xerial.larray.buffer

Class UnsafeUtil

java.lang.Object

xerial.larray.buffer.UnsafeUtil

public class UnsafeUtil
extends java.lang.Object

Helper methods for using sun.misc.Unsafe.

Field Summary

Fields

Modifier and Type	Field and Description
static sun.misc.Unsafe	unsafe

Constructor Summary

Constructors

Constructor and Description
UnsafeUtil()

Method Summary

Modifier and Type	Method and Description
static sun.misc.Unsafe	getUnsafe()
static java.nio.ByteBuffer	newDirectByteBuffer(long addr, int size, java.lang.Object att) Create a new DirectByteBuffer from a given address and size.

Methods inherited from class java.lang.Object

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

Field Detail

unsafe

public static sun.misc.Unsafe unsafe

Constructor Detail

UnsafeUtil

public UnsafeUtil()

Method Detail

getUnsafe

public static sun.misc.Unsafe getUnsafe()

newDirectByteBuffer

public static java.nio.ByteBuffer newDirectByteBuffer(long addr,
                                                      int size,
                                                      java.lang.Object att)

Create a new DirectByteBuffer from a given address and size. The returned DirectByteBuffer does not release the memory by itself.

Parameters:

addr -

size -

att - object holding the underlying memory to attach to the buffer. This will prevent the garbage collection of the memory area that's associated with the new DirectByteBuffer

Returns: