org.neodatis.odb.core.layers.layer3

Interface IIdManager

All Known Implementing Classes:

DefaultIdManager, DefaultServerIdManager

public interface IIdManager

Method Summary

Modifier and Type	Method and Description
void	clear()
OID	consultNextOid()
OID	getNextClassId(long objectPosition) Gets an id for a class
OID	getNextObjectId(long objectPosition) Gets an id for an object (instance)
long	getObjectPositionWithOid(OID oid, boolean useCache)
boolean	mustShift() To check if the id block must shift: that a new id block must be created
void	reserveIds(long nbIds)
void	updateClassPositionForId(OID classId, long objectPosition, boolean writeInTransaction)
void	updateIdStatus(OID id, byte newStatus)
void	updateObjectPositionForOid(OID oid, long objectPosition, boolean writeInTransaction)

Method Detail

getNextObjectId

OID getNextObjectId(long objectPosition)

Gets an id for an object (instance)

Parameters:

objectPosition - the object position (instance)

Returns:

The id

getNextClassId

OID getNextClassId(long objectPosition)

Gets an id for a class

Parameters:

objectPosition - the object position (class)

Returns:

The id

updateObjectPositionForOid

void updateObjectPositionForOid(OID oid,
                                long objectPosition,
                                boolean writeInTransaction)

updateClassPositionForId

void updateClassPositionForId(OID classId,
                              long objectPosition,
                              boolean writeInTransaction)

updateIdStatus

void updateIdStatus(OID id,
                    byte newStatus)

reserveIds

void reserveIds(long nbIds)

getObjectPositionWithOid

long getObjectPositionWithOid(OID oid,
                              boolean useCache)

clear

void clear()

mustShift

boolean mustShift()

To check if the id block must shift: that a new id block must be created

Returns:

a boolean value to check if block of id is full

consultNextOid

OID consultNextOid()