//Constructor
/// <summary>
/// Creates an initialized instance
/// </summary>
/// <param name="availableFieldNames">Collection of names of all available input fields</param>
/// <param name="settings">Configuration</param>
public DiffTransformer(List <string> availableFieldNames, DiffTransformerSettings settings)
{
_settings = (DiffTransformerSettings)settings.DeepClone();
_fieldIdx = availableFieldNames.IndexOf(_settings.InputFieldName);
if (_fieldIdx == -1)
{
throw new InvalidOperationException($"Input field name {_settings.InputFieldName} not found among given available fields.");
}
_lastValues = new SimpleQueue <double>(_settings.Interval);
return;
}
/// <summary>
/// The deep copy constructor.
/// </summary>
/// <param name="source">The source instance.</param>
public DiffTransformerSettings(DiffTransformerSettings source)
: this(source.InputFieldName, source.PastInterval)
{
return;
}