org.msgpack.core.buffer

Class DirectBufferAccess

java.lang.Object

org.msgpack.core.buffer.DirectBufferAccess

class DirectBufferAccess
extends java.lang.Object

Wraps the difference of access methods to DirectBuffers between Android and others.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	DirectBufferAccess.DirectBufferConstructorType

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static java.lang.reflect.Constructor<?>	byteBufferConstructor
(package private) static DirectBufferAccess.DirectBufferConstructorType	directBufferConstructorType
(package private) static java.lang.Class<?>	directByteBufferClass
(package private) static java.lang.reflect.Method	mClean
(package private) static java.lang.reflect.Method	mCleaner
(package private) static java.lang.reflect.Method	memoryBlockWrapFromJni
(package private) static java.lang.reflect.Method	mInvokeCleaner

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DirectBufferAccess()

Method Summary

Modifier and Type	Method and Description
(package private) static void	clean(java.lang.Object base)
(package private) static long	getAddress(java.nio.Buffer buffer)
private static java.lang.Object	getCleanerMethod(java.nio.ByteBuffer direct) Checks if we have a usable DirectByteBuffer#cleaner.
private static java.lang.Object	getCleanMethod(java.nio.ByteBuffer direct, java.lang.reflect.Method mCleaner) Checks if we have a usable Cleaner.clean().
private static java.lang.Object	getInvokeCleanerMethod(java.nio.ByteBuffer direct) Checks if we have a usable Unsafe#invokeCleaner.
(package private) static boolean	isDirectByteBufferInstance(java.lang.Object s)
(package private) static java.nio.ByteBuffer	newByteBuffer(long address, int index, int length, java.nio.ByteBuffer reference)
private static void	setupCleanerJava6(java.nio.ByteBuffer direct)
private static void	setupCleanerJava9(java.nio.ByteBuffer direct)

Methods inherited from class java.lang.Object

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

Field Detail

mCleaner

static java.lang.reflect.Method mCleaner

mClean

static java.lang.reflect.Method mClean

mInvokeCleaner

static java.lang.reflect.Method mInvokeCleaner

byteBufferConstructor

static java.lang.reflect.Constructor<?> byteBufferConstructor

directByteBufferClass

static java.lang.Class<?> directByteBufferClass

directBufferConstructorType

static DirectBufferAccess.DirectBufferConstructorType directBufferConstructorType

memoryBlockWrapFromJni

static java.lang.reflect.Method memoryBlockWrapFromJni

Constructor Detail

DirectBufferAccess

private DirectBufferAccess()

Method Detail

setupCleanerJava6

private static void setupCleanerJava6(java.nio.ByteBuffer direct)

setupCleanerJava9

private static void setupCleanerJava9(java.nio.ByteBuffer direct)

getCleanerMethod

private static java.lang.Object getCleanerMethod(java.nio.ByteBuffer direct)

Checks if we have a usable DirectByteBuffer#cleaner.

Parameters:

direct - a direct buffer

Returns:

the method or an error

getCleanMethod

private static java.lang.Object getCleanMethod(java.nio.ByteBuffer direct,
                                               java.lang.reflect.Method mCleaner)

Checks if we have a usable Cleaner.clean().

Parameters:

direct - a direct buffer

mCleaner - the DirectByteBuffer#cleaner method

Returns:

the method or null

getInvokeCleanerMethod

private static java.lang.Object getInvokeCleanerMethod(java.nio.ByteBuffer direct)

Checks if we have a usable Unsafe#invokeCleaner.

Parameters:

direct - a direct buffer

Returns:

the method or an error

getAddress

static long getAddress(java.nio.Buffer buffer)

clean

static void clean(java.lang.Object base)

isDirectByteBufferInstance

static boolean isDirectByteBufferInstance(java.lang.Object s)

newByteBuffer

static java.nio.ByteBuffer newByteBuffer(long address,
                                         int index,
                                         int length,
                                         java.nio.ByteBuffer reference)