public IEnumerable <IMultiGetHit <T> > GetMany <T>(IEnumerable <string> ids) where T : class
{
var docs = Hits.OfType <IMultiGetHit <T> >();
return(from d in docs
join id in ids on d.Id equals id
select d);
}
/// <summary>
/// Retrieves the hits for each distinct id.
/// </summary>
/// <param name="ids">The ids to retrieve source for</param>
/// <typeparam name="T">The document type for the hits to return</typeparam>
/// <returns>An IEnumerable{T} of hits</returns>
public IEnumerable <IMultiGetHit <T> > GetMany <T>(IEnumerable <string> ids) where T : class
{
HashSet <string> seenIndices = null;
foreach (var id in ids.Distinct())
{
if (seenIndices == null)
{
seenIndices = new HashSet <string>();
}
else
{
seenIndices.Clear();
}
foreach (var doc in Hits.OfType <IMultiGetHit <T> >())
{
if (string.Equals(doc.Id, id) && seenIndices.Add(doc.Index))
{
yield return(doc);
}
}
}
}
public MultiGetHit <T> Get <T>(string id) where T : class => Hits.OfType <MultiGetHit <T> >().FirstOrDefault(m => m.Id == id);