public T[] Execute()
{
var bitsCount = 0;
for (var i = 0; i < _queryResultBitMap.GetArray.Length; i++)
{
bitsCount += MathHelper.BitsCount((ulong)_queryResultBitMap.GetArray[i]);
}
if (bitsCount <= 0)
{
return(Array.Empty <T>());
}
var result = new T[bitsCount];
var resultIndex = 0;
for (var i = 0; i < _bitMapIndex.Count; i++)
{
if (_queryResultBitMap.Get(i))
{
result[resultIndex] = _bitMapIndex[i];
resultIndex++;
}
}
return(result);
}