org.apache.lucene.queries.function.valuesource
Class VectorValueSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.MultiValueSource
org.apache.lucene.queries.function.valuesource.VectorValueSource
public class VectorValueSource
- extends MultiValueSource
Converts individual ValueSource instances to leverage the FunctionValues *Val functions that work with multiple values,
i.e. FunctionValues.doubleVal(int, double[])
sources
protected final List<ValueSource> sources
VectorValueSource
public VectorValueSource(List<ValueSource> sources)
getSources
public List<ValueSource> getSources()
dimension
public int dimension()
- Specified by:
dimension
in class MultiValueSource
name
public String name()
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
createWeight
public void createWeight(Map context,
IndexSearcher searcher)
throws 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:
IOException
description
public String description()
- Description copied from class:
ValueSource
- description of field, used in explain()
- Specified by:
description
in class ValueSource
equals
public boolean equals(Object o)
- Specified by:
equals
in class ValueSource
hashCode
public int hashCode()
- Specified by:
hashCode
in class ValueSource
Copyright © 2000-2013 Apache Software Foundation. All Rights Reserved.