org.cumulus4j.store.fieldmanager
Class FetchFieldManager

java.lang.Object
  org.datanucleus.store.fieldmanager.AbstractFieldManager
      org.cumulus4j.store.fieldmanager.FetchFieldManager

All Implemented Interfaces:

FieldConsumer, FieldManager, FieldSupplier

public class FetchFieldManager
extends AbstractFieldManager

Manager for the process of fetching a user object from the datastore, handling the translation from the DataEntry object into the users own object.

Author:

Marco หงุ่ยตระกูล-Schulze - marco at nightlabs dot de

Constructor Summary

FetchFieldManager(ObjectProvider op, CryptoContext cryptoContext, ClassMeta classMeta, AbstractClassMetaData dnClassMetaData, ObjectContainer objectContainer)

Method Summary

protected Object	createPCFromEmbeddedObjectContainer(int fieldNumber, FieldMeta fieldMeta, ClassMeta embeddedClassMeta, EmbeddedObjectContainer embeddedObjectContainer)
boolean	fetchBooleanField(int fieldNumber)
byte	fetchByteField(int fieldNumber)
char	fetchCharField(int fieldNumber)
double	fetchDoubleField(int fieldNumber)
float	fetchFloatField(int fieldNumber)
int	fetchIntField(int fieldNumber)
long	fetchLongField(int fieldNumber)
Object	fetchObjectField(int fieldNumber)
protected Object	fetchObjectFieldWithRelationTypeArray(int fieldNumber, AbstractMemberMetaData mmd, FieldMeta fieldMeta, Set<Long> mappedByDataEntryIDs) Fetch an array of related objects (1-n-relationship).
protected Object	fetchObjectFieldWithRelationTypeCollection(int fieldNumber, AbstractMemberMetaData mmd, FieldMeta fieldMeta, Set<Long> mappedByDataEntryIDs) Fetch a Collection (List, Set, etc.) of related objects (1-n-relationship).
protected Object	fetchObjectFieldWithRelationTypeMap(int fieldNumber, AbstractMemberMetaData mmd, FieldMeta fieldMeta, Set<Long> mappedByDataEntryIDs) Fetch a Map of related objects (1-n-relationship).
protected Object	fetchObjectFieldWithRelationTypeNone(int fieldNumber, AbstractMemberMetaData mmd, FieldMeta fieldMeta) Fetch related objects that are not persistence-capable.
protected Object	fetchObjectFieldWithRelationTypeSingleValue(int fieldNumber, AbstractMemberMetaData mmd, FieldMeta fieldMeta, Set<Long> mappedByDataEntryIDs) Fetch a single related object (1-1-relationship).
short	fetchShortField(int fieldNumber)
String	fetchStringField(int fieldNumber)
protected EncryptionHandler	getEncryptionHandler()
protected Object	getObjectFromDataEntryID(long dataEntryID)
protected long	getThisDataEntryID()

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

Constructor Detail

FetchFieldManager

public FetchFieldManager(ObjectProvider op,
                         CryptoContext cryptoContext,
                         ClassMeta classMeta,
                         AbstractClassMetaData dnClassMetaData,
                         ObjectContainer objectContainer)

Method Detail

getEncryptionHandler

protected EncryptionHandler getEncryptionHandler()

fetchBooleanField

public boolean fetchBooleanField(int fieldNumber)

Specified by:

fetchBooleanField in interface FieldSupplier

Overrides:

fetchBooleanField in class AbstractFieldManager

fetchByteField

public byte fetchByteField(int fieldNumber)

Specified by:

fetchByteField in interface FieldSupplier

Overrides:

fetchByteField in class AbstractFieldManager

fetchCharField

public char fetchCharField(int fieldNumber)

Specified by:

fetchCharField in interface FieldSupplier

Overrides:

fetchCharField in class AbstractFieldManager

fetchDoubleField

public double fetchDoubleField(int fieldNumber)

Specified by:

fetchDoubleField in interface FieldSupplier

Overrides:

fetchDoubleField in class AbstractFieldManager

fetchFloatField

public float fetchFloatField(int fieldNumber)

Specified by:

fetchFloatField in interface FieldSupplier

Overrides:

fetchFloatField in class AbstractFieldManager

fetchIntField

public int fetchIntField(int fieldNumber)

Specified by:

fetchIntField in interface FieldSupplier

Overrides:

fetchIntField in class AbstractFieldManager

fetchLongField

public long fetchLongField(int fieldNumber)

Specified by:

fetchLongField in interface FieldSupplier

Overrides:

fetchLongField in class AbstractFieldManager

fetchShortField

public short fetchShortField(int fieldNumber)

Specified by:

fetchShortField in interface FieldSupplier

Overrides:

fetchShortField in class AbstractFieldManager

fetchStringField

public String fetchStringField(int fieldNumber)

Specified by:

fetchStringField in interface FieldSupplier

Overrides:

fetchStringField in class AbstractFieldManager

getThisDataEntryID

protected long getThisDataEntryID()

fetchObjectField

public Object fetchObjectField(int fieldNumber)

Specified by:

fetchObjectField in interface FieldSupplier

Overrides:

fetchObjectField in class AbstractFieldManager

fetchObjectFieldWithRelationTypeNone

protected Object fetchObjectFieldWithRelationTypeNone(int fieldNumber,
                                                      AbstractMemberMetaData mmd,
                                                      FieldMeta fieldMeta)

Fetch related objects that are not persistence-capable. The related objects might be single-valued, arrays, collections or maps.

fetchObjectFieldWithRelationTypeSingleValue

protected Object fetchObjectFieldWithRelationTypeSingleValue(int fieldNumber,
                                                             AbstractMemberMetaData mmd,
                                                             FieldMeta fieldMeta,
                                                             Set<Long> mappedByDataEntryIDs)

Fetch a single related object (1-1-relationship). The related object is persistence-capable.

createPCFromEmbeddedObjectContainer

protected Object createPCFromEmbeddedObjectContainer(int fieldNumber,
                                                     FieldMeta fieldMeta,
                                                     ClassMeta embeddedClassMeta,
                                                     EmbeddedObjectContainer embeddedObjectContainer)

fetchObjectFieldWithRelationTypeArray

protected Object fetchObjectFieldWithRelationTypeArray(int fieldNumber,
                                                       AbstractMemberMetaData mmd,
                                                       FieldMeta fieldMeta,
                                                       Set<Long> mappedByDataEntryIDs)

Fetch an array of related objects (1-n-relationship). The related objects are persistence-capable.

fetchObjectFieldWithRelationTypeCollection

protected Object fetchObjectFieldWithRelationTypeCollection(int fieldNumber,
                                                            AbstractMemberMetaData mmd,
                                                            FieldMeta fieldMeta,
                                                            Set<Long> mappedByDataEntryIDs)

Fetch a Collection (List, Set, etc.) of related objects (1-n-relationship). The related objects are persistence-capable.

fetchObjectFieldWithRelationTypeMap

protected Object fetchObjectFieldWithRelationTypeMap(int fieldNumber,
                                                     AbstractMemberMetaData mmd,
                                                     FieldMeta fieldMeta,
                                                     Set<Long> mappedByDataEntryIDs)

Fetch a Map of related objects (1-n-relationship). The related objects are persistence-capable.

getObjectFromDataEntryID

protected Object getObjectFromDataEntryID(long dataEntryID)