org.tensorflow.ndarray.buffer

Class DataBuffers

java.lang.Object

org.tensorflow.ndarray.buffer.DataBuffers

public final class DataBuffers
extends Object

Helper class for creating DataBuffer instances.

Constructor Summary

Constructors

Constructor and Description
DataBuffers()

Method Summary

Modifier and Type	Method and Description
static BooleanDataBuffer	of(boolean... values) Create a buffer from an array of booleans 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 ByteDataBuffer	of(byte... values) Create a buffer from an array of bytes 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 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 DoubleDataBuffer	of(double[] array, boolean readOnly, boolean makeCopy) Create a buffer from an array of doubles into a data buffer.
static DoubleDataBuffer	of(DoubleBuffer buf) Wraps a JDK NIO DoubleBuffer into a data buffer.
static FloatDataBuffer	of(float... values) Create a buffer from an array of floats 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 FloatDataBuffer	of(FloatBuffer buf) Wraps a JDK NIO FloatBuffer into a data buffer.
static IntDataBuffer	of(int... values) Create a buffer from an array of ints 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 IntDataBuffer	of(IntBuffer buf) Wraps a JDK NIO IntBuffer into a data buffer.
static LongDataBuffer	of(long... values) Create a buffer from an array of longs 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 LongDataBuffer	of(LongBuffer buf) Wraps a JDK NIO LongBuffer into a data buffer.
static ShortDataBuffer	of(short... values) Create a buffer from an array of shorts 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 ShortDataBuffer	of(ShortBuffer buf) Wraps a JDK NIO ShortBuffer 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 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

Methods inherited from class java.lang.Object

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

Constructor Detail

DataBuffers

public DataBuffers()

Method Detail

ofBytes

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

ofLongs

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

ofInts

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

ofShorts

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

ofDoubles

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

ofFloats

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

ofBooleans

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

ofObjects

public 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.

Type Parameters:

T - data type

Parameters:

type - the type of object stored in this buffer

size - size of the buffer to allocate

Returns:

a new buffer

of

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

of

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

of

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

of

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

of

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

of

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

of

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

ofObjects

@SafeVarargs
public static <T> 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}

Type Parameters:

T - data type

Parameters:

values - objects values

Returns:

a new buffer

of

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

of

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

of

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

of

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

of

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

of

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

of

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

of

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

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

Type Parameters:

T - data type

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

of

public static ByteDataBuffer of(ByteBuffer buf)

Wraps a JDK NIO ByteBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer

of

public static IntDataBuffer of(IntBuffer buf)

Wraps a JDK NIO IntBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer

of

public static ShortDataBuffer of(ShortBuffer buf)

Wraps a JDK NIO ShortBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer

of

public static LongDataBuffer of(LongBuffer buf)

Wraps a JDK NIO LongBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer

of

public static FloatDataBuffer of(FloatBuffer buf)

Wraps a JDK NIO FloatBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer

of

public static DoubleDataBuffer of(DoubleBuffer buf)

Wraps a JDK NIO DoubleBuffer into a data buffer.

Parameters:

buf - buffer to wrap

Returns:

a new buffer