to a persistable object.

Class Summary

AbstractFetchFieldManager	Base field manager for handling the fetching of fields.
AbstractFieldManager	Abstract representation of a field manager.
AttachFieldManager	Utility class to handle the attach of fields.
CachePopulateFieldManager	Field manager to handle the population of a CachedPC object ready for putting in the L2 cache.
CacheRetrieveFieldManager	FieldManager to handle the retrieval of fields from a L2 cached object into a managed object.
DeleteFieldManager	Field manager that deletes all "dependent" PC objects referenced from the source object.
DeleteFieldManager2	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 perists all unpersisted PC objects referenced from the source object.
PersistFieldManager2	Field manager that perists 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.

Exception Summary

AbstractFetchFieldManager.EndOfFetchPlanGraphException

Exception thrown when we reach the end of the fetch depth in a branch of the object graph

Package org.datanucleus.store.fieldmanager Description

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.