org.apache.ignite.ml.math.primitives.vector.storage

Class DenseVectorStorage

java.lang.Object

org.apache.ignite.ml.math.primitives.vector.storage.DenseVectorStorage

All Implemented Interfaces:

Externalizable, Serializable, Destroyable, VectorStorage, StorageOpsMetrics

public class DenseVectorStorage
extends Object
implements VectorStorage

Array based VectorStorage implementation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DenseVectorStorage() IMPL NOTE required by Externalizable.
DenseVectorStorage(double[] data)
DenseVectorStorage(int size)

Method Summary

Modifier and Type	Method and Description
double[]	data() Gets underlying array if StorageOpsMetrics.isArrayBased() returns true.
boolean	equals(Object obj)
double	get(int i)
int	hashCode()
boolean	isArrayBased() Checks if implementation is based on Java arrays.
boolean	isDense() Checks if this implementation should be considered dense so that it explicitly represents every value.
boolean	isDistributed() Checks whether implementation is JVM-local or distributed (multi-JVM).
boolean	isRandomAccess() Checks if this implementation is optimized for random access.
boolean	isSequentialAccess() Checks if this implementation should be considered to be iterable in index order in an efficient way.
void	readExternal(ObjectInput in)
void	set(int i, double v)
int	size()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.ml.math.Destroyable

destroy

Constructor Detail

DenseVectorStorage

public DenseVectorStorage()

IMPL NOTE required by Externalizable.

DenseVectorStorage

public DenseVectorStorage(int size)

Parameters:

size - Vector size.

DenseVectorStorage

public DenseVectorStorage(double[] data)

Parameters:

data - Backing data array.

Method Detail

size

public int size()

Specified by:

size in interface VectorStorage

get

public double get(int i)

Specified by:

get in interface VectorStorage

Parameters:

i - Vector element index.

Returns:

Value obtained for given element index.

set

public void set(int i,
                double v)

Specified by:

set in interface VectorStorage

Parameters:

i - Vector element index.

v - Value to set at given index.

isArrayBased

public boolean isArrayBased()

Checks if implementation is based on Java arrays.}

Specified by:

isArrayBased in interface StorageOpsMetrics

data

public double[] data()

Gets underlying array if StorageOpsMetrics.isArrayBased() returns true. Returns null if in other cases.

Specified by:

data in interface VectorStorage

See Also:

StorageOpsMetrics.isArrayBased()

isSequentialAccess

public boolean isSequentialAccess()

Checks if this implementation should be considered to be iterable in index order in an efficient way.

Specified by:

isSequentialAccess in interface StorageOpsMetrics

isDense

public boolean isDense()

Checks if this implementation should be considered dense so that it explicitly represents every value.

Specified by:

isDense in interface StorageOpsMetrics

isRandomAccess

public boolean isRandomAccess()

Checks if this implementation is optimized for random access.

Specified by:

isRandomAccess in interface StorageOpsMetrics

isDistributed

public boolean isDistributed()

Checks whether implementation is JVM-local or distributed (multi-JVM).

Specified by:

isDistributed in interface StorageOpsMetrics

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object