org.nustaq.offheap.bytez.malloc

Class MallocBytez

java.lang.Object

org.nustaq.offheap.bytez.malloc.MallocBytez

All Implemented Interfaces:

BasicBytez, ByteSink, ByteSource, Bytez

Direct Known Subclasses:

MMFBytez

public class MallocBytez
extends Object
implements Bytez

Date: 17.11.13 Time: 00:01 implementation of Bytez interface using unsafe on raw allocated memory

Field Summary

Fields

Modifier and Type	Field and Description
protected long	baseAdress
protected long	length

Constructor Summary

Constructors

Constructor and Description
MallocBytez(long adr, long len)

Method Summary

Modifier and Type	Method and Description
byte[]	asByteArray()
void	clear()
boolean	compareAndSwapInt(long offset, int expect, int newVal)
boolean	compareAndSwapLong(long offset, long expect, long newVal)
void	copyTo(BasicBytez other, long otherByteIndex, long myByteIndex, long lenBytes)
boolean	equals(Object obj)
byte	get(long byteIndex)
void	getArr(long byteIndex, byte[] target, int elemoff, int numElems) copy to a byte array
int	getBALength()
int	getBAOffsetIndex()
long	getBaseAdress()
boolean	getBool(long byteIndex)
void	getBooleanArr(long byteIndex, boolean[] target, int elemoff, int numElems) see getArr
boolean	getBoolVolatile(long byteIndex)
char	getChar(long byteIndex)
void	getCharArr(long byteIndex, char[] target, int elemoff, int numElems) see getArr
char	getCharVolatile(long byteIndex)
double	getDouble(long byteIndex)
void	getDoubleArr(long byteIndex, double[] target, int elemoff, int numElems) see getArr
double	getDoubleVolatile(long byteIndex)
float	getFloat(long byteIndex)
void	getFloatArr(long byteIndex, float[] target, int elemoff, int numElems) see getArr
float	getFloatVolatile(long byteIndex)
int	getInt(long byteIndex)
void	getIntArr(long byteIndex, int[] target, int elemoff, int numElems) see getArr
int	getIntVolatile(long byteIndex)
long	getLength()
long	getLong(long byteIndex)
void	getLongArr(long byteIndex, long[] target, int elemoff, int numElems) see getArr
long	getLongVolatile(long byteIndex)
short	getShort(long byteIndex)
void	getShortArr(long byteIndex, short[] target, int elemoff, int numElems) see getArr
short	getShortVolatile(long byteIndex)
byte	getVolatile(long byteIndex)
int	hashCode()
long	length()
BasicBytez	newInstance(long size)
void	put(long byteIndex, byte value)
void	putBool(long byteIndex, boolean val)
void	putBoolVolatile(long byteIndex, boolean value)
void	putChar(long byteIndex, char c)
void	putCharVolatile(long byteIndex, char c)
void	putDouble(long byteIndex, double d)
void	putDoubleVolatile(long byteIndex, double d)
void	putFloat(long byteIndex, float f)
void	putFloatVolatile(long byteIndex, float f)
void	putInt(long byteIndex, int i)
void	putIntVolatile(long byteIndex, int i)
void	putLong(long byteIndex, long l)
void	putLongVolatile(long byteIndex, long l)
void	putShort(long byteIndex, short s)
void	putShortVolatile(long byteIndex, short s)
void	putVolatile(long byteIndex, byte value)
void	set(long byteIndex, byte[] source, int elemoff, int numElems)
void	setBase(long adr, long len)
void	setBoolean(long byteIndex, boolean[] o, int elemoff, int numElems)
void	setChar(long byteIndex, char[] source, int elemoff, int numElems)
void	setDouble(long byteIndex, double[] source, int elemoff, int numElems)
void	setFloat(long byteIndex, float[] source, int elemoff, int numElems)
void	setInt(long byteIndex, int[] source, int elemoff, int numElems)
void	setLong(long byteIndex, long[] source, int elemoff, int numElems)
void	setShort(long byteIndex, short[] source, int elemoff, int numElems)
MallocBytez	slice(long off, int len)
byte[]	toBytes(long startIndex, int len)

