org.apache.solr.search.function

Class RangeMapFloatFunction

java.lang.Object

org.apache.solr.search.function.ValueSource

org.apache.solr.search.function.RangeMapFloatFunction

All Implemented Interfaces:

java.io.Serializable

public class RangeMapFloatFunction
extends ValueSource

LinearFloatFunction implements a linear function over another ValueSource.
Normally Used as an argument to a FunctionQuery

Version:

$Id: RangeMapFloatFunction.java 1065312 2011-01-30 16:08:25Z rmuir $

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.search.function.ValueSource

ValueSource.ValueSourceComparator, ValueSource.ValueSourceComparatorSource, ValueSource.ValueSourceSortField

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.Float	defaultVal
protected float	max
protected float	min
protected ValueSource	source
protected float	target

Constructor Summary

Constructors

Constructor and Description
RangeMapFloatFunction(ValueSource source, float min, float max, float target, java.lang.Float def)

Method Summary

Modifier and Type	Method and Description
void	createWeight(java.util.Map context, org.apache.lucene.search.Searcher searcher) Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context.
java.lang.String	description() description of field, used in explain()
boolean	equals(java.lang.Object o)
DocValues	getValues(java.util.Map context, org.apache.lucene.index.IndexReader reader) Gets the values for this reader and the context that was previously passed to createWeight()
int	hashCode()

Methods inherited from class org.apache.solr.search.function.ValueSource

getSortField, getValues, newContext, toString

Methods inherited from class java.lang.Object

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

Field Detail

source

protected final ValueSource source

min

protected final float min

max

protected final float max

target

protected final float target

defaultVal

protected final java.lang.Float defaultVal

Constructor Detail

RangeMapFloatFunction

public RangeMapFloatFunction(ValueSource source,
                             float min,
                             float max,
                             float target,
                             java.lang.Float def)

Method Detail

description

public java.lang.String description()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource

getValues

public DocValues getValues(java.util.Map context,
                           org.apache.lucene.index.IndexReader reader)
                    throws java.io.IOException

Description copied from class: ValueSource

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

Overrides:

getValues in class ValueSource

Throws:

java.io.IOException

createWeight

public void createWeight(java.util.Map context,
                         org.apache.lucene.search.Searcher searcher)
                  throws java.io.IOException

Description copied from class: ValueSource

Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context. The context object will be passed to getValues() where this info can be retrieved.

Overrides:

createWeight in class ValueSource

Throws:

java.io.IOException

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class ValueSource