private void LoadPrefixMap(Cursor dataTableCursor)
{
// Find the Schema Naming Context by its objectCategory
dataTableCursor.CurrentIndex = this.FindIndexName(CommonDirectoryAttributes.ObjectCategory);
int schemaObjectCategoryId = this.FindClassId(CommonDirectoryClasses.Schema);
bool schemaFound = dataTableCursor.GotoKey(Key.Compose(schemaObjectCategoryId));
// Load the prefix map from this object
var prefixMapColId = this.FindColumnId(CommonDirectoryAttributes.PrefixMap);
byte[] binaryPrefixMap = dataTableCursor.RetrieveColumnAsByteArray(prefixMapColId);
this.PrefixMapper = new PrefixMap(binaryPrefixMap);
foreach(var attribute in this.attributesByName.Values)
{
if (attribute.Id.HasValue)
{
attribute.Oid = this.PrefixMapper.Translate((uint)attribute.Id.Value);
}
}
}
private Columnid LoadColumnIdByAttributeName(Cursor cursor, string attributeName)
{
Columnid attributeIdCol = this.attributesByInternalId[CommonDirectoryAttributes.AttributeIdId].ColumnID;
// Assume that attributeNameIndex is set as the current index
cursor.GotoKey(Key.Compose(attributeName));
int attributeId = cursor.RetrieveColumnAsInt(attributeIdCol).Value;
return this.attributesByInternalId[attributeId].ColumnID;
}