net.openhft.chronicle.core

Class UnsafeMemory

java.lang.Object

net.openhft.chronicle.core.UnsafeMemory

All Implemented Interfaces:

Memory

public class UnsafeMemory
extends Object
implements Memory

Field Summary

Fields

Modifier and Type	Field and Description
static UnsafeMemory	INSTANCE
static boolean	tracing Deprecated.
static @NotNull sun.misc.Unsafe	UNSAFE

Constructor Summary

Constructors

Constructor and Description
UnsafeMemory()

Method Summary

Modifier and Type	Method and Description
int	addInt(long address, int increment)
int	addInt(@NotNull Object object, long offset, int increment)
long	addLong(long address, long increment)
long	addLong(@NotNull Object object, long offset, long increment)
long	allocate(long capacity)
<E> E	allocateInstance(Class<? extends E> clazz)
boolean	compareAndSwapInt(long address, int expected, int value)
boolean	compareAndSwapInt(@NotNull Object object, long offset, int expected, int value)
boolean	compareAndSwapLong(long address, long expected, long value)
boolean	compareAndSwapLong(@NotNull Object object, long offset, long expected, long value)
void	copyMemory(byte[] bytes, int offset, long address, int length)
void	copyMemory(byte[] bytes, int offset, Object obj2, long offset2, int length)
static void	copyMemory(long from, long to, int length)
void	copyMemory(long fromAddress, long address, long length)
void	copyMemory(long fromAddress, Object obj2, long offset2, int length)
void	freeMemory(long address, long size)
long	getFieldOffset(Field field)
<T> T	getObject(@NotNull Object object, long offset)
void	loadFence()
long	nativeMemoryUsed()
int	pageSize()
static void	putInt(byte[] bytes, int offset, int value)
byte	readByte(long address)
byte	readByte(@NotNull Object object, long offset)
void	readBytes(long address, byte[] b, long offset, int length)
double	readDouble(long address)
double	readDouble(@NotNull Object object, long offset)
float	readFloat(long address)
float	readFloat(@NotNull Object object, long offset)
int	readInt(long address)
int	readInt(@NotNull Object object, long offset)
long	readLong(long address)
long	readLong(@NotNull Object object, long offset)
short	readShort(long address)
short	readShort(@NotNull Object object, long offset)
byte	readVolatileByte(long address)
byte	readVolatileByte(@NotNull Object object, long offset)
double	readVolatileDouble(long address)
double	readVolatileDouble(@NotNull Object object, long offset)
float	readVolatileFloat(long address)
float	readVolatileFloat(@NotNull Object object, long offset)
int	readVolatileInt(long address)
int	readVolatileInt(@NotNull Object object, long offset)
long	readVolatileLong(long address)
long	readVolatileLong(@NotNull Object object, long offset)
short	readVolatileShort(long address)
short	readVolatileShort(@NotNull Object object, long offset)
void	setInt(@NotNull Object object, long offset, int value)
void	setMemory(long address, long size, byte b)
void	storeFence()
void	testAndSetInt(long address, long offset, int expected, int value)
void	testAndSetInt(@NotNull Object object, long offset, int expected, int value)
static boolean	unsafeGetBoolean(@NotNull Object obj, long offset)
static byte	unsafeGetByte(long address)
static byte	unsafeGetByte(@NotNull Object obj, long offset)
static char	unsafeGetChar(@NotNull Object obj, long offset)
static double	unsafeGetDouble(@NotNull Object obj, long offset)
static float	unsafeGetFloat(@NotNull Object obj, long offset)
static int	unsafeGetInt(long address)
static int	unsafeGetInt(@NotNull Object obj, long offset)
static long	unsafeGetLong(long address)
static long	unsafeGetLong(@NotNull Object obj, long offset)
static <T> T	unsafeGetObject(@NotNull Object obj, long offset)
static short	unsafeGetShort(@NotNull Object obj, long offset)
static void	unsafeLoadFence()
static long	unsafeObjectFieldOffset(Field field)
static void	unsafePutBoolean(@NotNull Object obj, long offset, boolean value)
static void	unsafePutByte(byte[] bytes, int offset, byte value)
static void	unsafePutByte(long address, byte value)
static void	unsafePutByte(@NotNull Object obj, long offset, byte value)
static void	unsafePutChar(@NotNull Object obj, long offset, char value)
static void	unsafePutDouble(@NotNull Object obj, long offset, double value)
static void	unsafePutFloat(@NotNull Object obj, long offset, float value)
static void	unsafePutInt(byte[] bytes, int offset, int value)
static void	unsafePutInt(long address, int value)
static void	unsafePutInt(@NotNull Object obj, long offset, int value)
static void	unsafePutLong(byte[] bytes, int offset, long value)
static void	unsafePutLong(long address, long value)
static void	unsafePutLong(@NotNull Object obj, long offset, long value)
static void	unsafePutObject(@NotNull Object obj, long offset, Object value)
static void	unsafePutShort(@NotNull Object obj, long offset, short value)
static void	unsafeStoreFence()
void	writeByte(long address, byte b)
void	writeByte(@NotNull Object object, long offset, byte b)
void	writeBytes(long address, byte[] b, int offset, int length)
void	writeDouble(long address, double d)
void	writeDouble(@NotNull Object object, long offset, double d)
void	writeFloat(long address, float f)
void	writeFloat(@NotNull Object object, long offset, float f)
void	writeInt(long address, int i32)
void	writeInt(@NotNull Object object, long offset, int i32)
void	writeLong(long address, long i64)
void	writeLong(@NotNull Object object, long offset, long i64)
void	writeOrderedInt(long address, int i32)
void	writeOrderedInt(@NotNull Object object, long offset, int i32)
void	writeOrderedLong(long address, long i)
void	writeOrderedLong(@NotNull Object object, long offset, long i)
void	writeShort(long address, short i16)
void	writeShort(@NotNull Object object, long offset, short i16)
void	writeVolatileByte(long address, byte b)
void	writeVolatileByte(@NotNull Object object, long offset, byte b)
void	writeVolatileDouble(long address, double d)
void	writeVolatileDouble(@NotNull Object object, long offset, double d)
void	writeVolatileFloat(long address, float f)
void	writeVolatileFloat(@NotNull Object object, long offset, float f)
void	writeVolatileInt(long address, int i32)
void	writeVolatileInt(@NotNull Object object, long offset, int i32)
void	writeVolatileLong(long address, long i64)
void	writeVolatileLong(@NotNull Object object, long offset, long i64)
void	writeVolatileShort(long address, short i16)
void	writeVolatileShort(@NotNull Object object, long offset, short i16)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.chronicle.core.Memory

