/// <summary>
/// Constructs a <see cref="NumericConfig"/> object.
/// </summary>
/// <param name="precisionStep">the precision used to index the numeric values</param>
/// <param name="format">the <see cref="NumberFormat"/> used to parse a <see cref="string"/> to an <see cref="object"/> representing a .NET numeric type.</param>
/// <param name="type">the numeric type used to index the numeric values</param>
/// <seealso cref="NumericConfig.PrecisionStep"/>
/// <seealso cref="NumericConfig.NumberFormat"/>
/// <seealso cref="Type"/>
public NumericConfig(int precisionStep, NumberFormat format,
FieldType.NumericType type)
{
PrecisionStep = precisionStep;
NumberFormat = format;
Type = type;
}
public virtual Query Build(IQueryNode queryNode)
{
NumericRangeQueryNode numericRangeNode = (NumericRangeQueryNode)queryNode;
NumericQueryNode lowerNumericNode = (NumericQueryNode)numericRangeNode.LowerBound;
NumericQueryNode upperNumericNode = (NumericQueryNode)numericRangeNode.UpperBound;
/*Number*/
object lowerNumber = lowerNumericNode.Value;
/*Number*/
object upperNumber = upperNumericNode.Value;
NumericConfig numericConfig = numericRangeNode.NumericConfig;
FieldType.NumericType numberType = numericConfig.Type;
string field = StringUtils.ToString(numericRangeNode.Field);
bool minInclusive = numericRangeNode.IsLowerInclusive;
bool maxInclusive = numericRangeNode.IsUpperInclusive;
int precisionStep = numericConfig.PrecisionStep;
switch (numberType)
{
case FieldType.NumericType.LONG:
return(NumericRangeQuery.NewLongRange(field, precisionStep,
(long?)lowerNumber, (long?)upperNumber, minInclusive, maxInclusive));
case FieldType.NumericType.INT:
return(NumericRangeQuery.NewIntRange(field, precisionStep,
(int?)lowerNumber, (int?)upperNumber, minInclusive,
maxInclusive));
case FieldType.NumericType.FLOAT:
return(NumericRangeQuery.NewFloatRange(field, precisionStep,
(float?)lowerNumber, (float?)upperNumber, minInclusive,
maxInclusive));
case FieldType.NumericType.DOUBLE:
return(NumericRangeQuery.NewDoubleRange(field, precisionStep,
(double?)lowerNumber, (double?)upperNumber, minInclusive,
maxInclusive));
default:
throw new QueryNodeException(new MessageImpl(
QueryParserMessages.UNSUPPORTED_NUMERIC_DATA_TYPE, numberType));
}
}
