protected void ThrowIfDuplicateSourceColumn(string sourceColumn)
{
if (MappingMetaDataCollection.Any(metaData => metaData.SourceColumn.Equals(sourceColumn, StringComparison.Ordinal)))
{
throw new MappingException($"The mapping contains a duplicate source column: {sourceColumn}");
}
}
private void ThrowIfDuplicateDestinationColumn(string destinationColumnName)
{
if (MappingMetaDataCollection.Any(metaData => metaData.DestinationColumn.Equals(destinationColumnName, StringComparison.Ordinal)))
{
throw new MappingException($"The mapping for the {typeof(TSource).Name} model contains duplicate destination columns.");
}
}
public void ToDestinationColumn(string destinationColumnName)
{
ThrowIfDestinationColumnIsNullOrWhiteSpace(destinationColumnName);
ThrowIfDuplicateDestinationColumn(destinationColumnName);
_currentMappingMetaData.DestinationColumn = destinationColumnName;
MappingMetaDataCollection.Add(_currentMappingMetaData);
}
