org.apache.lucene.util.mutable

## Class MutableValueLong

- java.lang.Object
- - org.apache.lucene.util.mutable.MutableValue
  - - org.apache.lucene.util.mutable.MutableValueLong

- All Implemented Interfaces:
    Comparable<MutableValue>
  Direct Known Subclasses:
    MutableValueDate

      public class MutableValueLong
      extends MutableValue

  `MutableValue` implementation of type `long`. When mutating instances of this object, the caller is responsible for ensuring that any instance where `exists` is set to `false` must also `value` set to `0L` for proper operation.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `long` | `value`

    - ### Fields inherited from class org.apache.lucene.util.mutable.MutableValue

      `exists`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `MutableValueLong()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `compareSameType(Object other)`
    `void` | `copy(MutableValue source)`
    `MutableValue` | `duplicate()`
    `boolean` | `equalsSameType(Object other)`
    `int` | `hashCode()`
    `Object` | `toObject()`

    - ### Methods inherited from class org.apache.lucene.util.mutable.MutableValue

      `compareTo, equals, exists, toString`

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

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

- - ### Field Detail

    - #### value

          public long value

  - ### Constructor Detail

    - #### MutableValueLong

          public MutableValueLong()

  - ### Method Detail

    - #### toObject

          public Object toObject()

      Specified by:
        `toObject` in class `MutableValue`

    - #### copy

          public void copy(MutableValue source)

      Specified by:
        `copy` in class `MutableValue`

    - #### duplicate

          public MutableValue duplicate()

      Specified by:
        `duplicate` in class `MutableValue`

    - #### equalsSameType

          public boolean equalsSameType(Object other)

      Specified by:
        `equalsSameType` in class `MutableValue`

    - #### compareSameType

          public int compareSameType(Object other)

      Specified by:
        `compareSameType` in class `MutableValue`

    - #### hashCode

          public int hashCode()

      Specified by:
        `hashCode` in class `MutableValue`

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