org.apache.lucene.queries.function

## Class FunctionQuery.FunctionWeight

- java.lang.Object
- - org.apache.lucene.search.Weight
  - - org.apache.lucene.queries.function.FunctionQuery.FunctionWeight

- All Implemented Interfaces:
    SegmentCacheable
  Enclosing class:
    FunctionQuery

      protected class FunctionQuery.FunctionWeight
      extends Weight

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.lucene.search.Weight

      `Weight.DefaultBulkScorer`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected float` | `boost`
    `protected Map` | `context`
    `protected IndexSearcher` | `searcher`

    - ### Fields inherited from class org.apache.lucene.search.Weight

      `parentQuery`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `FunctionWeight(IndexSearcher searcher, float boost)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Explanation` | `explain(LeafReaderContext context, int doc)`
    `void` | `extractTerms(Set<Term> terms)`
    `boolean` | `isCacheable(LeafReaderContext ctx)`
    `Scorer` | `scorer(LeafReaderContext context)`

    - ### Methods inherited from class org.apache.lucene.search.Weight

      `bulkScorer, getQuery, matches, scorerSupplier`

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

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### searcher

          protected final IndexSearcher searcher

    - #### boost

          protected final float boost

    - #### context

          protected final Map context

  - ### Constructor Detail

    - #### FunctionWeight

          public FunctionWeight(IndexSearcher searcher,
                                float boost)
                         throws IOException

      Throws:
        `IOException`

  - ### Method Detail

    - #### extractTerms

          public void extractTerms(Set<Term> terms)

      Specified by:
        `extractTerms` in class `Weight`

    - #### scorer

          public Scorer scorer(LeafReaderContext context)
                        throws IOException

      Specified by:
        `scorer` in class `Weight`
      Throws:
        `IOException`

    - #### isCacheable

          public boolean isCacheable(LeafReaderContext ctx)

    - #### explain

          public Explanation explain(LeafReaderContext context,
                                     int doc)
                              throws IOException

      Specified by:
        `explain` in class `Weight`
      Throws:
        `IOException`

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