arp.util

类 Unsafe

java.lang.Object

arp.util.Unsafe

public class Unsafe
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	intArray_BUFFER_PAD
static int	longArray_BUFFER_PAD
static int	objArray_BUFFER_PAD
static sun.misc.Unsafe	theUnsafe

构造器概要

构造器

构造器和说明
Unsafe()

方法概要

限定符和类型	方法和说明
static <T> T	allocateInstance(Class<?> cls)
static int	compareBooleanFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareByteFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareCharFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareDoubleFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareFloatFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareIntFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareLongFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static int	compareShortFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyBooleanFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyByteFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyCharFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyDoubleFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyFloatFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyIntFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyLongFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyRefFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static void	copyShortFieldOfObject(Object fromObj, Object toObj, long fieldOffset)
static boolean	getBooleanFieldOfObject(Object obj, long fieldOffset)
static byte	getByteFieldOfObject(Object obj, long fieldOffset)
static char	getCharFieldOfObject(Object obj, long fieldOffset)
static double	getDoubleFieldOfObject(Object obj, long fieldOffset)
static long	getFieldOffset(Field field)
static long	getFieldOffset(String type, String field)
static float	getFloatFieldOfObject(Object obj, long fieldOffset)
static int	getIntFieldOfObject(Object obj, long fieldOffset)
static long	getLongFieldOfObject(Object obj, long fieldOffset)
static Object	getObjectFieldOfObject(Object obj, long fieldOffset)
static short	getShortFieldOfObject(Object obj, long fieldOffset)
static char[]	getValueOfString(String str)
static byte	getVolatile(byte[] array, int idx)
static void	loadFence()
static void	setBooleanFieldOfObject(Object obj, long fieldOffset, boolean value)
static void	setByteFieldOfObject(Object obj, long fieldOffset, byte value)
static void	setCharFieldOfObject(Object obj, long fieldOffset, char value)
static void	setDoubleFieldOfObject(Object obj, long fieldOffset, double value)
static void	setFloatFieldOfObject(Object obj, long fieldOffset, float value)
static void	setIntFieldOfObject(Object obj, long fieldOffset, int value)
static void	setLongFieldOfObject(Object obj, long fieldOffset, long value)
static void	setObjectFieldOfObject(Object obj, long fieldOffset, Object value)
static void	setShortFieldOfObject(Object obj, long fieldOffset, short value)
static void	setVolatile(byte[] array, int idx, byte value)
static void	storeFence()

从类继承的方法 java.lang.Object

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

字段详细资料

theUnsafe

public static sun.misc.Unsafe theUnsafe

objArray_BUFFER_PAD

public static int objArray_BUFFER_PAD

intArray_BUFFER_PAD

public static int intArray_BUFFER_PAD

longArray_BUFFER_PAD

public static int longArray_BUFFER_PAD

构造器详细资料

Unsafe

public Unsafe()

方法详细资料

storeFence

public static void storeFence()

loadFence

public static void loadFence()

getFieldOffset

public static long getFieldOffset(String type,
                                  String field)
                           throws Exception

抛出:

Exception

getFieldOffset

public static long getFieldOffset(Field field)

getObjectFieldOfObject

public static Object getObjectFieldOfObject(Object obj,
                                            long fieldOffset)

setObjectFieldOfObject

public static void setObjectFieldOfObject(Object obj,
                                          long fieldOffset,
                                          Object value)

setBooleanFieldOfObject

public static void setBooleanFieldOfObject(Object obj,
                                           long fieldOffset,
                                           boolean value)

setByteFieldOfObject

public static void setByteFieldOfObject(Object obj,
                                        long fieldOffset,
                                        byte value)

setCharFieldOfObject

public static void setCharFieldOfObject(Object obj,
                                        long fieldOffset,
                                        char value)

setShortFieldOfObject

public static void setShortFieldOfObject(Object obj,
                                         long fieldOffset,
                                         short value)

setIntFieldOfObject

public static void setIntFieldOfObject(Object obj,
                                       long fieldOffset,
                                       int value)

