public Cache(ImmutableList <Record> records)
{
if (records.IsEmpty)
{
_observerRowsMap = ImmutableDictionary.Create <UniqueAddress, ImmutableDictionary <UniqueAddress, Record> >();
_allTerminated = ImmutableHashSet.Create <UniqueAddress>();
_allUnreachable = ImmutableHashSet.Create <UniqueAddress>();
}
else
{
var mapBuilder = new Dictionary <UniqueAddress, ImmutableDictionary <UniqueAddress, Record> >();
var terminatedBuilder = ImmutableHashSet.CreateBuilder <UniqueAddress>();
var unreachableBuilder = ImmutableHashSet.CreateBuilder <UniqueAddress>();
foreach (var r in records)
{
ImmutableDictionary <UniqueAddress, Record> m;
if (mapBuilder.TryGetValue(r.Observer, out m))
{
m = m.SetItem(r.Subject, r);
}
else
{
//TODO: Other collections take items for Create. Create unnecessary array here
m = ImmutableDictionary.CreateRange(new[] { new KeyValuePair <UniqueAddress, Record>(r.Subject, r) });
}
mapBuilder.AddOrSet(r.Observer, m);
if (r.Status == ReachabilityStatus.Unreachable)
{
unreachableBuilder.Add(r.Subject);
}
else if (r.Status == ReachabilityStatus.Terminated)
{
terminatedBuilder.Add(r.Subject);
}
}
_observerRowsMap = ImmutableDictionary.CreateRange(mapBuilder);
_allTerminated = terminatedBuilder.ToImmutable();
_allUnreachable = unreachableBuilder.ToImmutable().Except(AllTerminated);
}
_allUnreachableOrTerminated = _allTerminated.IsEmpty
? AllUnreachable
: AllUnreachable.Union(AllTerminated);
}
/// <summary>
/// TBD
/// </summary>
/// <param name="records">TBD</param>
public Cache(ImmutableList <Record> records)
{
if (records.IsEmpty)
{
ObserverRowMap = ImmutableDictionary <UniqueAddress, ImmutableDictionary <UniqueAddress, Record> >
.Empty;
AllTerminated = ImmutableHashSet <UniqueAddress> .Empty;
AllUnreachable = ImmutableHashSet <UniqueAddress> .Empty;
}
else
{
var mapBuilder = new Dictionary <UniqueAddress, ImmutableDictionary <UniqueAddress, Record> >();
var terminatedBuilder = ImmutableHashSet.CreateBuilder <UniqueAddress>();
var unreachableBuilder = ImmutableHashSet.CreateBuilder <UniqueAddress>();
foreach (var r in records)
{
ImmutableDictionary <UniqueAddress, Record> m = mapBuilder.TryGetValue(r.Observer, out var mR)
? mR.SetItem(r.Subject, r)
: ImmutableDictionary <UniqueAddress, Record> .Empty.Add(r.Subject, r);
mapBuilder[r.Observer] = m;
if (r.Status == ReachabilityStatus.Unreachable)
{
unreachableBuilder.Add(r.Subject);
}
else if (r.Status == ReachabilityStatus.Terminated)
{
terminatedBuilder.Add(r.Subject);
}
}
ObserverRowMap = ImmutableDictionary.CreateRange(mapBuilder);
AllTerminated = terminatedBuilder.ToImmutable();
AllUnreachable = unreachableBuilder.ToImmutable().Except(AllTerminated);
}
AllUnreachableOrTerminated = AllTerminated.IsEmpty
? AllUnreachable
: AllUnreachable.Union(AllTerminated);
}