heapUsed

Field Detail

UNSAFE

@NotNull
public static final @NotNull sun.misc.Unsafe UNSAFE

INSTANCE

public static final UnsafeMemory INSTANCE

tracing

@Deprecated
public static final boolean tracing

Deprecated.

See Also:

Constant Field Values

Constructor Detail

UnsafeMemory

public UnsafeMemory()

Method Detail

putInt

public static void putInt(byte[] bytes,
                          int offset,
                          int value)

unsafeStoreFence

public static void unsafeStoreFence()

unsafeLoadFence

public static void unsafeLoadFence()

unsafeGetLong

public static long unsafeGetLong(long address)

unsafeGetInt

public static int unsafeGetInt(long address)

unsafeGetByte

public static byte unsafeGetByte(long address)

unsafePutLong

public static void unsafePutLong(long address,
                                 long value)

unsafePutInt

public static void unsafePutInt(long address,
                                int value)

unsafePutByte

public static void unsafePutByte(long address,
                                 byte value)

unsafePutLong

public static void unsafePutLong(byte[] bytes,
                                 int offset,
                                 long value)

unsafePutInt

public static void unsafePutInt(byte[] bytes,
                                int offset,
                                int value)

unsafePutByte

public static void unsafePutByte(byte[] bytes,
                                 int offset,
                                 byte value)

copyMemory

public static void copyMemory(long from,
                              long to,
                              int length)
                       throws BufferUnderflowException,
                              BufferOverflowException

Throws:

