org.apache.hadoop.hbase.util

类 UnsafeAccess

java.lang.Object

org.apache.hadoop.hbase.util.UnsafeAccess

@InterfaceAudience.Private
@InterfaceStability.Evolving
public final class UnsafeAccess
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	BYTE_ARRAY_BASE_OFFSET The offset to the first element in a byte array.
static sun.misc.Unsafe	theUnsafe

方法概要

方法

限定符和类型	方法和说明
static void	copy(byte[] src, int srcOffset, ByteBuffer dest, int destOffset, int length) Copies the bytes from given array's offset to length part into the given buffer.
static void	copy(ByteBuffer src, int srcOffset, byte[] dest, int destOffset, int length) Copies specified number of bytes from given offset of src ByteBuffer to the dest array.
static void	copy(ByteBuffer src, int srcOffset, ByteBuffer dest, int destOffset, int length) Copies specified number of bytes from given offset of src buffer into the dest buffer.

从类继承的方法 java.lang.Object

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

字段详细资料

theUnsafe

public static final sun.misc.Unsafe theUnsafe

BYTE_ARRAY_BASE_OFFSET

public static final int BYTE_ARRAY_BASE_OFFSET

The offset to the first element in a byte array.

方法详细资料

copy

public static void copy(byte[] src,
        int srcOffset,
        ByteBuffer dest,
        int destOffset,
        int length)

Copies the bytes from given array's offset to length part into the given buffer.

参数:

src -

srcOffset -

dest -

destOffset -

length -

copy

public static void copy(ByteBuffer src,
        int srcOffset,
        byte[] dest,
        int destOffset,
        int length)

Copies specified number of bytes from given offset of src ByteBuffer to the dest array.

参数:

src -

srcOffset -

dest -

destOffset -

length -

copy

public static void copy(ByteBuffer src,
        int srcOffset,
        ByteBuffer dest,
        int destOffset,
        int length)

Copies specified number of bytes from given offset of src buffer into the dest buffer.

参数:

src -

srcOffset -

dest -

destOffset -

length -