org.shared.array.sparse

Class ObjectSparseArray<T>

java.lang.Object

org.shared.array.sparse.ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

org.shared.array.sparse.ObjectSparseArray<T>

Type Parameters:

T - the storage type.

All Implemented Interfaces:

Cloneable, Array<ObjectSparseArray<T>,T>

public class ObjectSparseArray<T>
extends ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

A sparse object array class.

Nested Class Summary

Nested classes/interfaces inherited from interface org.shared.array.Array

Array.IndexingOrder

Field Summary

Fields inherited from class org.shared.array.sparse.ProtoSparseArray

dimOffsets, dims, emptyIndices, state, strides

Constructor Summary

Constructors

Modifier	Constructor and Description
	ObjectSparseArray(Class<T> clazz, int... dims) Default constructor.
protected	ObjectSparseArray(int unused, Class<T> clazz, int[] dims) Internal constructor with a distinctive signature.
	ObjectSparseArray(ObjectSparseArray<T> array) Alternate constructor.
protected	ObjectSparseArray(SparseArrayState<T[]> state, int[] dims, int[] strides, int[] dimOffsets) Internal constructor for package use only.

Method Summary

Methods

Modifier and Type	Method and Description
protected T[]	empty() Gets an empty array of values.
Class<T>	getComponentType() Gets the component type.
protected int	length(T[] values) Gets the length of the given array.
ObjectArray<T>	toDense() Converts this array to its dense form.
String	toString() Creates a human-readable representation of this array.
protected ObjectSparseArray<T>	wrap(SparseArrayState<T[]> state, int[] dims, int[] strides, int[] dimOffsets) Allocates a new array.
protected ObjectSparseArray<T>	wrap(T value, int[] dims, int[] strides, int[] dimOffsets) Allocates a new array initialized to the given value.

Methods inherited from class org.shared.array.sparse.ProtoSparseArray

clone, concat, createDimensionOffsets, dims, insert, map, nDims, order, reshape, reverse, reverseOrder, shift, size, size, slice, slice, slice, slice, splice, stride, strides, subarray, tile, transpose

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectSparseArray

public ObjectSparseArray(Class<T> clazz,
                 int... dims)

Default constructor.

ObjectSparseArray

protected ObjectSparseArray(int unused,
                 Class<T> clazz,
                 int[] dims)

Internal constructor with a distinctive signature.

ObjectSparseArray

public ObjectSparseArray(ObjectSparseArray<T> array)

Alternate constructor.

ObjectSparseArray

protected ObjectSparseArray(SparseArrayState<T[]> state,
                 int[] dims,
                 int[] strides,
                 int[] dimOffsets)

Internal constructor for package use only.

Method Detail

getComponentType

public Class<T> getComponentType()

Description copied from interface: Array

Gets the component type.

wrap

protected ObjectSparseArray<T> wrap(T value,
                        int[] dims,
                        int[] strides,
                        int[] dimOffsets)

Description copied from class: ProtoSparseArray

Allocates a new array initialized to the given value.

Specified by:

wrap in class ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

Parameters:

value - the initial value.

dims - the dimensions.

strides - the strides.

dimOffsets - the dimension offsets.

Returns:

the new array.

wrap

protected ObjectSparseArray<T> wrap(SparseArrayState<T[]> state,
                        int[] dims,
                        int[] strides,
                        int[] dimOffsets)

Description copied from class: ProtoSparseArray

Allocates a new array.

Specified by:

wrap in class ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

Parameters:

state - the SparseArrayState.

dims - the dimensions.

strides - the strides.

dimOffsets - the dimension offsets.

Returns:

the new array.

length

protected int length(T[] values)

Description copied from class: ProtoSparseArray

Gets the length of the given array.

Specified by:

length in class ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

Parameters:

values - the array.

Returns:

the length.

empty

protected T[] empty()

Description copied from class: ProtoSparseArray

Gets an empty array of values.

Specified by:

empty in class ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

toDense

public ObjectArray<T> toDense()

Description copied from class: ProtoSparseArray

Converts this array to its dense form.

Specified by:

toDense in class ProtoSparseArray<ObjectSparseArray<T>,T[],T,ObjectArray<T>>

toString

public String toString()

Description copied from interface: Array

Creates a human-readable representation of this array.

Specified by:

toString in interface Array<ObjectSparseArray<T>,T>

Overrides:

toString in class Object