public abstract class DualFloatFunction extends ValueSource
ValueSource
implementation which wraps two ValueSources
and applies an extendible float function to their values.Modifier and Type | Field and Description |
---|---|
protected ValueSource |
a |
protected ValueSource |
b |
Constructor and Description |
---|
DualFloatFunction(ValueSource a,
ValueSource b) |
Modifier and Type | Method and Description |
---|---|
void |
createWeight(Map context,
IndexSearcher searcher)
Implementations should propagate createWeight to sub-ValueSources which can optionally store
weight info in the context.
|
String |
description()
description of field, used in explain()
|
boolean |
equals(Object o) |
protected abstract float |
func(int doc,
FunctionValues aVals,
FunctionValues bVals) |
FunctionValues |
getValues(Map context,
LeafReaderContext readerContext)
Gets the values for this reader and the context that was previously
passed to createWeight().
|
int |
hashCode() |
protected abstract String |
name() |
asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, newContext, toString
protected final ValueSource a
protected final ValueSource b
public DualFloatFunction(ValueSource a, ValueSource b)
a
- the base.b
- the exponent.protected abstract String name()
protected abstract float func(int doc, FunctionValues aVals, FunctionValues bVals) throws IOException
IOException
public String description()
ValueSource
description
in class ValueSource
public FunctionValues getValues(Map context, LeafReaderContext readerContext) throws IOException
ValueSource
getValues
in class ValueSource
IOException
public void createWeight(Map context, IndexSearcher searcher) throws IOException
ValueSource
createWeight
in class ValueSource
IOException
public int hashCode()
hashCode
in class ValueSource
public boolean equals(Object o)
equals
in class ValueSource
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