org.datanucleus.store.ldap.fieldmanager

Class RelationByAttributeMetaData

java.lang.Object

org.datanucleus.store.ldap.fieldmanager.RelationByAttributeMetaData

public class RelationByAttributeMetaData
extends Object

Helper class for relationship mapping by attribute.

Constructor Summary

Constructors

Constructor and Description
RelationByAttributeMetaData(org.datanucleus.metadata.AbstractMemberMetaData mmd, org.datanucleus.metadata.MetaDataManager mmgr)

Method Summary

Modifier and Type	Method and Description
String	getEmptyValue() Gets the empty value
String	getJoinAttributeName()
org.datanucleus.metadata.AbstractMemberMetaData	getNonOwnerMMD() Returns the non-owner member meta data
String	getOwnerAttributeName()
org.datanucleus.metadata.AbstractMemberMetaData	getOwnerMMD() Returns the owner member meta data
static boolean	isRelationByAttribute(org.datanucleus.metadata.AbstractMemberMetaData mmd, org.datanucleus.metadata.MetaDataManager mmgr)

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationByAttributeMetaData

public RelationByAttributeMetaData(org.datanucleus.metadata.AbstractMemberMetaData mmd,
                                   org.datanucleus.metadata.MetaDataManager mmgr)

Method Detail

getOwnerMMD

public org.datanucleus.metadata.AbstractMemberMetaData getOwnerMMD()

Returns the owner member meta data

Returns:

the owner member meta data, may be null for an unidirectional relationship

getJoinAttributeName

public String getJoinAttributeName()

getEmptyValue

public String getEmptyValue()

Gets the empty value

Returns:

the empty value or null if none defined

getOwnerAttributeName

public String getOwnerAttributeName()

getNonOwnerMMD

public org.datanucleus.metadata.AbstractMemberMetaData getNonOwnerMMD()

Returns the non-owner member meta data

Returns:

the non-owner member meta data, may be null for an unidirectional relationship

isRelationByAttribute

public static boolean isRelationByAttribute(org.datanucleus.metadata.AbstractMemberMetaData mmd,
                                            org.datanucleus.metadata.MetaDataManager mmgr)