org.apache.lucene.util

## Class BytesRefHash.DirectBytesStartArray

- java.lang.Object
- - org.apache.lucene.util.BytesRefHash.BytesStartArray
  - - org.apache.lucene.util.BytesRefHash.DirectBytesStartArray

Enclosing class:
  BytesRefHash

    public static class BytesRefHash.DirectBytesStartArray
    extends BytesRefHash.BytesStartArray

A simple `BytesRefHash.BytesStartArray` that tracks memory allocation using a private `AtomicLong` instance.

### Field Summary

Fields
`protected int` `initSize`

### Constructor Summary

Constructors
Constructor and Description
`BytesRefHash.DirectBytesStartArray(int initSize)`
`BytesRefHash.DirectBytesStartArray(int initSize, Counter counter)`

### Method Summary

Methods
`Counter` `bytesUsed()` A `Counter` reference holding the number of bytes used by this `BytesRefHash.BytesStartArray`.
`int[]` `clear()` clears the `BytesRefHash.BytesStartArray` and returns the cleared instance.
`int[]` `grow()` Grows the `BytesRefHash.BytesStartArray`
`int[]` `init()` Initializes the BytesStartArray.

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

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

### Field Detail

#### initSize

    protected final int initSize

### Constructor Detail

#### BytesRefHash.DirectBytesStartArray

    public BytesRefHash.DirectBytesStartArray(int initSize,
                                      Counter counter)

#### BytesRefHash.DirectBytesStartArray

    public BytesRefHash.DirectBytesStartArray(int initSize)

### Method Detail

#### clear

    public int[] clear()

Description copied from class: `BytesRefHash.BytesStartArray`
clears the `BytesRefHash.BytesStartArray` and returns the cleared instance.

Specified by:
  `clear` in class `BytesRefHash.BytesStartArray`
Returns:
  the cleared instance, this might be `null`

#### grow

    public int[] grow()

Description copied from class: `BytesRefHash.BytesStartArray`
Grows the `BytesRefHash.BytesStartArray`

Specified by:
  `grow` in class `BytesRefHash.BytesStartArray`
Returns:
  the grown array

#### init

    public int[] init()

Description copied from class: `BytesRefHash.BytesStartArray`
Initializes the BytesStartArray. This call will allocate memory

Specified by:
  `init` in class `BytesRefHash.BytesStartArray`
Returns:
  the initialized bytes start array

#### bytesUsed

    public Counter bytesUsed()

Description copied from class: `BytesRefHash.BytesStartArray`
A `Counter` reference holding the number of bytes used by this `BytesRefHash.BytesStartArray`. The `BytesRefHash` uses this reference to track it memory usage

Specified by:
  `bytesUsed` in class `BytesRefHash.BytesStartArray`
Returns:
  a `AtomicLong` reference holding the number of bytes used by this `BytesRefHash.BytesStartArray`.