DataBuffers

public final class DataBuffers

Helper class for creating DataBuffer instances.

Public Constructors

DataBuffers()

Public Methods

static FloatDataBuffer	of(FloatBuffer buf) Wraps a JDK NIO FloatBuffer into a data buffer.
static LongDataBuffer	of(long[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of longs into a data buffer.
static <T> DataBuffer<T>	of(T[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of objects into a data buffer.
static DoubleDataBuffer	of(double[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of doubles into a data buffer.
static ShortDataBuffer	of(short... values) Create a buffer from an array of shorts into a data buffer.
static IntDataBuffer	of(IntBuffer buf) Wraps a JDK NIO IntBuffer into a data buffer.
static DoubleDataBuffer	of(DoubleBuffer buf) Wraps a JDK NIO DoubleBuffer into a data buffer.
static ByteDataBuffer	of(byte... values) Create a buffer from an array of bytes into a data buffer.
static LongDataBuffer	of(long... values) Create a buffer from an array of longs into a data buffer.
static ByteDataBuffer	of(ByteBuffer buf) Wraps a JDK NIO ByteBuffer into a data buffer.
static DoubleDataBuffer	of(double... values) Create a buffer from an array of doubles into a data buffer.
static FloatDataBuffer	of(float[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of floats into a data buffer.
static BooleanDataBuffer	of(boolean[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of booleans into a data buffer.
static ShortDataBuffer	of(ShortBuffer buf) Wraps a JDK NIO ShortBuffer into a data buffer.
static ShortDataBuffer	of(short[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of shorts into a data buffer.
static LongDataBuffer	of(LongBuffer buf) Wraps a JDK NIO LongBuffer into a data buffer.
static ByteDataBuffer	of(byte[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of bytes into a data buffer.
static IntDataBuffer	of(int[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of ints into a data buffer.
static FloatDataBuffer	of(float... values) Create a buffer from an array of floats into a data buffer.
static BooleanDataBuffer	of(boolean... values) Create a buffer from an array of booleans into a data buffer.
static IntDataBuffer	of(int... values) Create a buffer from an array of ints into a data buffer.
static BooleanDataBuffer	ofBooleans(long size) Creates a buffer of booleans that can store up to size values
static ByteDataBuffer	ofBytes(long size) Creates a buffer of bytes that can store up to size values
static DoubleDataBuffer	ofDoubles(long size) Creates a buffer of doubles that can store up to size values
static FloatDataBuffer	ofFloats(long size) Creates a buffer of floats that can store up to size values
static IntDataBuffer	ofInts(long size) Creates a buffer of integers that can store up to size values
static LongDataBuffer	ofLongs(long size) Creates a buffer of longs that can store up to size values
static <T> DataBuffer<T>	ofObjects(Class<T> type, long size) Creates a buffer of references to objects of type clazz` that can store up to `size values.
static <T> DataBuffer<T>	ofObjects(T... values) Create a buffer from an array of objects into a data buffer.
static ShortDataBuffer	ofShorts(long size) Creates a buffer of shorts that can store up to size values

Inherited Methods

From class java.lang.Object

boolean	equals(Object arg0)
final Class<?>	getClass()
int	hashCode()
final void	notify()
final void	notifyAll()
String	toString()
final void	wait(long arg0, int arg1)
final void	wait(long arg0)
final void	wait()

Public Constructors

public DataBuffers ()

Public Methods

public static FloatDataBuffer of (FloatBuffer buf)

Wraps a JDK NIO FloatBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static LongDataBuffer of (long[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of longs into a data buffer.

Parameters

array	array of longs
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static DataBuffer<T> of (T[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of objects into a data buffer.

Parameters

array	array of objects
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static DoubleDataBuffer of (double[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of doubles into a data buffer.

Parameters

array	array of doubles
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static ShortDataBuffer of (short... values)

Create a buffer from an array of shorts into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	short values

Returns

• a new buffer

public static IntDataBuffer of (IntBuffer buf)

Wraps a JDK NIO IntBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static DoubleDataBuffer of (DoubleBuffer buf)

Wraps a JDK NIO DoubleBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static ByteDataBuffer of (byte... values)

Create a buffer from an array of bytes into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	byte values

Returns

• a new buffer

public static LongDataBuffer of (long... values)

Create a buffer from an array of longs into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	long values

Returns

• a new buffer

public static ByteDataBuffer of (ByteBuffer buf)

Wraps a JDK NIO ByteBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static DoubleDataBuffer of (double... values)

Create a buffer from an array of doubles into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(array, false, false}

Parameters

values	double values

Returns

• a new buffer

public static FloatDataBuffer of (float[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of floats into a data buffer.

Parameters

array	array of floats
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static BooleanDataBuffer of (boolean[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of booleans into a data buffer.

Parameters

array	array of booleans
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static ShortDataBuffer of (ShortBuffer buf)

Wraps a JDK NIO ShortBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static ShortDataBuffer of (short[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of shorts into a data buffer.

Parameters

array	array of shorts
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static LongDataBuffer of (LongBuffer buf)

Wraps a JDK NIO LongBuffer into a data buffer.

Parameters

buf	buffer to wrap

Returns

• a new buffer

public static ByteDataBuffer of (byte[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of bytes into a data buffer.

Parameters

array	array of bytes
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static IntDataBuffer of (int[] array, boolean readOnly, boolean makeCopy)

Create a buffer from an array of ints into a data buffer.

Parameters

array	array of ints
readOnly	true if the buffer created must be read-only
makeCopy	true if the array must be copied, false will wrap the provided array

Returns

• a new buffer

public static FloatDataBuffer of (float... values)

Create a buffer from an array of floats into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	float values

Returns

• a new buffer

public static BooleanDataBuffer of (boolean... values)

Create a buffer from an array of booleans into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	booleans values

Returns

• a new buffer

public static IntDataBuffer of (int... values)

Create a buffer from an array of ints into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	int values

Returns

• a new buffer

public static BooleanDataBuffer ofBooleans (long size)

Creates a buffer of booleans that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static ByteDataBuffer ofBytes (long size)

Creates a buffer of bytes that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static DoubleDataBuffer ofDoubles (long size)

Creates a buffer of doubles that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static FloatDataBuffer ofFloats (long size)

Creates a buffer of floats that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static IntDataBuffer ofInts (long size)

Creates a buffer of integers that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static LongDataBuffer ofLongs (long size)

Creates a buffer of longs that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer

public static DataBuffer<T> ofObjects (Class<T> type, long size)

Creates a buffer of references to objects of type clazz` that can store up to `size values.

Parameters

type	the type of object stored in this buffer
size	size of the buffer to allocate

Returns

• a new buffer

public static DataBuffer<T> ofObjects (T... values)

Create a buffer from an array of objects into a data buffer.

The returned buffer allows read and write operations and share the memory of the source array, which is equivalent to call of(values, false, false}

Parameters

values	objects values

Returns

• a new buffer

public static ShortDataBuffer ofShorts (long size)

Creates a buffer of shorts that can store up to size values

Parameters

size	size of the buffer to allocate

Returns

• a new buffer