Package org.datanucleus.store

Package handling the storage of classes to the datastore, and the management of the datastore.

See:
Description

Interface Summary

AutoStartMechanism	Interface defining an Auto-Start Mechanism.
Extent	Extent of objects within DataNucleus.
FieldValues	Interface for field values.
NucleusConnection	Access to the underlying DataStore Connection.
NucleusSequence	Sequence of identifiers.
StoreManager	Interface defining management of a datastore.
StorePersistenceHandler	Interface defining persistence operations of a StoreManager.

Class Summary

AbstractAutoStartMechanism	Abstract representation of an autostart mechanism.
AbstractExtent	Abstract representation of a JDO Extent.
AbstractStoreManager	An abstract representation of a Store Manager.
ClassesAutoStarter	An auto-starter mechanism that uses a defined list of classes to be loaded at start.
DefaultCandidateExtent	Extent that does a simple JDOQL query for the candidate with/without subclasses.
FederationManager	Federation Manager orchestrates the persistence in multiple datastores
FederationPersistence
NucleusConnectionImpl	Representation of a datastore connection.
StoreData	Basic store information about an object that is stored in a datastore.
StoreDataManager	StoreData Cache Manager
StoreManagerFactory	Factory for creating StoreManagers.
XMLAutoStarter	An auto-starter mechanism storing its definition in an XML file.
XMLAutoStarterEntityResolver	Implementation of an entity resolver for Auto Starter files.

Package org.datanucleus.store Description

Package handling the storage of classes to the datastore, and the management of the datastore. Each type of datastore will have its own subpackage (e.g org.datanucleus.store.rdbms) and its own StoreManager. When providing support for a new datastore you need to extend AbstractStoreManager.

The package also provides definition of StoreData - data held about each class and utilised by the StoreManager to perform its duties. This data is populated either at runtime when classes are requested, or when using an "auto-starter". There are several auto-start mechanisms. This package has ClassesAutoStarter and XMLAutoStarter.