Package weka.core.pmml

Class SparseArray

java.lang.Object

weka.core.pmml.Array

weka.core.pmml.SparseArray

All Implemented Interfaces:

Serializable

public class SparseArray
extends Array
implements Serializable

Implementation of a sparse array. Extends Array.

Version:

$Revision: 8034 $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class weka.core.pmml.Array

Array.ArrayType

Method Summary

Modifier and Type	Method	Description
int	index(int position)	Returns the index of the value stored at the given position
boolean	isSparse()	Overrides isSparse() in Array and always returns true.
int	locateIndex(int index)	Locates the greatest index that is not greater than the given index.
int	numNonZero()	Get the number of non-zero values in this sparse array
int	numValues()	Get the number of values in this array.
String	toString()
String	value(int arrIndex)	Gets the value at index from the array.

Methods inherited from class weka.core.pmml.Array

contains, contains, contains, contains, create, create, getType, isArray, valueDouble, valueFloat, valueInt, valueSparse, valueSparseDouble, valueSparseFloat, valueSparseInt, valueSparseString, valueString

Methods inherited from class java.lang.Object

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

Method Details

isSparse

public boolean isSparse()

Overrides isSparse() in Array and always returns true.

Overrides:

isSparse in class Array

Returns:

true always

numValues

public int numValues()

Get the number of values in this array.

Overrides:

numValues in class Array

Returns:

the number of values in this array.

numNonZero

public int numNonZero()

Get the number of non-zero values in this sparse array

Returns:

the number of values that are non-zero

index

public int index(int position)

Returns the index of the value stored at the given position

Overrides:

index in class Array

Parameters:

position - the position

Returns:

the index of the value stored at the given position

locateIndex

public int locateIndex(int index)

Locates the greatest index that is not greater than the given index.

Returns:

the internal index of the attribute index. Returns -1 if no index with this property could be found

value

public String value(int arrIndex)
             throws Exception

Gets the value at index from the array.

Overrides:

value in class Array

Parameters:

index - the index of the value to get.

Returns:

the value at index in the array as as String.

Throws:

Exception - if index is out of bounds.

toString

public String toString()

Overrides:

toString in class Array