private void UpdateDependenciesSnapshotAsync(
ImmutableDictionary <ITargetFramework, IDependenciesChanges> changes,
IProjectCatalogSnapshot catalogs,
ITargetFramework activeTargetFramework)
{
DependenciesSnapshot newSnapshot;
bool anyChanges = false;
HashSet <string> projectItemSpecs = GetProjectItemSpecsFromSnapshot(catalogs);
// Note: we are updating existing snapshot, not receivig a complete new one. Thus we must
// ensure incremental updates are done in the correct order. This lock ensures that here.
lock (_snapshotLock)
{
newSnapshot = DependenciesSnapshot.FromChanges(
CommonServices.Project.FullPath,
_currentSnapshot,
changes,
catalogs,
activeTargetFramework,
SnapshotFilters.Select(x => x.Value),
SubTreeProviders.Select(x => x.Value),
projectItemSpecs,
out anyChanges);
_currentSnapshot = newSnapshot;
}
if (anyChanges)
{
// avoid unnecessary tree updates
ScheduleDependenciesUpdate();
}
}
public TestableDependenciesViewModelFactory(UnconfiguredProject project, IEnumerable <IProjectDependenciesSubTreeProvider> providers)
: base(project)
{
foreach (var provider in providers)
{
SubTreeProviders.Add(new Lazy <IProjectDependenciesSubTreeProvider, IOrderPrecedenceMetadataView>(
() => { return(provider); }, new TestPrecedenceMetadataView()));
}
}
/// <summary>
/// Returns a dependencies node sub tree provider for given dependency provider type.
/// </summary>
/// <param name="providerType">
/// Type of the dependnecy. It is expected to be a unique string associated with a provider.
/// </param>
/// <returns>
/// Instance of <see cref="IProjectDependenciesSubTreeProvider"/> or null if there no provider
/// for given type.
/// </returns>
IProjectDependenciesSubTreeProvider IDependenciesGraphProjectContext.GetProvider(string providerType)
{
if (string.IsNullOrEmpty(providerType))
{
return(null);
}
var lazyProvider = SubTreeProviders.FirstOrDefault(x => providerType.Equals(x.Value.ProviderType,
StringComparison.OrdinalIgnoreCase));
if (lazyProvider == null)
{
return(null);
}
return(lazyProvider.Value);
}
IEnumerable <IProjectDependenciesSubTreeProvider> IDependenciesGraphProjectContext.GetProviders()
{
return(SubTreeProviders.Select(x => x.Value).ToList());
}
