Package | Description |
---|---|
org.apache.lucene.queries.function |
Queries that compute score based upon a function.
|
org.apache.lucene.queries.function.docvalues |
FunctionValues for different data types.
|
org.apache.lucene.queries.function.valuesource |
A variety of functions to use with FunctionQuery.
|
Modifier and Type | Method and Description |
---|---|
static ValueSource |
ValueSource.fromDoubleValuesSource(DoubleValuesSource in) |
ValueSource |
FunctionQuery.getValueSource() |
ValueSource |
FunctionRangeQuery.getValueSource() |
Constructor and Description |
---|
FunctionQuery(ValueSource func) |
FunctionRangeQuery(ValueSource valueSource,
Number lowerVal,
Number upperVal,
boolean includeLower,
boolean includeUpper) |
FunctionRangeQuery(ValueSource valueSource,
String lowerVal,
String upperVal,
boolean includeLower,
boolean includeUpper) |
Modifier and Type | Field and Description |
---|---|
protected ValueSource |
BoolDocValues.vs |
protected ValueSource |
StrDocValues.vs |
protected ValueSource |
IntDocValues.vs |
protected ValueSource |
DoubleDocValues.vs |
protected ValueSource |
FloatDocValues.vs |
protected ValueSource |
DocTermsIndexDocValues.vs |
protected ValueSource |
LongDocValues.vs |
Constructor and Description |
---|
BoolDocValues(ValueSource vs) |
DocTermsIndexDocValues(ValueSource vs,
LeafReaderContext context,
String field) |
DocTermsIndexDocValues(ValueSource vs,
SortedDocValues termsIndex) |
DoubleDocValues(ValueSource vs) |
FloatDocValues(ValueSource vs) |
IntDocValues(ValueSource vs) |
LongDocValues(ValueSource vs) |
StrDocValues(ValueSource vs) |
Modifier and Type | Class and Description |
---|---|
class |
BoolFunction
Abstract parent class for those
ValueSource implementations which
apply boolean logic to their values |
class |
BytesRefFieldSource
An implementation for retrieving
FunctionValues instances for string based fields. |
class |
ComparisonBoolFunction
Base class for comparison operators useful within an "if"/conditional.
|
class |
ConstNumberSource
ConstNumberSource is the base class for all constant numbers |
class |
ConstValueSource
ConstValueSource returns a constant for all documents |
class |
DefFunction
ValueSource implementation which only returns the values from the provided
ValueSources which are available for a particular docId. |
class |
DivFloatFunction
Function to divide "a" by "b"
|
class |
DocFreqValueSource
DocFreqValueSource returns the number of documents containing the term. |
class |
DoubleConstValueSource
Function that returns a constant double value for every document.
|
class |
DoubleFieldSource
Obtains double field values from
LeafReader.getNumericDocValues(java.lang.String) and makes
those values available as other numeric types, casting as needed. |
class |
DualFloatFunction
Abstract
ValueSource implementation which wraps two ValueSources
and applies an extendible float function to their values. |
class |
EnumFieldSource
Obtains int field values from
LeafReader.getNumericDocValues(java.lang.String) and makes
those values available as other numeric types, casting as needed. |
class |
FieldCacheSource
A base class for ValueSource implementations that retrieve values for
a single field from DocValues.
|
class |
FloatFieldSource
Obtains float field values from
LeafReader.getNumericDocValues(java.lang.String) and makes those
values available as other numeric types, casting as needed. |
class |
IDFValueSource
Function that returns
#idf(long, long)
for every document. |
class |
IfFunction
Depending on the boolean value of the
ifSource function,
returns the value of the trueSource or falseSource function. |
class |
IntFieldSource
Obtains int field values from
LeafReader.getNumericDocValues(java.lang.String) and makes those
values available as other numeric types, casting as needed. |
class |
JoinDocFreqValueSource
Use a field value and find the Document Frequency within another field.
|
class |
LinearFloatFunction
LinearFloatFunction implements a linear function over
another ValueSource . |
class |
LiteralValueSource
Pass a the field value through as a String, no matter the type // Q: doesn't this mean it's a "string"?
