internal static Step GetFilterStepOrNone(this IGraphElementModel model, Type type,
FilterLabelsVerbosity verbosity, Func <string[], Step> stepFactory)
{
return(model
.TryGetFilterLabels(type, verbosity)
.Map(stepFactory)
.IfNone(NoneStep.Instance));
}
public static ImmutableArray <string>?TryGetFilterLabels(this IGraphElementModel model, Type type, FilterLabelsVerbosity verbosity)
{
var labels = DerivedLabels
.GetOrCreateValue(model)
.GetOrAdd(
type,
(closureType, closureModel) =>
{
return(closureModel.Metadata
.Where(kvp => !kvp.Key.IsAbstract && closureType.IsAssignableFrom(kvp.Key))
.Select(kvp => kvp.Value.Label)
.OrderBy(x => x)
.ToImmutableArray());
},
model);
return(labels.IsEmpty
? default(ImmutableArray <string>?)
: labels.Length == model.Metadata.Count && verbosity == FilterLabelsVerbosity.Minimum
? ImmutableArray <string> .Empty
: labels);
}
internal static ImmutableArray <string> GetFilterLabelsOrDefault(this IGraphElementModel model, Type type, FilterLabelsVerbosity verbosity)
{
return(model
.TryGetFilterLabels(type, verbosity) ?? ImmutableArray.Create(type.Name));
}
public static Option <string[]> TryGetFilterLabels(this IGraphElementModel model, Type type, FilterLabelsVerbosity filterLabelsVerbosity)
{
var labels = DerivedLabels
.GetOrCreateValue(model)
.GetOrAdd(
type,
closureType =>
{
return(model.Metadata
.Where(kvp => !kvp.Key.IsAbstract && closureType.IsAssignableFrom(kvp.Key))
.Select(kvp => kvp.Value.Label)
.OrderBy(x => x)
.ToArray());
});
return(labels.Length == 0
? default(Option <string[]>)
: labels.Length == model.Metadata.Count && filterLabelsVerbosity == FilterLabelsVerbosity.Minimum
? Array.Empty <string>()
: labels);
}
public static ImmutableArray <string>?TryGetFilterLabels(this IGraphElementModel model, Type type, FilterLabelsVerbosity verbosity)
{
var labels = model.GetCache().GetDerivedLabels(type);
return(labels.IsEmpty
? default(ImmutableArray <string>?)
: labels.Length == model.Metadata.Count && verbosity == FilterLabelsVerbosity.Minimum
? ImmutableArray <string> .Empty
: labels);
}