BufferUnderflowException

BufferOverflowException

unsafePutBoolean

public static void unsafePutBoolean(@NotNull
                                    @NotNull Object obj,
                                    long offset,
                                    boolean value)

unsafeGetBoolean

public static boolean unsafeGetBoolean(@NotNull
                                       @NotNull Object obj,
                                       long offset)

unsafePutByte

public static void unsafePutByte(@NotNull
                                 @NotNull Object obj,
                                 long offset,
                                 byte value)

unsafeGetByte

public static byte unsafeGetByte(@NotNull
                                 @NotNull Object obj,
                                 long offset)

unsafePutChar

public static void unsafePutChar(@NotNull
                                 @NotNull Object obj,
                                 long offset,
                                 char value)

unsafeGetChar

public static char unsafeGetChar(@NotNull
                                 @NotNull Object obj,
                                 long offset)

unsafePutShort

public static void unsafePutShort(@NotNull
                                  @NotNull Object obj,
                                  long offset,
                                  short value)

unsafeGetShort

public static short unsafeGetShort(@NotNull
                                   @NotNull Object obj,
                                   long offset)

unsafePutInt

public static void unsafePutInt(@NotNull
                                @NotNull Object obj,
                                long offset,
                                int value)

unsafeGetInt

public static int unsafeGetInt(@NotNull
                               @NotNull Object obj,
                               long offset)

unsafePutFloat

public static void unsafePutFloat(@NotNull
                                  @NotNull Object obj,
                                  long offset,
                                  float value)

unsafeGetFloat

public static float unsafeGetFloat(@NotNull
                                   @NotNull Object obj,
                                   long offset)

unsafePutLong

public static void unsafePutLong(@NotNull
                                 @NotNull Object obj,
                                 long offset,
                                 long value)

unsafeGetLong

public static long unsafeGetLong(@NotNull
                                 @NotNull Object obj,
                                 long offset)

unsafePutDouble

public static void unsafePutDouble(@NotNull
                                   @NotNull Object obj,
                                   long offset,
                                   double value)

unsafeGetDouble

public static double unsafeGetDouble(@NotNull
                                     @NotNull Object obj,
                                     long offset)

unsafePutObject

public static void unsafePutObject(@NotNull
                                   @NotNull Object obj,
                                   long offset,
                                   Object value)

unsafeGetObject

public static <T> T unsafeGetObject(@NotNull
                                    @NotNull Object obj,
                                    long offset)

unsafeObjectFieldOffset

public static long unsafeObjectFieldOffset(Field field)

allocateInstance

@NotNull
public <E> E allocateInstance(Class<? extends E> clazz)
                                throws InstantiationException

Specified by:

allocateInstance in interface Memory

Throws:

InstantiationException

getFieldOffset

public long getFieldOffset(Field field)

Specified by:

getFieldOffset in interface Memory

setInt

public void setInt(@NotNull
                   @NotNull Object object,
                   long offset,
                   int value)

Specified by:

setInt in interface Memory

getObject

@NotNull
public <T> T getObject(@NotNull
                                @NotNull Object object,
                                long offset)

Specified by:

getObject in interface Memory

storeFence

public void storeFence()

Specified by:

storeFence in interface Memory

loadFence

public void loadFence()

Specified by:

loadFence in interface Memory

setMemory

public void setMemory(long address,
                      long size,
                      byte b)

Specified by:

setMemory in interface Memory

freeMemory

public void freeMemory(long address,
                       long size)

Specified by:

freeMemory in interface Memory

allocate

public long allocate(long capacity)
              throws IllegalArgumentException

Specified by:

allocate in interface Memory

Throws:

IllegalArgumentException

nativeMemoryUsed

public long nativeMemoryUsed()

Specified by:

nativeMemoryUsed in interface Memory

writeByte

public void writeByte(long address,
                      byte b)

Specified by:

writeByte in interface Memory

writeByte

public void writeByte(@NotNull
                      @NotNull Object object,
                      long offset,
                      byte b)

Specified by:

writeByte in interface Memory

readByte

public byte readByte(@NotNull
                     @NotNull Object object,
                     long offset)

Specified by:

readByte in interface Memory

writeBytes

public void writeBytes(long address,
                       byte[] b,
                       int offset,
                       int length)

Specified by:

writeBytes in interface Memory

readBytes

public void readBytes(long address,
                      byte[] b,
                      long offset,
                      int length)

Specified by:

readBytes in interface Memory

readByte

public byte readByte(long address)

Specified by:

readByte in interface Memory

writeShort

public void writeShort(long address,
                       short i16)

Specified by:

writeShort in interface Memory

writeShort

public void writeShort(@NotNull
                       @NotNull Object object,
                       long offset,
                       short i16)

Specified by:

writeShort in interface Memory

readShort

public short readShort(long address)

