io.ray.streaming.runtime.util

类 Platform

java.lang.Object

io.ray.streaming.runtime.util.Platform

public final class Platform
extends Object

Based on org.apache.spark.unsafe.Platform

字段概要

字段

限定符和类型	字段和说明
static sun.misc.Unsafe	UNSAFE

构造器概要

构造器

构造器和说明
Platform()

方法概要

限定符和类型	方法和说明
static long	getAddress(ByteBuffer buffer)
static void	wrapDirectBuffer(ByteBuffer buffer, long address, int size) Wrap a buffer [address, address + size) into provided buffer.
static ByteBuffer	wrapDirectBuffer(long address, int size) Wrap a buffer [address, address + size) as a DirectByteBuffer.

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

UNSAFE

public static final sun.misc.Unsafe UNSAFE

构造器详细资料

Platform

public Platform()

方法详细资料

wrapDirectBuffer

public static ByteBuffer wrapDirectBuffer(long address,
                                          int size)

Wrap a buffer [address, address + size) as a DirectByteBuffer.

wrapDirectBuffer

public static void wrapDirectBuffer(ByteBuffer buffer,
                                    long address,
                                    int size)

Wrap a buffer [address, address + size) into provided buffer.

getAddress

public static long getAddress(ByteBuffer buffer)

参数:

buffer - a DirectBuffer backed by off-heap memory

返回:

address of off-heap memory