org.apache.lucene.util
Class BytesRefHash.TrackingDirectBytesStartArray

java.lang.Object
  org.apache.lucene.util.BytesRefHash.BytesStartArray
      org.apache.lucene.util.BytesRefHash.TrackingDirectBytesStartArray

Enclosing class:

BytesRefHash

public static class BytesRefHash.TrackingDirectBytesStartArray
extends BytesRefHash.BytesStartArray

A simple BytesRefHash.BytesStartArray that tracks all memory allocation using a shared Counter instance.

Field Summary

protected Counter	bytesUsed
protected int	initSize

Constructor Summary

BytesRefHash.TrackingDirectBytesStartArray(int initSize, Counter bytesUsed)

Method Summary

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

bytesUsed

protected final Counter bytesUsed

Constructor Detail

BytesRefHash.TrackingDirectBytesStartArray

public BytesRefHash.TrackingDirectBytesStartArray(int initSize,
                                                  Counter bytesUsed)

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.