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

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

public class ConstValueSource
extends ConstNumberSource

ConstValueSource returns a constant for all documents


Constructor Summary
ConstValueSource(float constant)
           
 
Method Summary
 String description()
          description of field, used in explain()
 boolean equals(Object o)
           
 boolean getBool()
           
 double getDouble()
           
 float getFloat()
           
 int getInt()
           
 long getLong()
           
 Number getNumber()
           
 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
createWeight, getSortField, newContext, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ConstValueSource

public ConstValueSource(float constant)
Method Detail

description

public String description()
Description copied from class: ValueSource
description of field, used in explain()

Specified by:
description in class ValueSource

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

hashCode

public int hashCode()
Specified by:
hashCode in class ValueSource

equals

public boolean equals(Object o)
Specified by:
equals in class ValueSource

getInt

public int getInt()
Specified by:
getInt in class ConstNumberSource

getLong

public long getLong()
Specified by:
getLong in class ConstNumberSource

getFloat

public float getFloat()
Specified by:
getFloat in class ConstNumberSource

getDouble

public double getDouble()
Specified by:
getDouble in class ConstNumberSource

getNumber

public Number getNumber()
Specified by:
getNumber in class ConstNumberSource

getBool

public boolean getBool()
Specified by:
getBool in class ConstNumberSource


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