Package org.apache.lucene.queries.function.valuesource

Class BytesRefFieldSource

java.lang.Object

org.apache.lucene.queries.function.ValueSource

org.apache.lucene.queries.function.valuesource.FieldCacheSource

org.apache.lucene.queries.function.valuesource.BytesRefFieldSource

public class BytesRefFieldSource
extends FieldCacheSource

An implementation for retrieving FunctionValues instances for string based fields.

Field Summary

Fields inherited from class org.apache.lucene.queries.function.valuesource.FieldCacheSource

field

Constructor Summary

Constructors

Constructor	Description
BytesRefFieldSource(String field)

Method Summary

Modifier and Type	Method	Description
FunctionValues	getValues(Map<Object,Object> context, LeafReaderContext readerContext)	Gets the values for this reader and the context that was previously passed to createWeight().

Methods inherited from class org.apache.lucene.queries.function.valuesource.FieldCacheSource

description, equals, getField, hashCode

Methods inherited from class org.apache.lucene.queries.function.ValueSource

asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, getSortField, newContext, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

BytesRefFieldSource

public BytesRefFieldSource(String field)

Method Detail

getValues

public FunctionValues getValues(Map<Object,Object> context,
                                LeafReaderContext readerContext)
                         throws IOException

Description copied from class: ValueSource

Gets the values for this reader and the context that was previously passed to createWeight(). The values must be consumed in a forward docID manner, and you must call this method again to iterate through the values again.

Specified by:

getValues in class ValueSource

Throws:

IOException