org.sindice.siren.analysis

Class NumericAnalyzer.NumericParser<T extends Number>

java.lang.Object

org.sindice.siren.analysis.NumericAnalyzer.NumericParser<T>

Direct Known Subclasses:

DoubleNumericAnalyzer.DoubleNumericParser, FloatNumericAnalyzer.FloatNumericParser, IntNumericAnalyzer.IntNumericParser, LongNumericAnalyzer.LongNumericParser

Enclosing class:

NumericAnalyzer

public abstract class NumericAnalyzer.NumericParser<T extends Number>
extends Object

Constructor Summary

Constructors

Constructor and Description
NumericAnalyzer.NumericParser()

Method Summary

Methods

Modifier and Type	Method and Description
abstract org.apache.lucene.document.FieldType.NumericType	getNumericType() Returns the FieldType.NumericType of this parser.
abstract int	getValueSize() Returns the size in bits of the numeric value.
abstract T	parse(Reader input) Reads a textual representation of a numeric using a Reader, and parses the encoded numeric value.
abstract long	parseAndConvert(Reader input) Reads a textual representation of a numeric using a Reader, parses the encoded numeric value and convert the numeric value to a sortable signed int or long (in the case of a float or double).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NumericAnalyzer.NumericParser

public NumericAnalyzer.NumericParser()

Method Detail

parseAndConvert

public abstract long parseAndConvert(Reader input)
                              throws IOException

Reads a textual representation of a numeric using a Reader, parses the encoded numeric value and convert the numeric value to a sortable signed int or long (in the case of a float or double).

This is used at index time, in NumericTokenizer.

Throws:

IOException

parse

public abstract T parse(Reader input)
                                throws IOException

Reads a textual representation of a numeric using a Reader, and parses the encoded numeric value.

This is used at query time, for creating a NodeNumericRangeQuery.

Throws:

IOException

getNumericType

public abstract org.apache.lucene.document.FieldType.NumericType getNumericType()

Returns the FieldType.NumericType of this parser.

getValueSize

public abstract int getValueSize()

Returns the size in bits of the numeric value.