Specified by:

readShort in interface Memory

readShort

public short readShort(@NotNull
                       @NotNull Object object,
                       long offset)

Specified by:

readShort in interface Memory

writeInt

public void writeInt(long address,
                     int i32)

Specified by:

writeInt in interface Memory

writeInt

public void writeInt(@NotNull
                     @NotNull Object object,
                     long offset,
                     int i32)

Specified by:

writeInt in interface Memory

writeOrderedInt

public void writeOrderedInt(long address,
                            int i32)

Specified by:

writeOrderedInt in interface Memory

writeOrderedInt

public void writeOrderedInt(@NotNull
                            @NotNull Object object,
                            long offset,
                            int i32)

Specified by:

writeOrderedInt in interface Memory

readInt

public int readInt(long address)

Specified by:

readInt in interface Memory

readInt

public int readInt(@NotNull
                   @NotNull Object object,
                   long offset)

Specified by:

readInt in interface Memory

writeLong

public void writeLong(long address,
                      long i64)

Specified by:

writeLong in interface Memory

writeLong

public void writeLong(@NotNull
                      @NotNull Object object,
                      long offset,
                      long i64)

Specified by:

writeLong in interface Memory

readLong

public long readLong(long address)

Specified by:

readLong in interface Memory

readLong

public long readLong(@NotNull
                     @NotNull Object object,
                     long offset)

Specified by:

readLong in interface Memory

writeFloat

public void writeFloat(long address,
                       float f)

Specified by:

writeFloat in interface Memory

writeFloat

public void writeFloat(@NotNull
                       @NotNull Object object,
                       long offset,
                       float f)

Specified by:

writeFloat in interface Memory

readFloat

public float readFloat(long address)

Specified by:

readFloat in interface Memory

readFloat

public float readFloat(@NotNull
                       @NotNull Object object,
                       long offset)

Specified by:

readFloat in interface Memory

writeDouble

public void writeDouble(long address,
                        double d)

Specified by:

writeDouble in interface Memory

writeDouble

public void writeDouble(@NotNull
                        @NotNull Object object,
                        long offset,
                        double d)

Specified by:

writeDouble in interface Memory

readDouble

public double readDouble(long address)

Specified by:

readDouble in interface Memory

readDouble

public double readDouble(@NotNull
                         @NotNull Object object,
                         long offset)

Specified by:

readDouble in interface Memory

copyMemory

public void copyMemory(byte[] bytes,
                       int offset,
                       long address,
                       int length)

Specified by:

copyMemory in interface Memory

copyMemory

public void copyMemory(long fromAddress,
                       long address,
                       long length)

Specified by:

copyMemory in interface Memory

copyMemory

public void copyMemory(byte[] bytes,
                       int offset,
                       Object obj2,
                       long offset2,
                       int length)

Specified by:

copyMemory in interface Memory

copyMemory

public void copyMemory(long fromAddress,
                       Object obj2,
                       long offset2,
                       int length)

Specified by:

copyMemory in interface Memory

writeOrderedLong

public void writeOrderedLong(long address,
                             long i)

Specified by:

writeOrderedLong in interface Memory

writeOrderedLong

public void writeOrderedLong(@NotNull
                             @NotNull Object object,
                             long offset,
                             long i)

Specified by:

writeOrderedLong in interface Memory

testAndSetInt

public void testAndSetInt(long address,
                          long offset,
                          int expected,
                          int value)
                   throws IllegalStateException

Specified by:

testAndSetInt in interface Memory

Throws:

IllegalStateException

testAndSetInt

public void testAndSetInt(@NotNull
                          @NotNull Object object,
                          long offset,
                          int expected,
                          int value)
                   throws IllegalStateException

Specified by:

testAndSetInt in interface Memory

Throws:

IllegalStateException

compareAndSwapInt

public boolean compareAndSwapInt(long address,
                                 int expected,
                                 int value)

Specified by:

compareAndSwapInt in interface Memory

compareAndSwapInt

public boolean compareAndSwapInt(@NotNull
                                 @NotNull Object object,
                                 long offset,
                                 int expected,
                                 int value)

Specified by:

compareAndSwapInt in interface Memory

compareAndSwapLong

public boolean compareAndSwapLong(long address,
                                  long expected,
                                  long value)

