Uses of Class
org.datanucleus.metadata.MetaData

Packages that use MetaData

Package	Description
org.datanucleus.metadata	Provides classes representing the MetaData for files, packages, classes, fields, containers, etc.
org.datanucleus.metadata.xml	Provides classes for parsing XML metadata input data and converting into org.datanucleus.metadata input data for the DataNucleus persistence process.
org.datanucleus.store	Package handling the storage of classes to the datastore, and the management of the datastore.

Uses of MetaData in org.datanucleus.metadata

Subclasses of MetaData in org.datanucleus.metadata

Modifier and Type	Class	Description
class	AbstractClassMetaData	Abstract representation of the MetaData of a class/interface.
class	AbstractElementMetaData	This element specifies the mapping for the element component of arrays and collections.
class	AbstractMemberMetaData	Abstract representation of MetaData for a field/property of a class/interface.
class	ArrayMetaData	Representation of the Meta-Data for an Array.
class	ClassMetaData	Representation of the MetaData of a class.
class	CollectionMetaData	Representation of the MetaData of a collection.
class	ColumnMetaData	Representation of the Meta-Data for a column mapping of a field.
class	ConstraintMetaData	Representation of an ORM constraint.
class	ContainerMetaData	Representation of the Meta-Data for a container.
class	DatastoreIdentityMetaData	Meta-Data for the datastore-identity of a class.
class	DiscriminatorMetaData	Representation of a discriminator in an inheritance strategy.
class	ElementMetaData	This element specifies the mapping for the element component of arrays and collections.
class	EmbeddedMetaData	This element specifies the mapping for an embedded type.
class	EventListenerMetaData	Listener for events, following the JPA/Jakarta model.
class	FetchGroupMemberMetaData	Metadata defining a member of a fetch-group.
class	FetchGroupMetaData	A fetch group defines a particular loaded state for an object graph.
class	FetchPlanMetaData	FetchPlan defined in MetaData.
class	FieldMetaData	Representation of the Meta-Data for a field of a class.
class	FileMetaData	Representation of a Meta-Data file.
class	ForeignKeyMetaData	Foreign keys in metadata serve two quite different purposes.
class	ImplementsMetaData	The implements element declares a persistence-capable interface implemented by the persistence-capable class that contains this element.
class	IndexMetaData	For schema generation, it might be useful to specify that a column or columns be indexed, and to provide the name of the index.
class	InheritanceMetaData	Representation of the Meta-Data defining inherited classes.
class	InterfaceMetaData	Representation of the MetaData of a "persistent-interface".
class	JoinMetaData	Secondary tables and join tables are mapped using a join condition that associates a column or columns in the secondary or join table with a column or columns in the primary table, typically the primary tables primary key columns.
class	KeyMetaData	This element specifies the mapping for the key component of maps.
class	MapMetaData	Representation of the Meta-Data for a Map.
class	MultitenancyMetaData	MetaData representation for a multitenancy discriminator.
class	OrderMetaData	Representation of Order MetaData - the ordering of the elements of a List.
class	PackageMetaData	Representation of the Meta-Data for a package.
class	PersistenceFileMetaData	Representation of a Meta-Data "persistence.xml" file.
class	PersistenceUnitMetaData	MetaData representation of a "persistence.xml" persistence unit.
class	PrimaryKeyMetaData	Representation of a primary key constraint.
class	PropertyMetaData	The property element declares mapping between a virtual field of an implemented interface and the corresponding persistent field of a persistence-capable class.
class	QueryMetaData	Representation of the MetaData of a named Query.
class	QueryResultMetaData	Representation of the mapping of (SQL) Query results into a desired output form.
class	SequenceMetaData	Representation of the MetaData of a named Sequence (JDO, or JPA).
class	SoftDeleteMetaData	MetaData representation for a soft delete indicator column.
class	StoredProcQueryMetaData	Metadata representation of a named stored proc query.
class	StoredProcQueryParameterMetaData	Metadata representation of a parameter for a named stored proc query.
class	TableGeneratorMetaData	Representation of the MetaData of a TableGenerator (JPA).
class	UniqueMetaData	MetaData representing a unique constraint.
class	ValueMetaData	This element specifies the mapping for the value component of maps.
class	VersionMetaData	Three common strategies for versioning instances are supported by standard metadata.

Fields in org.datanucleus.metadata declared as MetaData

Modifier and Type	Field	Description
protected MetaData	MetaData.parent	Parent MetaData object, allowing hierarchical MetaData structure.

