Package org.datanucleus.api.jdo.metadata.api

Class AbstractMetadataImpl

java.lang.Object

org.datanucleus.api.jdo.metadata.api.AbstractMetadataImpl

All Implemented Interfaces:

javax.jdo.metadata.Metadata

Direct Known Subclasses:

ArrayMetadataImpl, CollectionMetadataImpl, ColumnMetadataImpl, DatastoreIdentityMetadataImpl, DiscriminatorMetadataImpl, ElementMetadataImpl, EmbeddedMetadataImpl, FetchGroupMetadataImpl, FetchPlanMetadataImpl, ForeignKeyMetadataImpl, IndexMetadataImpl, InheritanceMetadataImpl, JDOMetadataImpl, JoinMetadataImpl, KeyMetadataImpl, MapMetadataImpl, MemberMetadataImpl, OrderMetadataImpl, PackageMetadataImpl, PrimaryKeyMetadataImpl, QueryMetadataImpl, SequenceMetadataImpl, TypeMetadataImpl, UniqueMetadataImpl, ValueMetadataImpl, VersionMetadataImpl

public abstract class AbstractMetadataImpl
extends java.lang.Object
implements javax.jdo.metadata.Metadata

Base for all implementations of JDO Metadata classes. Provides parentage, and the underlying internal metadata component used by DataNucleus. Also provides extension handling.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) org.datanucleus.metadata.MetaData	internalMD	DataNucleus internal MetaData object backing this.
(package private) AbstractMetadataImpl	parent	Link to parent wrapper.

Constructor Summary

Constructors

Constructor	Description
AbstractMetadataImpl(org.datanucleus.metadata.MetaData internal)

Method Summary

Modifier and Type	Method	Description
javax.jdo.metadata.ExtensionMetadata[]	getExtensions()
int	getNumberOfExtensions()
AbstractMetadataImpl	getParent()
javax.jdo.metadata.ExtensionMetadata	newExtensionMetadata(java.lang.String vendor, java.lang.String key, java.lang.String value)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

parent

AbstractMetadataImpl parent

Link to parent wrapper.

internalMD

org.datanucleus.metadata.MetaData internalMD

DataNucleus internal MetaData object backing this.

Constructor Detail

AbstractMetadataImpl

public AbstractMetadataImpl(org.datanucleus.metadata.MetaData internal)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getExtensions

public javax.jdo.metadata.ExtensionMetadata[] getExtensions()

Specified by:

getExtensions in interface javax.jdo.metadata.Metadata

getNumberOfExtensions

public int getNumberOfExtensions()

Specified by:

getNumberOfExtensions in interface javax.jdo.metadata.Metadata

newExtensionMetadata

public javax.jdo.metadata.ExtensionMetadata newExtensionMetadata(java.lang.String vendor,
                                                                 java.lang.String key,
                                                                 java.lang.String value)

Specified by:

newExtensionMetadata in interface javax.jdo.metadata.Metadata

getParent

public AbstractMetadataImpl getParent()

Specified by:

getParent in interface javax.jdo.metadata.Metadata