org.datanucleus.store.mongodb.fieldmanager

Class FetchEmbeddedFieldManager

java.lang.Object

org.datanucleus.store.fieldmanager.AbstractFieldManager

org.datanucleus.store.fieldmanager.AbstractFetchFieldManager

org.datanucleus.store.mongodb.fieldmanager.FetchFieldManager

org.datanucleus.store.mongodb.fieldmanager.FetchEmbeddedFieldManager

All Implemented Interfaces:

org.datanucleus.store.fieldmanager.FieldConsumer, org.datanucleus.store.fieldmanager.FieldManager, org.datanucleus.store.fieldmanager.FieldSupplier

public class FetchEmbeddedFieldManager
extends FetchFieldManager

FieldManager for the retrieval of a related embedded object (1-1 relation). This handles flat embedding of related embedded objects, where the field of the embedded object become a field in the owner document.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<org.datanucleus.metadata.AbstractMemberMetaData>	mmds Metadata for the embedded member (maybe nested) that this FieldManager represents).

Fields inherited from class org.datanucleus.store.mongodb.fieldmanager.FetchFieldManager

dbObject, embedded, ownerMmd, table

Fields inherited from class org.datanucleus.store.fieldmanager.AbstractFetchFieldManager

cmd, ec, op

Constructor Summary

Constructors

Constructor and Description
FetchEmbeddedFieldManager(org.datanucleus.state.ObjectProvider op, com.mongodb.DBObject dbObject, List<org.datanucleus.metadata.AbstractMemberMetaData> mmds, org.datanucleus.store.schema.table.Table table)

Method Summary

Modifier and Type	Method and Description
Object	fetchObjectField(int fieldNumber)
protected org.datanucleus.store.schema.table.MemberColumnMapping	getColumnMapping(int fieldNumber)

Methods inherited from class org.datanucleus.store.mongodb.fieldmanager.FetchFieldManager

fetchBooleanField, fetchByteField, fetchCharField, fetchDoubleField, fetchFloatField, fetchIntField, fetchLongField, fetchNonEmbeddedObjectField, fetchShortField, fetchStringField, getValueForContainerRelationField, getValueForSingleRelationField

Methods inherited from class org.datanucleus.store.fieldmanager.AbstractFieldManager

storeBooleanField, storeByteField, storeCharField, storeDoubleField, storeFloatField, storeIntField, storeLongField, storeObjectField, storeShortField, storeStringField

Methods inherited from class java.lang.Object

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

Field Detail

mmds

protected List<org.datanucleus.metadata.AbstractMemberMetaData> mmds

Metadata for the embedded member (maybe nested) that this FieldManager represents).

Constructor Detail

FetchEmbeddedFieldManager

public FetchEmbeddedFieldManager(org.datanucleus.state.ObjectProvider op,
                                 com.mongodb.DBObject dbObject,
                                 List<org.datanucleus.metadata.AbstractMemberMetaData> mmds,
                                 org.datanucleus.store.schema.table.Table table)

Method Detail

getColumnMapping

protected org.datanucleus.store.schema.table.MemberColumnMapping getColumnMapping(int fieldNumber)

Overrides:

getColumnMapping in class FetchFieldManager

fetchObjectField

public Object fetchObjectField(int fieldNumber)

Specified by:

fetchObjectField in interface org.datanucleus.store.fieldmanager.FieldSupplier

Overrides:

fetchObjectField in class FetchFieldManager