/// <summary> Initializes the token stream with the supplied <code>float</code> value.</summary>
/// <param name="value">the value, for which this TokenStream should enumerate tokens.
/// </param>
/// <returns> this instance, because of this you can use it the following way:
/// <code>new Field(name, new NumericTokenStream(precisionStep).SetFloatValue(value))</code>
/// </returns>
public NumericTokenStream SetFloatValue(float value_Renamed)
{
this.value_Renamed = (long)NumericUtils.FloatToSortableInt(value_Renamed);
valSize = 32;
shift = 0;
return(this);
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
// 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 = System.Convert.ToSingle(((System.ValueType)lowerVal));
if (!includeUpper && f > 0.0f && System.Single.IsInfinity(f))
{
return(DocIdSet.EMPTY_DOCIDSET);
}
int i = NumericUtils.FloatToSortableInt(f);
inclusiveLowerPoint = NumericUtils.SortableIntToFloat(includeLower?i:(i + 1));
}
else
{
inclusiveLowerPoint = System.Single.NegativeInfinity;
}
if (upperVal != null)
{
float f = System.Convert.ToSingle(((System.ValueType)upperVal));
if (!includeUpper && f < 0.0f && System.Single.IsInfinity(f))
{
return(DocIdSet.EMPTY_DOCIDSET);
}
int i = NumericUtils.FloatToSortableInt(f);
inclusiveUpperPoint = NumericUtils.SortableIntToFloat(includeUpper?i:(i - 1));
}
else
{
inclusiveUpperPoint = System.Single.PositiveInfinity;
}
if (inclusiveLowerPoint > inclusiveUpperPoint)
{
return(DocIdSet.EMPTY_DOCIDSET);
}
float[] values = Mono.Lucene.Net.Search.FieldCache_Fields.DEFAULT.GetFloats(reader, field, (Mono.Lucene.Net.Search.FloatParser)parser);
// we only request the usage of termDocs, if the range contains 0
return(new AnonymousClassFieldCacheDocIdSet(values, inclusiveLowerPoint, inclusiveUpperPoint, this, reader, (inclusiveLowerPoint <= 0.0f && inclusiveUpperPoint >= 0.0f)));
}
internal NumericRangeTermEnum(NumericRangeQuery enclosingInstance, IndexReader reader)
{
InitBlock(enclosingInstance);
this.reader = reader;
switch (Enclosing_Instance.valSize)
{
case 64: {
// lower
long minBound = System.Int64.MinValue;
if (Enclosing_Instance.min is System.Int64)
{
minBound = System.Convert.ToInt64(Enclosing_Instance.min);
}
else if (Enclosing_Instance.min is System.Double)
{
minBound = NumericUtils.DoubleToSortableLong(System.Convert.ToDouble(Enclosing_Instance.min));
}
if (!Enclosing_Instance.minInclusive && Enclosing_Instance.min != null)
{
if (minBound == System.Int64.MaxValue)
{
break;
}
minBound++;
}
// upper
long maxBound = System.Int64.MaxValue;
if (Enclosing_Instance.max is System.Int64)
{
maxBound = System.Convert.ToInt64(Enclosing_Instance.max);
}
else if (Enclosing_Instance.max is System.Double)
{
maxBound = NumericUtils.DoubleToSortableLong(System.Convert.ToDouble(Enclosing_Instance.max));
}
if (!Enclosing_Instance.maxInclusive && Enclosing_Instance.max != null)
{
if (maxBound == System.Int64.MinValue)
{
break;
}
maxBound--;
}
NumericUtils.SplitLongRange(new AnonymousClassLongRangeBuilder(this), Enclosing_Instance.precisionStep, minBound, maxBound);
break;
}
case 32: {
// lower
int minBound = System.Int32.MinValue;
if (Enclosing_Instance.min is System.Int32)
{
minBound = System.Convert.ToInt32(Enclosing_Instance.min);
}
else if (Enclosing_Instance.min is System.Single)
{
minBound = NumericUtils.FloatToSortableInt(System.Convert.ToSingle(Enclosing_Instance.min));
}
if (!Enclosing_Instance.minInclusive && Enclosing_Instance.min != null)
{
if (minBound == System.Int32.MaxValue)
{
break;
}
minBound++;
}
// upper
int maxBound = System.Int32.MaxValue;
if (Enclosing_Instance.max is System.Int32)
{
maxBound = System.Convert.ToInt32(Enclosing_Instance.max);
}
else if (Enclosing_Instance.max is System.Single)
{
maxBound = NumericUtils.FloatToSortableInt(System.Convert.ToSingle(Enclosing_Instance.max));
}
if (!Enclosing_Instance.maxInclusive && Enclosing_Instance.max != null)
{
if (maxBound == System.Int32.MinValue)
{
break;
}
maxBound--;
}
NumericUtils.SplitIntRange(new AnonymousClassIntRangeBuilder(this), Enclosing_Instance.precisionStep, minBound, maxBound);
break;
}
default:
// should never happen
throw new System.ArgumentException("valSize must be 32 or 64");
}
// seek to first term
Next();
}