Methods inherited from class java.lang.Object

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

Field Detail

baseAdress

protected long baseAdress

length

protected long length

Constructor Detail

MallocBytez

public MallocBytez(long adr,
                   long len)

Method Detail

setBase

public void setBase(long adr,
                    long len)

slice

public MallocBytez slice(long off,
                         int len)

Specified by:

slice in interface Bytez

get

public byte get(long byteIndex)

Specified by:

get in interface BasicBytez

Specified by:

get in interface ByteSource

getBool

public boolean getBool(long byteIndex)

Specified by:

getBool in interface BasicBytez

getChar

public char getChar(long byteIndex)

Specified by:

getChar in interface BasicBytez

getShort

public short getShort(long byteIndex)

Specified by:

getShort in interface BasicBytez

getInt

public int getInt(long byteIndex)

Specified by:

getInt in interface BasicBytez

getLong

public long getLong(long byteIndex)

Specified by:

getLong in interface BasicBytez

getFloat

public float getFloat(long byteIndex)

Specified by:

getFloat in interface BasicBytez

getDouble

public double getDouble(long byteIndex)

Specified by:

getDouble in interface BasicBytez

put

public void put(long byteIndex,
                byte value)

Specified by:

put in interface BasicBytez

Specified by:

put in interface ByteSink

putBool

public void putBool(long byteIndex,
                    boolean val)

Specified by:

putBool in interface BasicBytez

putChar

public void putChar(long byteIndex,
                    char c)

Specified by:

putChar in interface BasicBytez

putShort

public void putShort(long byteIndex,
                     short s)

Specified by:

putShort in interface BasicBytez

putInt

public void putInt(long byteIndex,
                   int i)

Specified by:

putInt in interface BasicBytez

putLong

public void putLong(long byteIndex,
                    long l)

Specified by:

putLong in interface BasicBytez

putFloat

public void putFloat(long byteIndex,
                     float f)

Specified by:

putFloat in interface BasicBytez

putDouble

public void putDouble(long byteIndex,
                      double d)

Specified by:

putDouble in interface BasicBytez

length

public long length()

Specified by:

length in interface BasicBytez

Specified by:

length in interface ByteSink

Specified by:

length in interface ByteSource

getArr

public void getArr(long byteIndex,
                   byte[] target,
                   int elemoff,
                   int numElems)

Description copied from interface: BasicBytez

copy to a byte array

Specified by:

getArr in interface BasicBytez

Parameters:

byteIndex - - offset index in this buffer to start copying

target - - array to copy to

elemoff - - offset in target array

numElems - - length to copy to

getCharArr

public void getCharArr(long byteIndex,
                       char[] target,
                       int elemoff,
                       int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getCharArr in interface BasicBytez

getShortArr

public void getShortArr(long byteIndex,
                        short[] target,
                        int elemoff,
                        int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getShortArr in interface BasicBytez

getIntArr

public void getIntArr(long byteIndex,
                      int[] target,
                      int elemoff,
                      int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getIntArr in interface BasicBytez

getLongArr

public void getLongArr(long byteIndex,
                       long[] target,
                       int elemoff,
                       int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getLongArr in interface BasicBytez

getFloatArr

public void getFloatArr(long byteIndex,
                        float[] target,
                        int elemoff,
                        int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getFloatArr in interface BasicBytez

getDoubleArr

public void getDoubleArr(long byteIndex,
                         double[] target,
                         int elemoff,
                         int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getDoubleArr in interface BasicBytez

getBooleanArr

public void getBooleanArr(long byteIndex,
                          boolean[] target,
                          int elemoff,
                          int numElems)

Description copied from interface: BasicBytez

see getArr

Specified by:

getBooleanArr in interface BasicBytez

set

public void set(long byteIndex,
                byte[] source,
                int elemoff,
                int numElems)

Specified by:

set in interface BasicBytez

setChar

public void setChar(long byteIndex,
                    char[] source,
                    int elemoff,
                    int numElems)

Specified by:

setChar in interface BasicBytez

setShort

public void setShort(long byteIndex,
                     short[] source,
                     int elemoff,
                     int numElems)

Specified by:

setShort in interface BasicBytez

setInt

public void setInt(long byteIndex,
                   int[] source,
                   int elemoff,
                   int numElems)

Specified by:

setInt in interface BasicBytez

setLong

public void setLong(long byteIndex,
                    long[] source,
                    int elemoff,
                    int numElems)

Specified by:

setLong in interface BasicBytez

setFloat

public void setFloat(long byteIndex,
                     float[] source,
                     int elemoff,
                     int numElems)

Specified by:

setFloat in interface BasicBytez

setDouble

public void setDouble(long byteIndex,
                      double[] source,
                      int elemoff,
                      int numElems)

Specified by:

setDouble in interface BasicBytez

setBoolean

public void setBoolean(long byteIndex,
                       boolean[] o,
                       int elemoff,
                       int numElems)

Specified by:

setBoolean in interface BasicBytez

copyTo

public void copyTo(BasicBytez other,
                   long otherByteIndex,
                   long myByteIndex,
                   long lenBytes)

Specified by:

copyTo in interface BasicBytez

Specified by:

copyTo in interface ByteSink

newInstance

public BasicBytez newInstance(long size)

Specified by:

newInstance in interface BasicBytez

compareAndSwapInt

public boolean compareAndSwapInt(long offset,
                                 int expect,
                                 int newVal)

Specified by:

compareAndSwapInt in interface Bytez

compareAndSwapLong

public boolean compareAndSwapLong(long offset,
                                  long expect,
                                  long newVal)

Specified by:

compareAndSwapLong in interface Bytez

toBytes

public byte[] toBytes(long startIndex,
                      int len)

Specified by:

toBytes in interface Bytez

asByteArray

public byte[] asByteArray()

Specified by:

asByteArray in interface Bytez

Returns:

return the underlying byte array, not supported by MallocBytez !. Use getArr to extract data by copy instead.

getBAOffsetIndex

public int getBAOffsetIndex()

Specified by:

getBAOffsetIndex in interface Bytez

Returns:

the start index inside the byte array returned by asByteArray, not supported by MallocBytez

getBALength

public int getBALength()

Specified by:

getBALength in interface Bytez

Returns:

the length inside the byte array returned by asByteArray, not supported by MallocBytez

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getBoolVolatile

public boolean getBoolVolatile(long byteIndex)

Specified by:

getBoolVolatile in interface Bytez

getVolatile

public byte getVolatile(long byteIndex)

Specified by:

getVolatile in interface Bytez

getCharVolatile

public char getCharVolatile(long byteIndex)

Specified by:

getCharVolatile in interface Bytez

getShortVolatile

public short getShortVolatile(long byteIndex)

Specified by:

getShortVolatile in interface Bytez

getIntVolatile

public int getIntVolatile(long byteIndex)

Specified by:

getIntVolatile in interface Bytez

getLongVolatile

public long getLongVolatile(long byteIndex)

Specified by:

getLongVolatile in interface Bytez

getFloatVolatile

public float getFloatVolatile(long byteIndex)

Specified by:

getFloatVolatile in interface Bytez

getDoubleVolatile

public double getDoubleVolatile(long byteIndex)

Specified by:

getDoubleVolatile in interface Bytez

putBoolVolatile

public void putBoolVolatile(long byteIndex,
                            boolean value)

Specified by:

putBoolVolatile in interface Bytez

putVolatile

public void putVolatile(long byteIndex,
                        byte value)

Specified by:

putVolatile in interface Bytez

putCharVolatile

public void putCharVolatile(long byteIndex,
                            char c)

Specified by:

putCharVolatile in interface Bytez

putShortVolatile

public void putShortVolatile(long byteIndex,
                             short s)

Specified by:

putShortVolatile in interface Bytez

putIntVolatile

public void putIntVolatile(long byteIndex,
                           int i)

Specified by:

putIntVolatile in interface Bytez

putLongVolatile

public void putLongVolatile(long byteIndex,
                            long l)

Specified by:

putLongVolatile in interface Bytez

putFloatVolatile

public void putFloatVolatile(long byteIndex,
                             float f)

Specified by:

putFloatVolatile in interface Bytez

putDoubleVolatile

public void putDoubleVolatile(long byteIndex,
                              double d)

Specified by:

putDoubleVolatile in interface Bytez

getBaseAdress

public long getBaseAdress()

getLength

public long getLength()

clear

public void clear()