/// <summary>
/// Attempts to validate an incoming floating-point tag value.
/// </summary>
/// <param name="tag">The tag for the value.</param>
/// <param name="originalValue">The incoming value.</param>
/// <param name="stateSet">The state set for the <paramref name="tag"/>.</param>
/// <param name="validatedValue">The validated value.</param>
/// <returns>
/// A flag that indicates if the value was validated. If <paramref name="stateSet"/>
/// is <see langword="null"/>, or if it does not match the name specified in the
/// <see cref="TagDefinition.StateSet"/> property of the <paramref name="tag"/>, the
/// result will be <see langword="false"/>.
/// </returns>
private static bool TryValidateStateValue(TagDefinition tag, TagValue originalValue, StateSet stateSet, out TagValue validatedValue)
{
if (stateSet == null || !stateSet.Name.Equals(tag.StateSet, StringComparison.OrdinalIgnoreCase))
{
validatedValue = null;
return(false);
}
StateSetItem state = null;
if (!String.IsNullOrWhiteSpace(originalValue.TextValue))
{
state = stateSet[originalValue.TextValue];
}
if (state == null)
{
var valAsInt = (int)originalValue.NumericValue;
state = stateSet.States.FirstOrDefault(x => x.Value == valAsInt);
}
if (state == null)
{
validatedValue = null;
return(false);
}
validatedValue = new TagValue(originalValue.UtcSampleTime, state.Value, state.Name, originalValue.Quality, null);
return(true);
}
/// <summary>
/// Creates a new <see cref="StateSetItemDto"/> object from the specified <see cref="StateSetItem"/>.
/// </summary>
/// <param name="item">The <see cref="StateSetItem"/> to copy the configuration from.</param>
/// <exception cref="ArgumentNullException"><paramref name="item"/> is <see langword="null"/>.</exception>
internal static StateSetItemDto ToStateSetItemDto(this StateSetItem item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
return(new StateSetItemDto()
{
Name = item.Name,
Value = item.Value
});
}
