org.apache.lucene.search

## Class DoubleValues

- java.lang.Object
- - org.apache.lucene.search.DoubleValues

-     public abstract class DoubleValues
      extends Object

  Per-segment, per-document double values, which can be calculated at search-time

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `DoubleValues()`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract boolean` | `advanceExact(int doc)` Advance this instance to the given document id
    `abstract double` | `doubleValue()` Get the double value for the current document

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

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

- - ### Constructor Detail

    - #### DoubleValues

          public DoubleValues()

  - ### Method Detail

    - #### doubleValue

          public abstract double doubleValue()
                                      throws IOException

      Get the double value for the current document
      Throws:
        `IOException`

    - #### advanceExact

          public abstract boolean advanceExact(int doc)
                                        throws IOException

      Advance this instance to the given document id
      Returns:
        true if there is a value for this document
      Throws:
        `IOException`

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