private long AssociateIdToObject(byte idType, byte idStatus, long objectPosition)
{
long idPosition = objectWriter.AssociateIdToObject(idType, idStatus, currentBlockIdPosition
, nextId, objectPosition, false);
nextId = provider.GetObjectOID(nextId.GetObjectId() + 1, 0);
return(idPosition);
}
public virtual int CompareTo(object @object)
{
if (@object == null || !(@object is NeoDatis.Odb.Impl.Core.Oid.OdbClassOID))
{
return(-1000);
}
NeoDatis.Odb.OID otherOid = (NeoDatis.Odb.OID)@object;
return((int)(oid - otherOid.GetObjectId()));
}
/// <exception cref="System.Exception"></exception>
public virtual void TestGetObjectId()
{
DeleteBase("extb");
NeoDatis.Odb.ODB odb = null;
odb = Open("extb");
NeoDatis.Odb.Test.VO.Login.Function f = new NeoDatis.Odb.Test.VO.Login.Function("Test Function"
);
NeoDatis.Odb.OID oid = odb.Store(f);
NeoDatis.Odb.ExternalOID extOid = odb.Ext().GetObjectExternalOID(f);
AssertEquals(oid.GetObjectId(), extOid.GetObjectId());
AssertEquals(odb.Ext().GetDatabaseId(), extOid.GetDatabaseId());
odb.Close();
odb = Open("extb");
// Getting object via external oid
NeoDatis.Odb.Test.VO.Login.Function f2 = (NeoDatis.Odb.Test.VO.Login.Function)odb
.GetObjectFromId(extOid);
NeoDatis.Odb.OID lastOid = odb.GetObjectId(f2);
AssertEquals(oid, lastOid);
AssertEquals(f.GetName(), f2.GetName());
odb.Close();
}
/// <param name="objectWriter">The object writer</param>
/// <param name="objectReader">The object reader</param>
/// <param name="currentBlockIdPosition">The position of the current block</param>
/// <param name="currentBlockIdNumber">The number of the current block</param>
/// <param name="currentMaxId">Maximum Database id</param>
public DefaultIdManager(NeoDatis.Odb.Core.Layers.Layer3.IObjectWriter objectWriter
, NeoDatis.Odb.Core.Layers.Layer3.IObjectReader objectReader, long currentBlockIdPosition
, int currentBlockIdNumber, NeoDatis.Odb.OID currentMaxId)
{
this.provider = NeoDatis.Odb.OdbConfiguration.GetCoreProvider();
this.objectWriter = objectWriter;
this.objectReader = objectReader;
this.session = objectWriter.GetSession();
this.currentBlockIdPosition = currentBlockIdPosition;
this.currentBlockIdNumber = currentBlockIdNumber;
this.maxId = provider.GetObjectOID((long)currentBlockIdNumber * NeoDatis.Odb.OdbConfiguration
.GetNB_IDS_PER_BLOCK(), 0);
this.nextId = provider.GetObjectOID(currentMaxId.GetObjectId() + 1, 0);
lastIds = new NeoDatis.Odb.OID[IdBufferSize];
for (int i = 0; i < IdBufferSize; i++)
{
lastIds[i] = NeoDatis.Odb.Impl.Core.Layers.Layer3.Engine.StorageEngineConstant.NullObjectId;
}
lastIdPositions = new long[IdBufferSize];
lastIdIndex = 0;
}
/// <summary>Gets an id for an object (instance)</summary>
/// <param name="objectPosition">the object position (instance)</param>
/// <param name="idType">The type id : object,class, unknown</param>
/// <param name="label">A label for debug</param>
/// <returns>The id</returns>
internal virtual NeoDatis.Odb.OID GetNextId(long objectPosition, byte idType, byte
idStatus, string label)
{
lock (this)
{
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug(" Start of " + label + " for object with position "
+ objectPosition);
}
if (MustShift())
{
ShiftBlock();
}
// Keep the current id
NeoDatis.Odb.OID currentNextId = nextId;
if (idType == NeoDatis.Odb.Core.Layers.Layer3.IDTypes.Class)
{
// If its a class, build a class OID instead.
currentNextId = provider.GetClassOID(currentNextId.GetObjectId());
}
// Compute the new index to be used to store id and its position in the lastIds and lastIdPositions array
int currentIndex = (lastIdIndex + 1) % IdBufferSize;
// Stores the id
lastIds[currentIndex] = currentNextId;
// really associate id to the object position
long idPosition = AssociateIdToObject(idType, idStatus, objectPosition);
// Store the id position
lastIdPositions[currentIndex] = idPosition;
if (NeoDatis.Odb.OdbConfiguration.IsDebugEnabled(LogId))
{
NeoDatis.Tool.DLogger.Debug(" End of " + label + " for object with position " +
idPosition + " : returning " + currentNextId);
}
// Update the id buffer index
lastIdIndex = currentIndex;
return(currentNextId);
}
}
public ExternalObjectOID(NeoDatis.Odb.OID oid, NeoDatis.Odb.DatabaseId databaseId
) : base(oid.GetObjectId())
{
this.databaseId = databaseId;
}
