/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private UUIDFieldMetadata.DatabaseIdentityIDAndUUID ReadDatabaseIdentityIDAndUUID
(ObjectContainerBase container, ClassMetadata classMetadata, Slot oldSlot, bool
checkClass)
{
if (DTrace.enabled)
{
DTrace.RereadOldUuid.LogLength(oldSlot.Address(), oldSlot.Length());
}
ByteArrayBuffer reader = container.DecryptedBufferByAddress(oldSlot.Address(), oldSlot
.Length());
if (checkClass)
{
ClassMetadata realClass = ClassMetadata.ReadClass(container, reader);
if (realClass != classMetadata)
{
return(null);
}
}
if (classMetadata.SeekToField(container.Transaction, reader, this) == HandlerVersion
.Invalid)
{
return(null);
}
return(new UUIDFieldMetadata.DatabaseIdentityIDAndUUID(reader.ReadInt(), reader.ReadLong
()));
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private DatabaseIdentityIDAndUUID ReadDatabaseIdentityIDAndUUID
(ObjectContainerBase container, ClassMetadata classMetadata, Slot oldSlot, bool
checkClass)
{
if (DTrace.enabled)
{
DTrace.RereadOldUuid.LogLength(oldSlot.Address(), oldSlot.Length());
}
var reader = container.DecryptedBufferByAddress(oldSlot.Address(), oldSlot
.Length());
if (checkClass)
{
var realClass = ClassMetadata.ReadClass(container, reader);
if (realClass != classMetadata)
{
return null;
}
}
if (classMetadata.SeekToField(container.Transaction, reader, this) == HandlerVersion
.Invalid)
{
return null;
}
return new DatabaseIdentityIDAndUUID(reader.ReadInt(), reader.ReadLong
());
}