fuzzydl

Class FeatureFunction

java.lang.Object

fuzzydl.FeatureFunction

public class FeatureFunction
extends java.lang.Object

Function involving several features.

Author:

Fernando Bobillo

Field Summary

Fields

Modifier and Type	Field and Description
static int	ATOMIC Feature.
static int	NUMBER Number
static int	PRODUCT Product of a number and a feature.
static int	SUBSTRACTION Substraction function.
static int	SUM Sum function.

Constructor Summary

Constructors

Constructor and Description
FeatureFunction(java.util.ArrayList<FeatureFunction> featureList) Constructor for the function (feature1 + feature2 + ... + featureN)
FeatureFunction(double n) Constructor for the function (n)
FeatureFunction(double n, FeatureFunction feature) Constructor for the function (n * feature)
FeatureFunction(FeatureFunction feature1, FeatureFunction feature2) Constructor for the function (feature1 - feature2)
FeatureFunction(java.lang.String feature) Constructor for the function (feature)

Method Summary

Modifier and Type	Method and Description
java.util.HashSet<java.lang.String>	getFeatures() Gets an array of features that take part in the function.
double	getNumber() Gets the parameter n of the function.
int	getType() Gets the type of the function.
Expression	toExpression(Individual a, MILPHelper milp) Returns a Expression representing the function.
java.lang.String	toString() Gets the name of the object.

Methods inherited from class java.lang.Object

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

Field Detail

ATOMIC

public static final int ATOMIC

Feature.

See Also:

Constant Field Values

NUMBER

public static final int NUMBER

Number

See Also:

Constant Field Values

SUM

public static final int SUM

Sum function.

See Also:

Constant Field Values

SUBSTRACTION

public static final int SUBSTRACTION

Substraction function.

See Also:

Constant Field Values

PRODUCT

public static final int PRODUCT

Product of a number and a feature.

See Also:

Constant Field Values

Constructor Detail

FeatureFunction

public FeatureFunction(java.lang.String feature)

Constructor for the function (feature)

Parameters:

feature - Feature.

FeatureFunction

public FeatureFunction(double n,
                       FeatureFunction feature)

Constructor for the function (n * feature)

Parameters:

feature - Feature.

n - Constant.

FeatureFunction

public FeatureFunction(double n)

Constructor for the function (n)

Parameters:

n - Constant.

FeatureFunction

public FeatureFunction(FeatureFunction feature1,
                       FeatureFunction feature2)

Constructor for the function (feature1 - feature2)

Parameters:

feature1 - Minuhend feature.

feature2 - Subtracted feature.

FeatureFunction

public FeatureFunction(java.util.ArrayList<FeatureFunction> featureList)

Constructor for the function (feature1 + feature2 + ... + featureN)

Parameters:

featureList - List of features to be added.

Method Detail

getType

public int getType()

Gets the type of the function.

Returns:

Type of the function.

getNumber

public double getNumber()

Gets the parameter n of the function.

Returns:

Parameter n of the function.

getFeatures

public java.util.HashSet<java.lang.String> getFeatures()

Gets an array of features that take part in the function.

Returns:

Features that take part in the function..

toExpression

public Expression toExpression(Individual a,
                               MILPHelper milp)

Returns a Expression representing the function.

Parameters:

a - Subject individual of the features.

milp - Instance of the MILPHelper class.

Returns:

An expression representing the function.

toString

public java.lang.String toString()

Gets the name of the object.

Overrides:

toString in class java.lang.Object

Returns:

Name of the object.