/// <summary>
/// Initializes the new empty trait of a Context.
/// </summary>
internal MultiTrait(MultiTraitContext ctx)
{
Debug.Assert(ctx.EmptyTrait == null, "There is only one empty trait per context.");
_context = ctx;
_trait = String.Empty;
_traits = ReadOnlyListEmpty <MultiTrait> .Empty;
_fallbacks = new ReadOnlyListMono <MultiTrait>(this);
}
/// <summary>
/// Initializes a new atomic trait.
/// </summary>
internal MultiTrait(MultiTraitContext ctx, string atomicTrait)
{
Debug.Assert(atomicTrait.Contains('+') == false);
_context = ctx;
_trait = atomicTrait;
_traits = new ReadOnlyListMono <MultiTrait>(this);
_fallbacks = ctx.EmptyTrait.Fallbacks;
}
/// <summary>
/// Initializes a new combined trait.
/// </summary>
internal MultiTrait(MultiTraitContext ctx, string combinedTrait, IReadOnlyList <MultiTrait> traits)
{
Debug.Assert(combinedTrait.IndexOf('+') > 0 && traits.Count > 1, "There is more than one trait in a Combined Trait.");
Debug.Assert(traits.All(m => m.IsAtomic), "Provided traits are all atomic.");
Debug.Assert(traits.GroupBy(m => m).Where(g => g.Count() != 1).Count() == 0, "No duplicate in atomic in traits.");
_context = ctx;
_trait = combinedTrait;
_traits = traits;
}
public void Setup()
{
Context = new MultiTraitContext();
}