org.apache.lucene.queries.function.valuesource

Class FloatFieldSource

java.lang.Object

org.apache.lucene.queries.function.ValueSource

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

org.apache.lucene.queries.function.valuesource.FloatFieldSource

public class FloatFieldSource
extends FieldCacheSource

Obtains float field values from FieldCache.getFloats(org.apache.lucene.index.AtomicReader, java.lang.String, boolean) and makes those values available as other numeric types, casting as needed.

Field Summary

Fields

Modifier and Type	Field and Description
protected FieldCache.FloatParser	parser

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

cache, field

Constructor Summary

Constructors

Constructor and Description
FloatFieldSource(String field)
FloatFieldSource(String field, FieldCache.FloatParser parser)

Method Summary

Methods

Modifier and Type	Method and Description
String	description() description of field, used in explain()
boolean	equals(Object o)
FunctionValues	getValues(Map context, AtomicReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight()
int	hashCode()

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

getField, getFieldCache

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

createWeight, getSortField, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

parser

protected final FieldCache.FloatParser parser

Constructor Detail

FloatFieldSource

public FloatFieldSource(String field)

FloatFieldSource

public FloatFieldSource(String field,
                FieldCache.FloatParser parser)

Method Detail

description

public String description()

Description copied from class: ValueSource

description of field, used in explain()

Overrides:

description in class FieldCacheSource

getValues

public FunctionValues getValues(Map context,
                       AtomicReaderContext readerContext)
                         throws IOException

Description copied from class: ValueSource

Gets the values for this reader and the context that was previously passed to createWeight()

Specified by:

getValues in class ValueSource

Throws:

IOException

equals

public boolean equals(Object o)

Overrides:

equals in class FieldCacheSource

hashCode

public int hashCode()

Overrides:

hashCode in class FieldCacheSource