org.apache.lucene.util.packed

## Class PackedInts.Writer

- java.lang.Object
- - org.apache.lucene.util.packed.PackedInts.Writer

- Enclosing class:
    PackedInts

      public abstract static class PackedInts.Writer
      extends Object

  A write-once Writer.
  NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected int` | `bitsPerValue`
    `protected DataOutput` | `out`
    `protected int` | `valueCount`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `PackedInts.Writer(DataOutput out, int valueCount, int bitsPerValue)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract void` | `add(long v)` Add a value to the stream.
    `int` | `bitsPerValue()` The number of bits per value.
    `abstract void` | `finish()` Perform end-of-stream operations.
    `protected abstract PackedInts.Format` | `getFormat()` The format used to serialize values.
    `abstract int` | `ord()` Returns the current ord in the stream (number of values that have been written so far minus one).

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

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

- - ### Field Detail

    - #### out

          protected final DataOutput out

    - #### valueCount

          protected final int valueCount

    - #### bitsPerValue

          protected final int bitsPerValue

  - ### Constructor Detail

    - #### PackedInts.Writer

          protected PackedInts.Writer(DataOutput out,
                           int valueCount,
                           int bitsPerValue)

  - ### Method Detail

    - #### getFormat

          protected abstract PackedInts.Format getFormat()

      The format used to serialize values.

    - #### add

          public abstract void add(long v)
                            throws IOException

      Add a value to the stream.
      Throws:
        `IOException`

    - #### bitsPerValue

          public final int bitsPerValue()

      The number of bits per value.

    - #### finish

          public abstract void finish()
                               throws IOException

      Perform end-of-stream operations.
      Throws:
        `IOException`

    - #### ord

          public abstract int ord()

      Returns the current ord in the stream (number of values that have been written so far minus one).

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