weka.core.pmml

Class Array

java.lang.Object

weka.core.pmml.Array

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

SparseArray

public class Array
extends Object
implements Serializable

Class for encapsulating a PMML Array element.

Version:

$Revision: 10203 $

Author:

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

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Array.ArrayType

Method Summary

Modifier and Type	Method and Description
boolean	contains(double value) Returns true if the array contains this real value.
boolean	contains(float value) Returns true if the array contains this real value.
boolean	contains(int value) Returns true if the array contains this integer value.
boolean	contains(String value) Returns true if the array contains this string value.
static Array	create(Element arrayE) Static factory method for creating non-sparse or sparse array types as needed.
static Array	create(List<Object> values, List<Integer> indices)
Array.ArrayType	getType() Get the type of this array.
int	index(int position) Returns the index of the value stored at the given position
static boolean	isArray(Element arrayE) Utility method to check if an XML element is an array.
boolean	isSparse() Is this array a SparseArray?
int	numValues() Get the number of values in this array.
String	toString()
String	value(int index) Gets the value at index from the array.
double	valueDouble(int index) Gets the value at index from the array as a double.
float	valueFloat(int index) Gets the value at index from the array as a float.
int	valueInt(int index) Gets the value at index from the array as an int.
String	valueSparse(int indexOfIndex) Gets the value at indexOfIndex from the array.
double	valueSparseDouble(int indexOfIndex) Gets the value at indexOfIndex from the array.
float	valueSparseFloat(int indexOfIndex) Gets the value at indexOfIndex from the array.
int	valueSparseInt(int indexOfIndex) Gets the value at indexOfIndex from the array.
String	valueSparseString(int indexOfIndex) Gets the value at indexOfIndex from the array.
String	valueString(int index) Gets the value at index from the array as a String.

Methods inherited from class java.lang.Object

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

Method Detail

isArray

public static boolean isArray(Element arrayE)

Utility method to check if an XML element is an array.

Parameters:

arrayE - the XML element to check

Returns:

returns true if the XML element is an array

create

public static Array create(List<Object> values,
                           List<Integer> indices)
                    throws Exception

Throws:

Exception

create

public static Array create(Element arrayE)
                    throws Exception

Static factory method for creating non-sparse or sparse array types as needed.

Parameters:

arrayE - the XML element encapsulating the array

Returns:

an appropriate Array type

Throws:

Exception - if there is a problem when constructing the array

getType

public Array.ArrayType getType()

Get the type of this array.

Returns:

the type of the array.

isSparse

public boolean isSparse()

Is this array a SparseArray?

Returns:

true if this array is sparse.

numValues

public int numValues()

Get the number of values in this array.

Returns:

the number of values in this array.

contains

public boolean contains(String value)

Returns true if the array contains this string value.

Parameters:

value - the value to check for.

Returns:

true if the array contains this string value

contains

public boolean contains(int value)

Returns true if the array contains this integer value.

Parameters:

value - the value to check for

Returns:

true if the array contains this integer value

contains

public boolean contains(double value)

Returns true if the array contains this real value.

Parameters:

value - the value to check for

Returns:

true if the array contains this real value

contains

public boolean contains(float value)

Returns true if the array contains this real value.

Parameters:

value - the value to check for

Returns:

true if the array contains this real value

index

public int index(int position)

Returns the index of the value stored at the given position

Parameters:

position - the position

Returns:

the index of the value stored at the given position

value

public String value(int index)
             throws Exception

Gets the value at index from the 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.

valueString

public String valueString(int index)
                   throws Exception

Gets the value at index from the array as a String. Calls value().

Parameters:

index - the index of the value to get.

Returns:

the value at index in the array as a String.

Throws:

Exception - if index is out of bounds.

valueDouble

public double valueDouble(int index)
                   throws Exception

Gets the value at index from the array as a double.

Parameters:

index - the index of the value to get.

Returns:

the value at index in the array as a double.

Throws:

Exception - if index is out of bounds.

valueFloat

public float valueFloat(int index)
                 throws Exception

Gets the value at index from the array as a float.

Parameters:

index - the index of the value to get.

Returns:

the value at index in the array as a float.

Throws:

Exception - if index is out of bounds.

valueInt

public int valueInt(int index)
             throws Exception

Gets the value at index from the array as an int.

Parameters:

index - the index of the value to get.

Returns:

the value at index in the array as an int.

Throws:

Exception - if index is out of bounds.

valueSparse

public String valueSparse(int indexOfIndex)
                   throws Exception

Gets the value at indexOfIndex from the array. Does the same as value() if this array is not sparse.

Parameters:

indexOfIndex - the index of the index of the value to get.

Returns:

a value from the array as a String.

Throws:

Exception - if indexOfIndex is out of bounds.

valueSparseString

public String valueSparseString(int indexOfIndex)
                         throws Exception

Gets the value at indexOfIndex from the array. Does the same as value() if this array is not sparse.

Parameters:

indexOfIndex - the index of the index of the value to get.

Returns:

a value from the array as a String.

Throws:

Exception - if indexOfIndex is out of bounds.

valueSparseDouble

public double valueSparseDouble(int indexOfIndex)
                         throws Exception

Gets the value at indexOfIndex from the array. Does the same as value() if this array is not sparse.

Parameters:

indexOfIndex - the index of the index of the value to get.

Returns:

a value from the array as a double.

Throws:

Exception - if indexOfIndex is out of bounds.

valueSparseFloat

public float valueSparseFloat(int indexOfIndex)
                       throws Exception

Gets the value at indexOfIndex from the array. Does the same as value() if this array is not sparse.

Parameters:

indexOfIndex - the index of the index of the value to get.

Returns:

a value from the array as a float.

Throws:

Exception - if indexOfIndex is out of bounds.

valueSparseInt

public int valueSparseInt(int indexOfIndex)
                   throws Exception

Gets the value at indexOfIndex from the array. Does the same as value() if this array is not sparse.

Parameters:

indexOfIndex - the index of the index of the value to get.

Returns:

a value from the array as an int.

Throws:

Exception - if indexOfIndex is out of bounds.

toString

public String toString()

Overrides:

toString in class Object