///<inheritdoc/>
public (IEnumerable <IndexEntry <T> >, string) Query(string hash, int minimumHits = 1, bool lockPrecision = false, T exclude = default)
{
IEnumerable <IndexEntry <T> > entries;
while (true)
{
var trieMapSearchResult = _trieMap.Search(hash);
entries = trieMapSearchResult.SelectMany(sr => sr.IndexEntries); // Each entry in the map is a list, so we flatten the result
int hitCount;
if (exclude != null && !exclude.Equals(default(T)))
{
entries = entries.Where(entry => !entry.Value.Equals(exclude));
}
hitCount = entries.Count();
if (hitCount >= minimumHits)
{
break;
}
else if (lockPrecision)
{
break;
}
else if (hash.Length == 1)
{
break;
}
hash = _geohasher.Reduce(hash);
}
return(entries, hash);
}
private IEnumerable <IndexEntry <T> > Search(string geohash)
{
IEnumerable <IndexEntry <T> > entries;
var trieMapSearchResult = _trieMap.Search(geohash);
entries = trieMapSearchResult.SelectMany(sr => sr.IndexEntries); // Each entry in the map is a list, so we flatten the result
return(entries);
}