internal AnonymousClassFieldCacheDocIdSet(FieldCache.Singles values, float inclusiveLowerPoint, float inclusiveUpperPoint, int maxDoc, IBits acceptDocs)
: base(maxDoc, acceptDocs)
{
this.values = values;
this.inclusiveLowerPoint = inclusiveLowerPoint;
this.inclusiveUpperPoint = inclusiveUpperPoint;
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, IBits acceptDocs)
{
// we transform the floating point numbers to sortable integers
// using NumericUtils to easier find the next bigger/lower value
float inclusiveLowerPoint;
float inclusiveUpperPoint;
if (lowerVal != null)
{
float f = (float)lowerVal;
if (!includeUpper && f > 0.0f && float.IsInfinity(f))
{
return(null);
}
int i = NumericUtils.SingleToSortableInt32(f);
inclusiveLowerPoint = NumericUtils.SortableInt32ToSingle(includeLower ? i : (i + 1));
}
else
{
inclusiveLowerPoint = float.NegativeInfinity;
}
if (upperVal != null)
{
float f = (float)upperVal;
if (!includeUpper && f < 0.0f && float.IsInfinity(f))
{
return(null);
}
int i = NumericUtils.SingleToSortableInt32(f);
inclusiveUpperPoint = NumericUtils.SortableInt32ToSingle(includeUpper ? i : (i - 1));
}
else
{
inclusiveUpperPoint = float.PositiveInfinity;
}
if (inclusiveLowerPoint > inclusiveUpperPoint)
{
return(null);
}
FieldCache.Singles values = FieldCache.DEFAULT.GetSingles(context.AtomicReader, field, (FieldCache.ISingleParser)parser, false);
// we only request the usage of termDocs, if the range contains 0
return(new FieldCacheDocIdSet(context.Reader.MaxDoc, acceptDocs, (doc) =>
{
float value = values.Get(doc);
return value >= inclusiveLowerPoint && value <= inclusiveUpperPoint;
}));
}