public Maybe <PropertyValue> Read(NID[] nodePath, int rowId, PropertyTag propertyTag)
{
var rowIndex = rowIndexReader.GetRowIndex(nodePath, rowId);
if (rowIndex.HasNoValue)
{
return(Maybe <PropertyValue> .NoValue());
}
var row = rowMatrixReader.GetRow(nodePath, rowIndex.Value);
if (row.HasNoValue)
{
return(Maybe <PropertyValue> .NoValue());
}
if (!row.Value.Values.ContainsKey(propertyTag.Value))
{
return(Maybe <PropertyValue> .NoValue());
}
var propertyValue = row.Value.Values[propertyTag.Value];
return(propertyValueReader.Read(nodePath, propertyTag.Type, propertyValue));
}
public Maybe <PropertyValue> Read(NID[] nodePath, PropertyTag propertyTag)
{
var dataRecord = bthReader.ReadDataRecord(nodePath, propertyTag.Id);
if (dataRecord.HasNoValue)
{
return(Maybe <PropertyValue> .NoValue());
}
return(propertyValueReader.Read(nodePath, propertyTag.Type, dataRecord.Value.Data.Take(2, 4)));
}