Package org.datanucleus

This package provides classes that are typically externally called, whether that means by developers or by other DataNucleus plugins.

Interface Summary

Interface	Description
ClassLoaderResolver	Class to allow resolution and loading of classes in a persistence framework.
ExecutionContext	Context of execution for persistence operations.
ExecutionContext.LifecycleListener	Interface to be implemented by a listener for the closure of the ExecutionContext.
ExecutionContextListener	Listener for closure of an ExecutionContext.
NucleusContext	Representation of the context being run within DataNucleus.
PersistenceNucleusContext	Context for use in the persistence process.

Class Summary

Class	Description
AbstractNucleusContext	Base implementation of a NucleusContext, providing configuration, metadata management, type management, plugin management and ClassLoader services.
BeanValidationHandler	Handles the integration of "javax.validation" Bean Validation API (JSR 303).
CDIHandler	Handles the integration of "javax.enterprise.inject" CDI API.
ClassConstants	Constants with classes (class created to reduce overhead on calling Class.class *performance*)
ClassLoaderResolverImpl	A basic implementation of a ClassLoaderResolver.
ClassNameConstants	Constants with classes names (created to reduce overhead on calling Class.class.getName()), namely performance.
Configuration	Class providing configuration for the context.
DetachState	Holder for the detachment state control for the detachment process.
ExecutionContext.EmbeddedOwnerRelation
ExecutionContextImpl	Manager for persistence/retrieval of objects within an execution context, equating to the work required by JDO PersistenceManager and JPA EntityManager.
ExecutionContextImpl.NullCallbackHandler	Callback handler that does nothing.
ExecutionContextPool	Pool of ExecutionContext objects.
ExecutionContextThreadedImpl	ExecutionContext to attempt to handle multi-threaded PM/EM cases.
FetchGroup<T>	Group of fields for fetching, to be used by a FetchPlan.
FetchGroupManager	Manager for dynamic fetch groups.
FetchPlan	FetchPlan for fields for use internally.
FetchPlanForClass	Representation of the fetch plan for a particular class, defining the members that are to be fetched.
FetchPlanState	Holder for the state control for FetchPlan processing.
ManagedRelationsHandler	Handler to process "managed relations".
PersistenceNucleusContextImpl	Extends the basic DataNucleus context, adding on services for creating ExecutionContext objects to handle persistence.
PropertyNames	Utility providing convenience naming of core persistence properties.
ReachabilityAtCommitHandler	Handler to process "persistence-by-reachability" at commit.

Enum Summary

Enum	Description
PersistableObjectType	Definition of the type of a persistable object.