net.openhft.chronicle.core

Interface Memory

All Known Implementing Classes:

UnsafeMemory

public interface Memory

Low level memory access

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)
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 o, long offset)
default long	heapUsed()
void	loadFence()
long	nativeMemoryUsed()
int	pageSize()
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 o, long offset, int value) Deprecated. Redundant to writeInt(Object, long, int).
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)
void	writeByte(long address, byte i8)
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 offset, 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)

Method Detail

heapUsed

default long heapUsed()

storeFence

void storeFence()

loadFence

void loadFence()

setMemory

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

freeMemory

void freeMemory(long address,
                long size)

allocate

long allocate(long capacity)
       throws IllegalArgumentException,
              OutOfMemoryError

Throws:

IllegalArgumentException

OutOfMemoryError

nativeMemoryUsed

long nativeMemoryUsed()

writeByte

void writeByte(long address,
               byte i8)

writeByte

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

readByte

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

writeBytes

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

readBytes

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

readByte

byte readByte(long address)

writeShort

void writeShort(long address,
                short i16)

writeShort

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

readShort

short readShort(long address)

readShort

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

writeInt

void writeInt(long address,
              int i32)

writeInt

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

writeOrderedInt

void writeOrderedInt(long offset,
                     int i32)

writeOrderedInt

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

readInt

int readInt(long address)

readInt

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

writeLong

void writeLong(long address,
               long i64)

writeLong

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

readLong

long readLong(long address)

readLong

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

writeFloat

void writeFloat(long address,
                float f)

writeFloat

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

readFloat

float readFloat(long address)

readFloat

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

writeDouble

void writeDouble(long address,
                 double d)

writeDouble

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

readDouble

double readDouble(long address)

readDouble

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

copyMemory

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

copyMemory

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

copyMemory

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

copyMemory

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

writeOrderedLong

void writeOrderedLong(long address,
                      long i)

writeOrderedLong

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

testAndSetInt

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

Throws:

IllegalStateException

testAndSetInt

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

Throws:

IllegalStateException

compareAndSwapInt

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

compareAndSwapInt

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

compareAndSwapLong

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

compareAndSwapLong

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

pageSize

int pageSize()

readVolatileByte

byte readVolatileByte(long address)

readVolatileByte

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

readVolatileShort

short readVolatileShort(long address)

readVolatileShort

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

readVolatileInt

int readVolatileInt(long address)

readVolatileInt

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

readVolatileFloat

float readVolatileFloat(long address)

readVolatileFloat

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

readVolatileLong

long readVolatileLong(long address)

readVolatileLong

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

readVolatileDouble

double readVolatileDouble(long address)

readVolatileDouble

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

writeVolatileByte

void writeVolatileByte(long address,
                       byte b)

writeVolatileByte

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

writeVolatileShort

void writeVolatileShort(long address,
                        short i16)

writeVolatileShort

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

writeVolatileInt

void writeVolatileInt(long address,
                      int i32)

writeVolatileInt

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

writeVolatileFloat

void writeVolatileFloat(long address,
                        float f)

writeVolatileFloat

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

writeVolatileLong

void writeVolatileLong(long address,
                       long i64)

writeVolatileLong

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

writeVolatileDouble

void writeVolatileDouble(long address,
                         double d)

writeVolatileDouble

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

addInt

int addInt(long address,
           int increment)

addInt

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

addLong

long addLong(long address,
             long increment)

addLong

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

allocateInstance

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

Throws:

InstantiationException

getFieldOffset

long getFieldOffset(Field field)

setInt

@Deprecated
void setInt(@NotNull
                        @NotNull Object o,
                        long offset,
                        int value)

Deprecated. Redundant to writeInt(Object, long, int).

getObject

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