setFloatFieldOfObject

public static void setFloatFieldOfObject(Object obj,
                                         long fieldOffset,
                                         float value)

setLongFieldOfObject

public static void setLongFieldOfObject(Object obj,
                                        long fieldOffset,
                                        long value)

setDoubleFieldOfObject

public static void setDoubleFieldOfObject(Object obj,
                                          long fieldOffset,
                                          double value)

getByteFieldOfObject

public static byte getByteFieldOfObject(Object obj,
                                        long fieldOffset)

getShortFieldOfObject

public static short getShortFieldOfObject(Object obj,
                                          long fieldOffset)

getCharFieldOfObject

public static char getCharFieldOfObject(Object obj,
                                        long fieldOffset)

getIntFieldOfObject

public static int getIntFieldOfObject(Object obj,
                                      long fieldOffset)

getFloatFieldOfObject

public static float getFloatFieldOfObject(Object obj,
                                          long fieldOffset)

getLongFieldOfObject

public static long getLongFieldOfObject(Object obj,
                                        long fieldOffset)

getDoubleFieldOfObject

public static double getDoubleFieldOfObject(Object obj,
                                            long fieldOffset)

getBooleanFieldOfObject

public static boolean getBooleanFieldOfObject(Object obj,
                                              long fieldOffset)

getValueOfString

public static char[] getValueOfString(String str)

allocateInstance

public static <T> T allocateInstance(Class<?> cls)

copyByteFieldOfObject

public static void copyByteFieldOfObject(Object fromObj,
                                         Object toObj,
                                         long fieldOffset)

copyCharFieldOfObject

public static void copyCharFieldOfObject(Object fromObj,
                                         Object toObj,
                                         long fieldOffset)

copyShortFieldOfObject

public static void copyShortFieldOfObject(Object fromObj,
                                          Object toObj,
                                          long fieldOffset)

copyIntFieldOfObject

public static void copyIntFieldOfObject(Object fromObj,
                                        Object toObj,
                                        long fieldOffset)

copyLongFieldOfObject

public static void copyLongFieldOfObject(Object fromObj,
                                         Object toObj,
                                         long fieldOffset)

copyFloatFieldOfObject

public static void copyFloatFieldOfObject(Object fromObj,
                                          Object toObj,
                                          long fieldOffset)

copyDoubleFieldOfObject

public static void copyDoubleFieldOfObject(Object fromObj,
                                           Object toObj,
                                           long fieldOffset)

copyBooleanFieldOfObject

public static void copyBooleanFieldOfObject(Object fromObj,
                                            Object toObj,
                                            long fieldOffset)

copyRefFieldOfObject

public static void copyRefFieldOfObject(Object fromObj,
                                        Object toObj,
                                        long fieldOffset)

compareByteFieldOfObject

public static int compareByteFieldOfObject(Object fromObj,
                                           Object toObj,
                                           long fieldOffset)

compareShortFieldOfObject

public static int compareShortFieldOfObject(Object fromObj,
                                            Object toObj,
                                            long fieldOffset)

compareCharFieldOfObject

public static int compareCharFieldOfObject(Object fromObj,
                                           Object toObj,
                                           long fieldOffset)

compareIntFieldOfObject

public static int compareIntFieldOfObject(Object fromObj,
                                          Object toObj,
                                          long fieldOffset)

compareLongFieldOfObject

public static int compareLongFieldOfObject(Object fromObj,
                                           Object toObj,
                                           long fieldOffset)

compareFloatFieldOfObject

public static int compareFloatFieldOfObject(Object fromObj,
                                            Object toObj,
                                            long fieldOffset)

compareDoubleFieldOfObject

public static int compareDoubleFieldOfObject(Object fromObj,
                                             Object toObj,
                                             long fieldOffset)

compareBooleanFieldOfObject

public static int compareBooleanFieldOfObject(Object fromObj,
                                              Object toObj,
                                              long fieldOffset)

setVolatile

public static void setVolatile(byte[] array,
                               int idx,
                               byte value)

getVolatile

public static byte getVolatile(byte[] array,
                               int idx)