public abstract class SingleFunction extends ValueSource
Modifier and Type | Field and Description |
---|---|
protected ValueSource |
source |
Constructor and Description |
---|
SingleFunction(ValueSource source) |
Modifier and Type | Method and Description |
---|---|
void |
createWeight(java.util.Map context,
IndexSearcher 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) |
int |
hashCode() |
protected abstract java.lang.String |
name() |
asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, getValues, newContext, toString
protected final ValueSource source
public SingleFunction(ValueSource source)
protected abstract java.lang.String name()
public java.lang.String description()
ValueSource
description
in class ValueSource
public int hashCode()
hashCode
in class ValueSource
public boolean equals(java.lang.Object o)
equals
in class ValueSource
public void createWeight(java.util.Map context, IndexSearcher searcher) throws java.io.IOException
ValueSource
createWeight
in class ValueSource
java.io.IOException