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

java.lang.Object
  extended by org.apache.lucene.queries.function.ValueSource
      extended by 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


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