Specified by:

compareAndSwapLong in interface Memory

compareAndSwapLong

public boolean compareAndSwapLong(@NotNull
                                  @NotNull Object object,
                                  long offset,
                                  long expected,
                                  long value)

Specified by:

compareAndSwapLong in interface Memory

pageSize

public int pageSize()

Specified by:

pageSize in interface Memory

readVolatileByte

public byte readVolatileByte(long address)

Specified by:

readVolatileByte in interface Memory

readVolatileByte

public byte readVolatileByte(@NotNull
                             @NotNull Object object,
                             long offset)

Specified by:

readVolatileByte in interface Memory

readVolatileShort

public short readVolatileShort(long address)

Specified by:

readVolatileShort in interface Memory

readVolatileShort

public short readVolatileShort(@NotNull
                               @NotNull Object object,
                               long offset)

Specified by:

readVolatileShort in interface Memory

readVolatileInt

public int readVolatileInt(long address)

Specified by:

readVolatileInt in interface Memory

readVolatileInt

public int readVolatileInt(@NotNull
                           @NotNull Object object,
                           long offset)

Specified by:

readVolatileInt in interface Memory

readVolatileFloat

public float readVolatileFloat(long address)

Specified by:

readVolatileFloat in interface Memory

readVolatileFloat

public float readVolatileFloat(@NotNull
                               @NotNull Object object,
                               long offset)

Specified by:

readVolatileFloat in interface Memory

readVolatileLong

public long readVolatileLong(long address)

Specified by:

readVolatileLong in interface Memory

readVolatileLong

public long readVolatileLong(@NotNull
                             @NotNull Object object,
                             long offset)

Specified by:

readVolatileLong in interface Memory

readVolatileDouble

public double readVolatileDouble(long address)

Specified by:

readVolatileDouble in interface Memory

readVolatileDouble

public double readVolatileDouble(@NotNull
                                 @NotNull Object object,
                                 long offset)

Specified by:

readVolatileDouble in interface Memory

writeVolatileByte

public void writeVolatileByte(long address,
                              byte b)

Specified by:

writeVolatileByte in interface Memory

writeVolatileByte

public void writeVolatileByte(@NotNull
                              @NotNull Object object,
                              long offset,
                              byte b)

Specified by:

writeVolatileByte in interface Memory

writeVolatileShort

public void writeVolatileShort(long address,
                               short i16)

Specified by:

writeVolatileShort in interface Memory

writeVolatileShort

public void writeVolatileShort(@NotNull
                               @NotNull Object object,
                               long offset,
                               short i16)

Specified by:

writeVolatileShort in interface Memory

writeVolatileInt

public void writeVolatileInt(long address,
                             int i32)

Specified by:

writeVolatileInt in interface Memory

writeVolatileInt

public void writeVolatileInt(@NotNull
                             @NotNull Object object,
                             long offset,
                             int i32)

Specified by:

writeVolatileInt in interface Memory

writeVolatileFloat

public void writeVolatileFloat(long address,
                               float f)

Specified by:

writeVolatileFloat in interface Memory

writeVolatileFloat

public void writeVolatileFloat(@NotNull
                               @NotNull Object object,
                               long offset,
                               float f)

Specified by:

writeVolatileFloat in interface Memory

writeVolatileLong

public void writeVolatileLong(long address,
                              long i64)

Specified by:

writeVolatileLong in interface Memory

writeVolatileLong

public void writeVolatileLong(@NotNull
                              @NotNull Object object,
                              long offset,
                              long i64)

Specified by:

writeVolatileLong in interface Memory

writeVolatileDouble

public void writeVolatileDouble(long address,
                                double d)

Specified by:

writeVolatileDouble in interface Memory

writeVolatileDouble

public void writeVolatileDouble(@NotNull
                                @NotNull Object object,
                                long offset,
                                double d)

Specified by:

writeVolatileDouble in interface Memory

addInt

public int addInt(long address,
                  int increment)

Specified by:

addInt in interface Memory

addInt

public int addInt(@NotNull
                  @NotNull Object object,
                  long offset,
                  int increment)

Specified by:

addInt in interface Memory

addLong

public long addLong(long address,
                    long increment)

Specified by:

addLong in interface Memory

addLong

public long addLong(@NotNull
                    @NotNull Object object,
                    long offset,
                    long increment)

Specified by:

addLong in interface Memory