private ImplementationSelection AddToSelections([NotNull] SelectionCandidate candidate, [NotNull] Requirements requirements, [NotNull, ItemNotNull] IEnumerable <SelectionCandidate> allCandidates)
{
var selection = candidate.ToSelection(allCandidates, requirements);
Selections.Implementations.Add(selection);
_restrictions.AddRange(selection.Restrictions);
return(selection);
}
/// <summary>
/// Turns a <see cref="SelectionCandidate"/> into a <see cref="ImplementationSelection"/>.
/// </summary>
/// <param name="candidate">The selection candidate.</param>
/// <param name="requirements">The requirements the candidate was chosen for.</param>
/// <param name="allCandidates">All candidates that were considered for selection (including <paramref name="candidate"/>). These are used to present the user with possible alternatives.</param>
public static ImplementationSelection ToSelection(this SelectionCandidate candidate, Requirements requirements, [InstantHandle] IEnumerable <SelectionCandidate> allCandidates)
{
#region Sanity checks
if (candidate == null)
{
throw new ArgumentNullException(nameof(candidate));
}
if (allCandidates == null)
{
throw new ArgumentNullException(nameof(allCandidates));
}
if (requirements == null)
{
throw new ArgumentNullException(nameof(requirements));
}
#endregion
var implementation = candidate.Implementation;
var selection = new ImplementationSelection(allCandidates)
{
ID = implementation.ID,
LocalPath = implementation.LocalPath,
ManifestDigest = implementation.ManifestDigest,
Architecture = implementation.Architecture,
Version = implementation.Version,
Released = implementation.Released,
Stability = candidate.EffectiveStability,
License = implementation.License,
UnknownAttributes = implementation.UnknownAttributes,
UnknownElements = implementation.UnknownElements,
InterfaceUri = requirements.InterfaceUri
};
if (candidate.FeedUri != requirements.InterfaceUri)
{
selection.FromFeed = candidate.FeedUri;
}
if (implementation is ExternalImplementation externalImplementation)
{
selection.QuickTestFile = externalImplementation.QuickTestFile;
}
selection.Bindings.AddRange(implementation.Bindings.CloneElements());
selection.AddDependencies(requirements, from: candidate.Implementation);
selection.AddCommand(requirements, from: candidate.Implementation);
return(selection);
}
private bool ConflictsWithExistingRestrictions([NotNull] SelectionCandidate candidate, [NotNull] FeedUri interfaceUri)
{
var nativeImplementation = candidate.Implementation as ExternalImplementation;
foreach (var restriction in _restrictions.Where(x => x.InterfaceUri == interfaceUri))
{
if (restriction.Versions != null && !restriction.Versions.Match(candidate.Version))
{
return(true);
}
if (nativeImplementation != null && !restriction.Distributions.ContainsOrEmpty(nativeImplementation.Distribution))
{
return(true);
}
}
return(false);
}
private bool ConflictsWithExistingSelections([NotNull] SelectionCandidate candidate)
{
var nativeImplementation = candidate.Implementation as ExternalImplementation;
foreach (var restriction in candidate.Implementation.Restrictions)
{
var existingSelection = Selections.GetImplementation(restriction.InterfaceUri);
if (existingSelection != null)
{
if (restriction.Versions != null && !restriction.Versions.Match(existingSelection.Version))
{
return(true);
}
if (nativeImplementation != null && !restriction.Distributions.ContainsOrEmpty(nativeImplementation.Distribution))
{
return(true);
}
}
}
return(false);
}