javax.jdo.metadata

Interface Metadata

All Known Subinterfaces:

ArrayMetadata, ClassMetadata, CollectionMetadata, ColumnMetadata, DatastoreIdentityMetadata, DiscriminatorMetadata, ElementMetadata, EmbeddedMetadata, FetchGroupMetadata, FetchPlanMetadata, FieldMetadata, ForeignKeyMetadata, IndexMetadata, InheritanceMetadata, InterfaceMetadata, JDOMetadata, JoinMetadata, KeyMetadata, MapMetadata, MemberMetadata, OrderMetadata, PackageMetadata, PrimaryKeyMetadata, PropertyMetadata, QueryMetadata, SequenceMetadata, TypeMetadata, UniqueMetadata, ValueMetadata, VersionMetadata

public interface Metadata

This interface provides base level definitions for all metadata components.

Version:

3.0

Method Summary

Modifier and Type	Method and Description
ExtensionMetadata[]	getExtensions() Accessor for the defined extensions for this component
int	getNumberOfExtensions() Number of extensions on this component.
Metadata	getParent() Accessor for the parent metadata component.
ExtensionMetadata	newExtensionMetadata(String vendor, String key, String value) Add a vendor extension to this metadata component.

Method Detail

newExtensionMetadata

ExtensionMetadata newExtensionMetadata(String vendor,
                                       String key,
                                       String value)

Add a vendor extension to this metadata component.

Parameters:

vendor - Identifier for the vendor

key - The extension key

value - Value for the extension

Returns:

The ExtensionMetadata

getNumberOfExtensions

int getNumberOfExtensions()

Number of extensions on this component.

Returns:

Number of extensions

getExtensions

ExtensionMetadata[] getExtensions()

Accessor for the defined extensions for this component

Returns:

The extensions

getParent

Metadata getParent()

Accessor for the parent metadata component.

Returns:

The parent