|
class |
LongFieldSource
Obtains long field values from
LeafReader.getNumericDocValues(java.lang.String) and makes those
values available as other numeric types, casting as needed. |
class |
MaxDocValueSource
Returns the value of
IndexReader.maxDoc()
for every document. |
class |
MaxFloatFunction
MaxFloatFunction returns the max of its components. |
class |
MinFloatFunction
MinFloatFunction returns the min of its components. |
class |
MultiBoolFunction
Abstract
ValueSource implementation which wraps multiple ValueSources
and applies an extendible boolean function to their values. |
class |
MultiFloatFunction
Abstract
ValueSource implementation which wraps multiple ValueSources
and applies an extendible float function to their values. |
class |
MultiFunction
Abstract parent class for
ValueSource implementations that wrap multiple
ValueSources and apply their own logic. |
class |
MultiValuedDoubleFieldSource
Obtains double field values from
LeafReader.getSortedNumericDocValues(java.lang.String) and using a
SortedNumericSelector it gives a single-valued ValueSource view of a field. |
class |
MultiValuedFloatFieldSource
Obtains float field values from
LeafReader.getSortedNumericDocValues(java.lang.String) and using a
SortedNumericSelector it gives a single-valued ValueSource view of a field. |
class |
MultiValuedIntFieldSource
Obtains int field values from
LeafReader.getSortedNumericDocValues(java.lang.String) and using a
SortedNumericSelector it gives a single-valued ValueSource view of a field. |
class |
MultiValuedLongFieldSource
Obtains long field values from
LeafReader.getSortedNumericDocValues(java.lang.String) and using a
SortedNumericSelector it gives a single-valued ValueSource view of a field. |
class |
MultiValueSource
A
ValueSource that abstractly represents ValueSource s for
poly fields, and other things. |
class |
NormValueSource
Function that returns the decoded norm for every document.
|
class |
NumDocsValueSource
Returns the value of
IndexReader.numDocs()
for every document. |
class |
PowFloatFunction
Function to raise the base "a" to the power "b"
|
class |
ProductFloatFunction
ProductFloatFunction returns the product of its components. |
class |
QueryValueSource
QueryValueSource returns the relevance score of the query |
class |
RangeMapFloatFunction
RangeMapFloatFunction implements a map function over
another ValueSource whose values fall within min and max inclusive to target. |
class |
ReciprocalFloatFunction
ReciprocalFloatFunction implements a reciprocal function f(x) = a/(mx+b), based on
the float value of a field or function as exported by ValueSource . |
class |
ScaleFloatFunction
Scales values to be between min and max.
|
class |
SimpleBoolFunction
BoolFunction implementation which applies an extendible boolean
function to the values of a single wrapped ValueSource . |
class |
SimpleFloatFunction
A simple float function with a single argument
|
class |
SingleFunction
A function with a single argument
|
class |
SortedSetFieldSource
Retrieves
FunctionValues instances for multi-valued string based fields. |
class |
SumFloatFunction
SumFloatFunction returns the sum of its components. |
class |
SumTotalTermFreqValueSource
SumTotalTermFreqValueSource returns the number of tokens. |
class |
TermFreqValueSource
Function that returns
PostingsEnum.freq() for the
supplied term in every document. |
class |
TFValueSource
Function that returns
TFIDFSimilarity.tf(float)
for every document. |
class |
TotalTermFreqValueSource
TotalTermFreqValueSource returns the total term freq
(sum of term freqs across all documents). |
class |
VectorValueSource
Converts individual ValueSource instances to leverage the FunctionValues *Val functions that work with multiple values,
i.e.
|
Modifier and Type | Field and Description |
---|---|
protected ValueSource |
DualFloatFunction.a |
protected ValueSource |
DualFloatFunction.b |
protected ValueSource |
RangeMapFloatFunction.defaultVal |
protected ValueSource |
SingleFunction.source |
protected ValueSource |
ScaleFloatFunction.source |
protected ValueSource |
LinearFloatFunction.source |
protected ValueSource |
SimpleBoolFunction.source |
protected ValueSource |
RangeMapFloatFunction.source |
protected ValueSource |
ReciprocalFloatFunction.source |
protected ValueSource[] |
MultiFloatFunction.sources |
protected ValueSource |
RangeMapFloatFunction.target |
Modifier and Type | Field and Description |
---|---|
protected List<ValueSource> |
VectorValueSource.sources |
protected List<ValueSource> |
MultiFunction.sources |
protected List<ValueSource> |
MultiBoolFunction.sources |
Modifier and Type | Method and Description |
---|---|
List<ValueSource> |
VectorValueSource.getSources() |
Modifier and Type | Method and Description |
---|---|
static String |
MultiFunction.description(String name,
List<ValueSource> sources) |
static FunctionValues[] |
MultiFunction.valsArr(List<ValueSource> sources,
Map fcontext,
LeafReaderContext readerContext) |
Constructor and Description |
---|
DefFunction(List<ValueSource> sources) |
MultiBoolFunction(List<ValueSource> sources) |
MultiFunction(List<ValueSource> sources) |
VectorValueSource(List<ValueSource> sources) |
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