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

java.lang.Object
  org.apache.lucene.queries.function.ValueSource
      org.apache.lucene.queries.function.valuesource.FieldCacheSource

Direct Known Subclasses:

ByteFieldSource, BytesRefFieldSource, DoubleFieldSource, FloatFieldSource, IntFieldSource, JoinDocFreqValueSource, LongFieldSource, ShortFieldSource

public abstract class FieldCacheSource
extends ValueSource

A base class for ValueSource implementations that retrieve values for a single field from the FieldCache.

Field Summary

protected FieldCache	cache
protected String	field

Constructor Summary

FieldCacheSource(String field)

Method Summary

String	description() description of field, used in explain()
boolean	equals(Object o)
String	getField()
FieldCache	getFieldCache()
int	hashCode()

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

createWeight, getSortField, getValues, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

field

protected final String field

cache

protected final FieldCache cache

Constructor Detail

FieldCacheSource

public FieldCacheSource(String field)

Method Detail

getFieldCache

public FieldCache getFieldCache()

getField

public String getField()

description

public String description()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource

equals

public boolean equals(Object o)

Specified by:

equals in class ValueSource

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource