com.kenai.jaffl.provider
Class AbstractArrayMemoryIO

java.lang.Object
  com.kenai.jaffl.MemoryIO
      com.kenai.jaffl.provider.AbstractMemoryIO
          com.kenai.jaffl.provider.AbstractArrayMemoryIO

All Implemented Interfaces:

Pointer

Direct Known Subclasses:

ArrayMemoryIO

public abstract class AbstractArrayMemoryIO
extends AbstractMemoryIO

Nested Class Summary

protected static class

AbstractArrayMemoryIO.ArrayIO

Field Summary

protected byte[]	buffer
protected static AbstractArrayMemoryIO.ArrayIO	IO
protected int	length
protected static int	LONG_SIZE
protected int	offset

Fields inherited from interface com.kenai.jaffl.Pointer

SIZE

Constructor Summary

AbstractArrayMemoryIO(byte[] buffer)

AbstractArrayMemoryIO(byte[] buffer, int offset, int length)

AbstractArrayMemoryIO(int size)

Method Summary

long	address() Gets the native address of this memory object (optional operation).
byte[]	array()
void	clear()
void	get(long offset, byte[] dst, int off, int len) Bulk byte get method.
void	get(long offset, double[] dst, int off, int len) Bulk double get method.
void	get(long offset, float[] dst, int off, int len) Bulk float get method.
void	get(long offset, int[] dst, int off, int len) Bulk int get method.
void	get(long offset, long[] dst, int off, int len) Bulk long get method.
void	get(long offset, short[] dst, int off, int len) Bulk short get method.
long	getAddress(long offset)
byte	getByte(long offset) Reads a 8 bit integer at the given offset.
double	getDouble(long offset) Reads a 64 bit floating point value at the given offset.
float	getFloat(long offset) Reads a 32 bit floating point value at the given offset.
int	getInt(long offset) Reads a 32 bit integer at the given offset.
long	getLong(long offset) Reads a 64 bit integer at the given offset.
short	getShort(long offset) Reads a 16 bit integer at the given offset.
java.lang.String	getString(long offset)
java.lang.String	getString(long offset, int maxLength, java.nio.charset.Charset cs)
protected int	index(long off)
int	indexOf(long offset, byte value)
int	indexOf(long offset, byte value, int maxlen)
boolean	isDirect() Tells whether or not this memory object is direct.
boolean	isNull()
int	length()
int	offset()
void	put(long offset, byte[] src, int off, int len) Bulk byte put method.
void	put(long offset, double[] src, int off, int len) Bulk double put method.
void	put(long offset, float[] src, int off, int len) Bulk float put method.
void	put(long offset, int[] src, int off, int len) Bulk int put method.
void	put(long offset, long[] src, int off, int len) Bulk long put method.
void	put(long offset, short[] src, int off, int len) Bulk short put method.
void	putAddress(long offset, long value)
void	putByte(long offset, byte value) Writes an 8 bit integer value at the given offset.
void	putDouble(long offset, double value) Writes a 64 bit floating point value at the given offset.
void	putFloat(long offset, float value) Writes a 32 bit floating point value at the given offset.
void	putInt(long offset, int value) Writes a 32 bit integer value at the given offset.
void	putLong(long offset, long value) Writes a 64 bit integer value at the given offset.
void	putShort(long offset, short value) Writes a 16 bit integer value at the given offset.
void	putString(long offset, java.lang.String string, int maxLength, java.nio.charset.Charset cs)
void	setMemory(long offset, long size, byte value)

Methods inherited from class com.kenai.jaffl.provider.AbstractMemoryIO

checkBounds, getNativeLong, putAddress, putNativeLong, slice, slice, transferFrom, transferTo

Methods inherited from class com.kenai.jaffl.MemoryIO

allocate, allocateDirect, allocateDirect, getMemoryIO, getMemoryIO, getPointer, putPointer, wrap, wrap, wrap

Methods inherited from class java.lang.Object

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

Field Detail

IO

protected static final AbstractArrayMemoryIO.ArrayIO IO

LONG_SIZE

protected static final int LONG_SIZE

buffer

protected final byte[] buffer

offset

protected final int offset

length

protected final int length

Constructor Detail

AbstractArrayMemoryIO

public AbstractArrayMemoryIO(byte[] buffer,
                             int offset,
                             int length)

AbstractArrayMemoryIO

public AbstractArrayMemoryIO(byte[] buffer)

AbstractArrayMemoryIO

public AbstractArrayMemoryIO(int size)

Method Detail

array

public final byte[] array()

offset

public final int offset()

length

public final int length()

isDirect

public final boolean isDirect()

Description copied from class: MemoryIO

Tells whether or not this memory object is direct. Memory objects can be either direct (representing native memory), or non-direct (representing java heap memory).

Specified by:

isDirect in interface Pointer

Specified by:

isDirect in class MemoryIO

Returns:

true if, and only if, this memory object is direct

address

public long address()

Description copied from class: MemoryIO

Gets the native address of this memory object (optional operation).

Specified by:

address in interface Pointer

Specified by:

address in class MemoryIO

Returns:

The native address of this memory object.

index

protected final int index(long off)

isNull

public final boolean isNull()

getString

public java.lang.String getString(long offset)

Specified by:

getString in interface Pointer

Specified by:

getString in class MemoryIO

getString

public java.lang.String getString(long offset,
                                  int maxLength,
                                  java.nio.charset.Charset cs)

Specified by:

getString in class MemoryIO

putString

public void putString(long offset,
                      java.lang.String string,
                      int maxLength,
                      java.nio.charset.Charset cs)

Specified by:

putString in class MemoryIO

getByte

public final byte getByte(long offset)

Description copied from class: MemoryIO

Reads a 8 bit integer at the given offset.

Specified by:

getByte in interface Pointer

Specified by:

getByte in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The byte value at the offset.

getShort

public final short getShort(long offset)

Description copied from class: MemoryIO

Reads a 16 bit integer at the given offset.

Specified by:

getShort in interface Pointer

Specified by:

getShort in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The short value at the offset.

getInt

public final int getInt(long offset)

Description copied from class: MemoryIO

Reads a 32 bit integer at the given offset.

Specified by:

getInt in interface Pointer

Specified by:

getInt in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The int value at the offset.

getLong

public final long getLong(long offset)

Description copied from class: MemoryIO

Reads a 64 bit integer at the given offset.

Specified by:

getLong in interface Pointer

Specified by:

getLong in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The long value at the offset.

getAddress

public final long getAddress(long offset)

Overrides:

getAddress in class AbstractMemoryIO

getFloat

public final float getFloat(long offset)

Description copied from class: MemoryIO

Reads a 32 bit floating point value at the given offset.

Specified by:

getFloat in interface Pointer

Specified by:

getFloat in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The float value at the offset.

getDouble

public final double getDouble(long offset)

Description copied from class: MemoryIO

Reads a 64 bit floating point value at the given offset.

Specified by:

getDouble in interface Pointer

Specified by:

getDouble in class MemoryIO

Parameters:

offset - The offset from which the integer will be read.

Returns:

The double value at the offset.

putByte

public final void putByte(long offset,
                          byte value)

Description copied from class: MemoryIO

Writes an 8 bit integer value at the given offset.

Specified by:

putByte in interface Pointer

Specified by:

putByte in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

putShort

public final void putShort(long offset,
                           short value)

Description copied from class: MemoryIO

Writes a 16 bit integer value at the given offset.

Specified by:

putShort in interface Pointer

Specified by:

putShort in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

putInt

public final void putInt(long offset,
                         int value)

Description copied from class: MemoryIO

Writes a 32 bit integer value at the given offset.

Specified by:

putInt in interface Pointer

Specified by:

putInt in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

putLong

public final void putLong(long offset,
                          long value)

Description copied from class: MemoryIO

Writes a 64 bit integer value at the given offset.

Specified by:

putLong in interface Pointer

Specified by:

putLong in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

putAddress

public final void putAddress(long offset,
                             long value)

Overrides:

putAddress in class AbstractMemoryIO

putFloat

public final void putFloat(long offset,
                           float value)

Description copied from class: MemoryIO

Writes a 32 bit floating point value at the given offset.

Specified by:

putFloat in interface Pointer

Specified by:

putFloat in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

putDouble

public final void putDouble(long offset,
                            double value)

Description copied from class: MemoryIO

Writes a 64 bit floating point value at the given offset.

Specified by:

putDouble in interface Pointer

Specified by:

putDouble in class MemoryIO

Parameters:

offset - The offset at which the value will be written.

value - The value to be written.

get

public final void get(long offset,
                      byte[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk byte get method. This method reads an array of bytes at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      byte[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk byte put method. This method writes an array of bytes at the given offset from the given source array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

get

public final void get(long offset,
                      short[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk short get method. This method reads an array of 16 bit integers at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      short[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk short put method. This method writes an array of 16 bit integers at the given offset from the given array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

get

public final void get(long offset,
                      int[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk int get method. This method reads an array of 32 bit integers at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      int[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk int put method. This method writes an array of 32 bit integers at the given offset from the given array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

get

public final void get(long offset,
                      long[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk long get method. This method reads an array of 64 bit integers at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      long[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk long put method. This method writes an array of 64 bit integers at the given offset from the given array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

get

public final void get(long offset,
                      float[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk float get method. This method reads an array of 32 bit floats at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      float[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk float put method. This method writes an array of 32 bit floats at the given offset from the given array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

get

public final void get(long offset,
                      double[] dst,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk double get method. This method reads an array of 64 bit floats at the given offset into the given destination array.

Specified by:

get in interface Pointer

Specified by:

get in class MemoryIO

Parameters:

offset - The offset at which the values will be read.

dst - The array into which values are to be written.

off - The index within the destination array of the first value to be written.

len - The number of values to be written to the destination array.

put

public final void put(long offset,
                      double[] src,
                      int off,
                      int len)

Description copied from class: MemoryIO

Bulk double put method. This method writes an array of 64 bit floats at the given offset from the given array.

Specified by:

put in interface Pointer

Specified by:

put in class MemoryIO

Parameters:

offset - The offset at which the values will be written.

src - The source array from which values are to be read.

off - The index within the destination array of the first value to be read.

len - The number of values to be read from the source array.

indexOf

public final int indexOf(long offset,
                         byte value)

Overrides:

indexOf in class AbstractMemoryIO

indexOf

public final int indexOf(long offset,
                         byte value,
                         int maxlen)

Specified by:

indexOf in class MemoryIO

setMemory

public final void setMemory(long offset,
                            long size,
                            byte value)

Specified by:

setMemory in class MemoryIO

clear

public final void clear()