com.alipay.sofa.jraft.util.internal

类 UnsafeUtil.UnsafeAccessor

java.lang.Object

com.alipay.sofa.jraft.util.internal.UnsafeUtil.UnsafeAccessor

封闭类:

UnsafeUtil

public static class UnsafeUtil.UnsafeAccessor
extends Object

方法概要

限定符和类型	方法和说明
Object	allocateInstance(Class<?> clazz)
int	arrayBaseOffset(Class<?> clazz) Reports the offset of the first element in the storage allocation of a given array class.
int	arrayIndexScale(Class<?> clazz) Reports the scale factor for addressing elements in the storage allocation of a given array class.
void	copyMemory(long srcAddress, long dstAddress, long bytes)
void	copyMemory(Object srcBase, long srcOffset, Object dstBase, long dstOffset, long bytes)
boolean	getBoolean(Object target, long offset)
boolean	getBooleanVolatile(Object target, long offset)
byte	getByte(long address)
byte	getByte(Object target, long offset)
byte	getByteVolatile(Object target, long offset)
double	getDouble(Object target, long offset)
double	getDoubleVolatile(Object target, long offset)
float	getFloat(Object target, long offset)
float	getFloatVolatile(Object target, long offset)
int	getInt(long address)
int	getInt(Object target, long offset)
int	getIntVolatile(Object target, long offset)
long	getLong(long address)
long	getLong(Object target, long offset)
long	getLongVolatile(Object target, long offset)
Object	getObject(Object target, long offset)
Object	getObjectVolatile(Object target, long offset)
short	getShort(long address)
short	getShort(Object target, long offset)
short	getShortVolatile(Object target, long offset)
sun.misc.Unsafe	getUnsafe() Returns the Unsafe's instance.
long	objectFieldOffset(Field field) Returns the offset of the provided field, or -1 if sun.misc.Unsafe is not available.
void	putBoolean(Object target, long offset, boolean value)
void	putBooleanVolatile(Object target, long offset, boolean value)
void	putByte(long address, byte value)
void	putByte(Object target, long offset, byte value)
void	putByteVolatile(Object target, long offset, byte value)
void	putDouble(Object target, long offset, double value)
void	putDoubleVolatile(Object target, long offset, double value)
void	putFloat(Object target, long offset, float value)
void	putFloatVolatile(Object target, long offset, float value)
void	putInt(long address, int value)
void	putInt(Object target, long offset, int value)
void	putIntVolatile(Object target, long offset, int value)
void	putLong(long address, long value)
void	putLong(Object target, long offset, long value)
void	putLongVolatile(Object target, long offset, long value)
void	putObject(Object target, long offset, Object value)
void	putObjectVolatile(Object target, long offset, Object value)
void	putShort(long address, short value)
void	putShort(Object target, long offset, short value)
void	putShortVolatile(Object target, long offset, short value)
void	throwException(Throwable t)

从类继承的方法 java.lang.Object

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

方法详细资料

getUnsafe

public sun.misc.Unsafe getUnsafe()

Returns the Unsafe's instance.

getByte

public byte getByte(Object target,
                    long offset)

putByte

public void putByte(Object target,
                    long offset,
                    byte value)

getShort

public short getShort(Object target,
                      long offset)

putShort

public void putShort(Object target,
                     long offset,
                     short value)

getInt

public int getInt(Object target,
                  long offset)

putInt

public void putInt(Object target,
                   long offset,
                   int value)

getLong

public long getLong(Object target,
                    long offset)

putLong

public void putLong(Object target,
                    long offset,
                    long value)

getBoolean

public boolean getBoolean(Object target,
                          long offset)

putBoolean

public void putBoolean(Object target,
                       long offset,
                       boolean value)

getFloat

public float getFloat(Object target,
                      long offset)

putFloat

public void putFloat(Object target,
                     long offset,
                     float value)

getDouble

public double getDouble(Object target,
                        long offset)

putDouble

public void putDouble(Object target,
                      long offset,
                      double value)

getObject

public Object getObject(Object target,
                        long offset)

putObject

public void putObject(Object target,
                      long offset,
                      Object value)

getByte

public byte getByte(long address)

putByte

public void putByte(long address,
                    byte value)

getShort

public short getShort(long address)

putShort

public void putShort(long address,
                     short value)

getInt

public int getInt(long address)

putInt

public void putInt(long address,
                   int value)

getLong

public long getLong(long address)

putLong

public void putLong(long address,
                    long value)

copyMemory

public void copyMemory(Object srcBase,
                       long srcOffset,
                       Object dstBase,
                       long dstOffset,
                       long bytes)

copyMemory

public void copyMemory(long srcAddress,
                       long dstAddress,
                       long bytes)

getByteVolatile

public byte getByteVolatile(Object target,
                            long offset)

putByteVolatile

public void putByteVolatile(Object target,
                            long offset,
                            byte value)

getShortVolatile

public short getShortVolatile(Object target,
                              long offset)

putShortVolatile

public void putShortVolatile(Object target,
                             long offset,
                             short value)

getIntVolatile

public int getIntVolatile(Object target,
                          long offset)

putIntVolatile

public void putIntVolatile(Object target,
                           long offset,
                           int value)

getLongVolatile

public long getLongVolatile(Object target,
                            long offset)

putLongVolatile

public void putLongVolatile(Object target,
                            long offset,
                            long value)

getBooleanVolatile

public boolean getBooleanVolatile(Object target,
                                  long offset)

putBooleanVolatile

public void putBooleanVolatile(Object target,
                               long offset,
                               boolean value)

getFloatVolatile

public float getFloatVolatile(Object target,
                              long offset)

putFloatVolatile

public void putFloatVolatile(Object target,
                             long offset,
                             float value)

getDoubleVolatile

public double getDoubleVolatile(Object target,
                                long offset)

putDoubleVolatile

public void putDoubleVolatile(Object target,
                              long offset,
                              double value)

getObjectVolatile

public Object getObjectVolatile(Object target,
                                long offset)

putObjectVolatile

public void putObjectVolatile(Object target,
                              long offset,
                              Object value)

arrayBaseOffset

public int arrayBaseOffset(Class<?> clazz)

Reports the offset of the first element in the storage allocation of a given array class.

arrayIndexScale

public int arrayIndexScale(Class<?> clazz)

Reports the scale factor for addressing elements in the storage allocation of a given array class.

objectFieldOffset

public long objectFieldOffset(Field field)

Returns the offset of the provided field, or -1 if sun.misc.Unsafe is not available.

allocateInstance

public Object allocateInstance(Class<?> clazz)
                        throws InstantiationException

抛出:

InstantiationException

throwException

public void throwException(Throwable t)