Module org.elasticsearch.nativeaccess

Package org.elasticsearch.nativeaccess.jdk

Class PosixCloseableMappedByteBuffer

java.lang.Object

org.elasticsearch.nativeaccess.jdk.JdkCloseableMappedByteBuffer

org.elasticsearch.nativeaccess.jdk.PosixCloseableMappedByteBuffer

All Implemented Interfaces:

AutoCloseable, CloseableByteBuffer, CloseableMappedByteBuffer

public class PosixCloseableMappedByteBuffer
extends JdkCloseableMappedByteBuffer

PosixCloseableMappedByteBuffer relies on preview features of the Java platform:

• PosixCloseableMappedByteBuffer refers to one or more preview APIs: Arena, MemorySegment.

Programs can only use PosixCloseableMappedByteBuffer when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Field Summary

Fields inherited from class org.elasticsearch.nativeaccess.jdk.JdkCloseableMappedByteBuffer

segment

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PosixCloseableMappedByteBuffer(MemorySegmentPREVIEW seg, ArenaPREVIEW arena)

Method Summary

Modifier and Type	Method	Description
static PosixCloseableMappedByteBuffer	ofShared(FileChannel fileChannel, FileChannel.MapMode mode, long position, long size)
void	prefetch(long offset, long length)	Prefetches the given offset and length.

Methods inherited from class org.elasticsearch.nativeaccess.jdk.JdkCloseableMappedByteBuffer

buffer, close, slice

Methods inherited from class java.lang.Object

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

Constructor Details

PosixCloseableMappedByteBuffer

protected PosixCloseableMappedByteBuffer(MemorySegmentPREVIEW seg,
 ArenaPREVIEW arena)

Method Details

ofShared

public static PosixCloseableMappedByteBuffer ofShared(FileChannel fileChannel,
 FileChannel.MapMode mode,
 long position,
 long size)
                                               throws IOException

Throws:

IOException

prefetch

public void prefetch(long offset,
 long length)

Description copied from interface: CloseableMappedByteBuffer

Prefetches the given offset and length.

Specified by:

prefetch in interface CloseableMappedByteBuffer

Overrides:

prefetch in class JdkCloseableMappedByteBuffer