public abstract class SimpleBoolFunction extends BoolFunction
BoolFunction
implementation which applies an extendible boolean
function to the values of a single wrapped ValueSource
.
Functions this can be used for include whether a field has a value or not,
or inverting the boolean value of the wrapped ValueSource.Constructor and Description |
---|
SimpleBoolFunction(ValueSource source) |
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) |
BoolDocValues |
getValues(Map context,
AtomicReaderContext readerContext)
Gets the values for this reader and the context that was previously
passed to createWeight()
|
int |
hashCode() |
getSortField, newContext, toString
public SimpleBoolFunction(ValueSource source)
public BoolDocValues getValues(Map context, AtomicReaderContext readerContext) throws IOException
ValueSource
getValues
in class ValueSource
IOException
public String description()
ValueSource
description
in class ValueSource
public int hashCode()
hashCode
in class ValueSource
public boolean equals(Object o)
equals
in class ValueSource
public void createWeight(Map context, IndexSearcher searcher) throws IOException
ValueSource
createWeight
in class ValueSource
IOException
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