Package org.apache.lucene.queries.function

# Class FunctionRangeQuery

java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.queries.function.FunctionRangeQuery

public class FunctionRangeQuery extends Query
A Query wrapping a `ValueSource` that matches docs in which the values in the value source match a configured range. The score is the float value. This can be a slow query if run by itself since it must visit all docs; ideally it's combined with other queries. It's mostly a wrapper around `FunctionValues.getRangeScorer(LeafReaderContext, String, String, boolean, boolean)`.

A similar class is `org.apache.lucene.search.DocValuesRangeQuery` in the sandbox module. That one is constant scoring.

See Also:
  - `(constant scoring)`
WARNING: This API is experimental and might change in incompatible ways in the next release.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `FunctionRangeQuery(ValueSource valueSource, Number lowerVal, Number upperVal, boolean includeLower, boolean includeUpper)`
  `FunctionRangeQuery(ValueSource valueSource, String lowerVal, String upperVal, boolean includeLower, boolean includeUpper)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Weight`
  `createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
  `boolean`
  `equals(Object other)`
  `String`
  `getLowerVal()`
  `String`
  `getUpperVal()`
  `ValueSource`
  `getValueSource()`
  `int`
  `hashCode()`
  `boolean`
  `isIncludeLower()`
  `boolean`
  `isIncludeUpper()`
  `String`
  `toString(String field)`
  `void`
  `visit(QueryVisitor visitor)`

  ### Methods inherited from class org.apache.lucene.search.Query

  `classHash, rewrite, sameClassAs, toString`

  ### Methods inherited from class java.lang.Object

  `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- ## Constructor Details

  - ### FunctionRangeQuery

    public FunctionRangeQuery(ValueSource valueSource, Number lowerVal, Number upperVal, boolean includeLower, boolean includeUpper)

  - ### FunctionRangeQuery

    public FunctionRangeQuery(ValueSource valueSource, String lowerVal, String upperVal, boolean includeLower, boolean includeUpper)

- ## Method Details

  - ### getValueSource

    public ValueSource getValueSource()

  - ### getLowerVal

    public String getLowerVal()

  - ### getUpperVal

    public String getUpperVal()

  - ### isIncludeLower

    public boolean isIncludeLower()

  - ### isIncludeUpper

    public boolean isIncludeUpper()

  - ### toString

    public String toString(String field)
    Specified by:
      `toString` in class `Query`

  - ### equals

    public boolean equals(Object other)
    Specified by:
      `equals` in class `Query`

  - ### hashCode

    public int hashCode()
    Specified by:
      `hashCode` in class `Query`

  - ### visit

    public void visit(QueryVisitor visitor)
    Specified by:
      `visit` in class `Query`

  - ### createWeight

    public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException
    Overrides:
      `createWeight` in class `Query`
    Throws:
      `IOException`