/// <summary>
/// Attempts to convert the string representation of a <see cref="MeasurementKey"/> into its value equivalent.
/// </summary>
/// <param name="value">A string representing the <see cref="MeasurementKey"/> to convert.</param>
/// <param name="key">Output <see cref="MeasurementKey"/> in which to stored parsed value.</param>
/// <returns>A <c>true</c> if <see cref="MeasurementKey"/>representation contained in <paramref name="value"/> could be parsed; otherwise <c>false</c>.</returns>
public static bool TryParse(string value, out MeasurementKey key)
{
// Split the input into source and ID
if (TrySplit(value, out string source, out ulong id))
{
// First attempt to look up an existing key
key = LookUpBySource(source, id);
if (key == Undefined)
{
try
{
// Lookup failed - attempt to create it with a newly generated signal ID
key = CreateOrUpdate(Guid.NewGuid(), source, id);
}
catch
{
// source is null or empty
key = Undefined;
}
}
}
/// <summary> /// Creates a new instance of <see cref="MeasurementMetadata"/> using the provided measurement <paramref name="key"/>. All other fields remain the same. /// </summary> /// <param name="key">The key to set.</param> /// <returns>New instance of <see cref="MeasurementMetadata"/> using the provided measurement <paramref name="key"/>.</returns> public MeasurementMetadata ChangeKey(MeasurementKey key) => Key == key ? this : new MeasurementMetadata(key, TagName, Adder, Multiplier);
