UnsafeMemory

java.lang.Object

org.iq80.snappy.UnsafeMemory

All Implemented Interfaces:: Memory

class UnsafeMemory extends Object implements Memory

Field Summary

Fields

Modifier and Type

Field

Description

private static final long

BYTE_ARRAY_OFFSET

private static final long

SHORT_ARRAY_OFFSET

private static final long

SHORT_ARRAY_STRIDE

private static final sun.misc.Unsafe

unsafe
Constructor Summary

Constructors

Constructor

Description

UnsafeMemory()
Method Summary

Modifier and Type

Method

Description

void

copyLong(byte[] src, int srcIndex, byte[] dest, int destIndex)

void

copyMemory(byte[] input, int inputIndex, byte[] output, int outputIndex, int length)

boolean

fastAccessSupported()

int

loadByte(byte[] data, int index)

int

loadInt(byte[] data, int index)

long

loadLong(byte[] data, int index)

int

lookupShort(short[] data, int index)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- unsafe
  
  private static final sun.misc.Unsafe unsafe
- BYTE_ARRAY_OFFSET
  
  private static final long BYTE_ARRAY_OFFSET
- SHORT_ARRAY_OFFSET
  
  private static final long SHORT_ARRAY_OFFSET
- SHORT_ARRAY_STRIDE
  
  private static final long SHORT_ARRAY_STRIDE
Constructor Details
- UnsafeMemory
  
  UnsafeMemory()
Method Details
- fastAccessSupported
  
  public boolean fastAccessSupported()
  
  Specified by:
  
  fastAccessSupported in interface Memory
- lookupShort
  
  public int lookupShort(short[] data, int index)
  
  Specified by:
  
  lookupShort in interface Memory
- loadByte
  
  public int loadByte(byte[] data, int index)
  
  Specified by:
  
  loadByte in interface Memory
- loadInt
  
  public int loadInt(byte[] data, int index)
  
  Specified by:
  
  loadInt in interface Memory
- copyLong
  
  public void copyLong(byte[] src, int srcIndex, byte[] dest, int destIndex)
  
  Specified by:
  
  copyLong in interface Memory
- loadLong
  
  public long loadLong(byte[] data, int index)
  
  Specified by:
  
  loadLong in interface Memory
- copyMemory
  
  public void copyMemory(byte[] input, int inputIndex, byte[] output, int outputIndex, int length)
  
  Specified by:
  
  copyMemory in interface Memory