public GroupedConnectionKey(IConnection connection, GroupedConnectionKeyLevel level)
{
Level = level;
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
var hashCode = Concat(GroupedConnectionKeyLevel.Host, connection.Host).GetHashCode();
if (level == GroupedConnectionKeyLevel.AuthorisationKey)
{
hashCode = (hashCode * 397) ^
Concat(GroupedConnectionKeyLevel.AuthorisationKey, connection.AuthorisationKey).GetHashCode();
}
if (level == GroupedConnectionKeyLevel.DatabaseId)
{
hashCode = (hashCode * 397) ^
Concat(GroupedConnectionKeyLevel.DatabaseId, connection.DatabaseId).GetHashCode();
}
if (level == GroupedConnectionKeyLevel.CollectionId)
{
hashCode = (hashCode * 397) ^
Concat(GroupedConnectionKeyLevel.CollectionId, connection.CollectionId).GetHashCode();
}
_hashCode = hashCode;
}
public static IDisposable BuildChildNodes <TNode>(
this IExplicitConnectionCache explicitConnectionCache,
IImplicitConnectionCache implicitConnectionCache,
GroupedConnectionKey parentKey,
GroupedConnectionKeyLevel childKeyLevel,
Func <GroupedConnection, TNode> childNodeFactory,
IComparer <TNode> sortComparer,
IScheduler scheduler,
out ReadOnlyObservableCollection <TNode> nodes)
{
return(explicitConnectionCache.Connect()
//user could dupe the connections, so we group em all
.Filter(FilterBuilder <ExplicitConnection>(parentKey))
.Group(explicitCn => new GroupedConnectionKey(explicitCn, childKeyLevel))
.FullJoin(
implicitConnectionCache.Connect()
.Filter(FilterBuilder <ImplicitConnection>(parentKey))
.Group(
implicitCn =>
new GroupedConnectionKey(implicitCn, childKeyLevel)),
implicitGroup => implicitGroup.Key,
(key, left, right) =>
new GroupedConnection(key, left.GetOptionalConnections(), right.GetOptionalConnections()))
.Filter(gc => !string.IsNullOrEmpty(gc[childKeyLevel]))
.Transform(childNodeFactory)
.DisposeMany()
.Sort(sortComparer)
.ObserveOn(scheduler)
.Bind(out nodes)
.Subscribe());
}
private static string Concat(GroupedConnectionKeyLevel level, string value)
{
return(level + (value ?? ""));
}
public string this[GroupedConnectionKeyLevel keyLevel] => _valueIndex[keyLevel];
