private IEnumerable <SettingProperty> ChangedProperties(SettingObject newSettings)
{
PValueEqualityComparer eq = PValueEqualityComparer.Instance;
foreach (var property in Settings.Schema.AllProperties)
{
// Change if added, updated or deleted.
if (Settings.TryGetRawValue(property, out PValue oldValue))
{
if (newSettings.TryGetRawValue(property, out PValue newValue))
{
if (!eq.AreEqual(oldValue, newValue))
{
// Updated.
yield return(property);
}
}
else
{
// Deleted.
yield return(property);
}
}
else if (newSettings.TryGetRawValue(property, out _))
{
// Added.
yield return(property);
}
}
}
/// <summary>
/// Compares this <see cref="PMap"/> with another and returns if they are equal.
/// </summary>
/// <param name="other">
/// The <see cref="PMap"/> to compare with.
/// </param>
/// <returns>
/// true if both <see cref="PMap"/> instances are equal; otherwise false.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="other"/> is null.
/// </exception>
public bool EqualTo(PMap other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
// Compare Count properties for a fast exit if they are different.
if (map.Count != other.map.Count)
{
return(false);
}
// Both key sets need to match exactly, but if Counts are equal a unidirectional check is sufficient.
PValueEqualityComparer eq = PValueEqualityComparer.Instance;
return(map.All(kv => other.map.TryGetValue(kv.Key, out PValue otherValue) &&
eq.AreEqual(kv.Value, otherValue)));
}
