Package herddb.utils

Class OpenFileUtils

java.lang.Object

herddb.utils.OpenFileUtils

public class OpenFileUtils
extends Object

Java 8 compatibile version. In Java 8 you cannot use O_DIRECT

Author:

enrico.olivelli

Constructor Summary

Constructors

Constructor	Description
OpenFileUtils()

Method Summary

Modifier and Type	Method	Description
static ByteBuffer	alignedSlice(ByteBuffer buffer, int alignment)
static long	getBlockSize(Path p)
static boolean	isO_DIRECT_Supported()
static FileChannel	openFileChannelWithO_DIRECT(Path path, OpenOption... options)
static void	releaseAlignedBuffer(ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Constructor Detail

OpenFileUtils

public OpenFileUtils()

Method Detail

openFileChannelWithO_DIRECT

public static FileChannel openFileChannelWithO_DIRECT(Path path,
                                                      OpenOption... options)
                                               throws IOException

Throws:

IOException

getBlockSize

public static long getBlockSize(Path p)
                         throws IOException

Throws:

IOException

isO_DIRECT_Supported

public static boolean isO_DIRECT_Supported()

alignedSlice

public static ByteBuffer alignedSlice(ByteBuffer buffer,
                                      int alignment)

releaseAlignedBuffer

public static void releaseAlignedBuffer(ByteBuffer buffer)