Package org.apache.hadoop.io.nativeio

Class NativeIO.POSIX.Pmem

java.lang.Object

org.apache.hadoop.io.nativeio.NativeIO.POSIX.Pmem

Enclosing class:

NativeIO.POSIX

public static class NativeIO.POSIX.Pmem
extends java.lang.Object

JNI wrapper of persist memory operations.

Constructor Summary

Constructors

Constructor	Description
Pmem()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	getPmdkLibPath()
static boolean	isPmem(long address, long length)
static NativeIO.POSIX.PmemMappedRegion	mapBlock(java.lang.String path, long length, boolean isFileExist)
static void	memCopy(byte[] src, long dest, boolean isPmem, long length)
static void	memSync(NativeIO.POSIX.PmemMappedRegion region)
static boolean	unmapBlock(long address, long length)

Methods inherited from class java.lang.Object

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

Constructor Detail

Pmem

public Pmem()

Method Detail

isPmem

public static boolean isPmem(long address,
                             long length)

mapBlock

public static NativeIO.POSIX.PmemMappedRegion mapBlock(java.lang.String path,
                                                       long length,
                                                       boolean isFileExist)

unmapBlock

public static boolean unmapBlock(long address,
                                 long length)

memCopy

public static void memCopy(byte[] src,
                           long dest,
                           boolean isPmem,
                           long length)

memSync

public static void memSync(NativeIO.POSIX.PmemMappedRegion region)

getPmdkLibPath

public static java.lang.String getPmdkLibPath()