Methods in org.datanucleus.metadata that return MetaData

Modifier and Type	Method	Description
MetaData	AbstractMemberMetaData.addExtension(String key, String value)
MetaData	MetaData.addExtension(String key, String value)
MetaData	AbstractMemberMetaData.addExtensions(Map<String,String> exts)
MetaData	MetaData.addExtensions(Map<String,String> exts)
protected static MetaData	AbstractMemberMetaData.getOverallParentClassMetaData(MetaData metadata)	Convenience method to navigate back through the parents to find the overall ClassMetaData handling this object.
MetaData	MetaData.getParent()
MetaData	MetaData.removeExtension(String key)
MetaData	AbstractMemberMetaData.setExtensions(Map<String,String> exts)
MetaData	MetaData.setExtensions(Map<String,String> exts)

Methods in org.datanucleus.metadata with parameters of type MetaData

Modifier and Type	Method	Description
protected static MetaData	AbstractMemberMetaData.getOverallParentClassMetaData(MetaData metadata)	Convenience method to navigate back through the parents to find the overall ClassMetaData handling this object.
static String	MetaDataUtils.getValueForExtensionRecursively(MetaData metadata, String key)	Searches the meta data tree upwards starting with the given leaf, stops as soon as it finds an extension with the given key.
static String[]	MetaDataUtils.getValuesForExtensionRecursively(MetaData metadata, String key)	Searches the meta data tree upwards starting with the given leaf, stops as soon as it finds an extension with the given key.
void	MetaData.setParent(MetaData md)

Constructors in org.datanucleus.metadata with parameters of type MetaData

Modifier	Constructor	Description
	AbstractMemberMetaData(MetaData parent, String name)	Constructor for a fields metadata.
	AbstractMemberMetaData(MetaData parent, AbstractMemberMetaData mmd)	Convenience constructor to copy the specification from the passed member.
	FieldMetaData(MetaData parent, String name)	Constructor.
	FieldMetaData(MetaData parent, AbstractMemberMetaData fmd)	Convenience constructor to copy the specification from the passed field.
	MetaData(MetaData parent)	Constructor.
	MetaData(MetaData parent, MetaData copy)	Copy constructor.
	PropertyMetaData(MetaData parent, String name)	Constructor.
	PropertyMetaData(MetaData parent, PropertyMetaData fmd)	Convenience constructor to copy the specification from the passed field.

Uses of MetaData in org.datanucleus.metadata.xml

Fields in org.datanucleus.metadata.xml declared as MetaData

Modifier and Type	Field	Description
protected MetaData	AbstractXmlMetaDataHandler.metadata	The MetaData for this file (the end result of the parse process).

Fields in org.datanucleus.metadata.xml with type parameters of type MetaData

Modifier and Type	Field	Description
protected Stack<MetaData>	AbstractXmlMetaDataHandler.stack	Stack of meta-data elements.

Methods in org.datanucleus.metadata.xml that return MetaData

Modifier and Type	Method	Description
MetaData	AbstractXmlMetaDataHandler.getMetaData()	Accessor for the MetaData for this file.
protected MetaData	AbstractXmlMetaDataHandler.getStack()	Accessor for the current MetaData component.
MetaData	XmlMetaDataParser.parseXmlMetaDataFile(String fileName, String handlerName)	Method to parse an XML MetaData file given the filename.
MetaData	XmlMetaDataParser.parseXmlMetaDataStream(InputStream in, String filename, String handlerName)	Method to parse an XML MetaData file given an InputStream.
MetaData	XmlMetaDataParser.parseXmlMetaDataURL(URL url, String handlerName)	Method to parse an XML MetaData file given the URL of the file.
protected MetaData	AbstractXmlMetaDataHandler.popStack()	Method to remove the current MetaData component from the Stack.

Methods in org.datanucleus.metadata.xml with parameters of type MetaData

Modifier and Type	Method	Description
protected void	AbstractXmlMetaDataHandler.pushStack(MetaData md)	Method to add a MetaData component to the Stack.

Uses of MetaData in org.datanucleus.store

Fields in org.datanucleus.store declared as MetaData

Modifier and Type	Field	Description
protected MetaData	StoreData.metadata	Metadata for the class, or member (join table) depending on what this represents.

Methods in org.datanucleus.store that return MetaData

Modifier and Type	Method	Description
MetaData	StoreData.getMetaData()	Accessor for class/field meta data.

Methods in org.datanucleus.store with parameters of type MetaData

Modifier and Type	Method	Description
void	StoreData.setMetaData(MetaData md)	Method to set the MetaData for this class.

Constructors in org.datanucleus.store with parameters of type MetaData

Modifier	Constructor	Description
	StoreData(String name, MetaData metadata, StoreData.Type type, String interfaceName)	Constructor.