Package org.moeaframework.core.constraint

Class BoundedConstraint

java.lang.Object

org.moeaframework.core.constraint.AbstractConstraint

org.moeaframework.core.constraint.BoundedConstraint

All Implemented Interfaces:

Serializable, Comparable<Constraint>, Constraint, Copyable<Constraint>, Defined, Named

Direct Known Subclasses:

Between, Outside

public abstract class BoundedConstraint
extends AbstractConstraint

Abstract class for bounded constraints of the form <lower> <op> <value> <op> <upper>. To handle numerical precision when comparing floating-point values, a small epsilon difference is permitted, which by default is Settings.EPS.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.moeaframework.core.Defined

Defined.ConstructorComparator

Field Summary

Fields

Modifier and Type	Field	Description
protected final double	epsilon	The epsilon or numerical precision of this constraint.
protected final double	lower	The lower bound of this constraint.
protected final double	upper	The upper bound of this constraint.

Fields inherited from class org.moeaframework.core.constraint.AbstractConstraint

name, value

Constructor Summary

Constructors

Constructor	Description
BoundedConstraint(double lower, double upper)	Constructs a new bounded constraint.
BoundedConstraint(double lower, double upper, double epsilon)	Constructs a new bounded constraint.
BoundedConstraint(String name, double lower, double upper)	Constructs a new bounded constraint.
BoundedConstraint(String name, double lower, double upper, double epsilon)	Constructs a new bounded constraint.
BoundedConstraint(BoundedConstraint copy)	Constructs a copy of a bounded constraint.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
String	getDefinition()	Returns the string representation, or definition, of this object.
double	getEpsilon()	Returns the epsilon or numerical precision of this constraint.
double	getLower()	Returns the lower bound of this constraint.
double	getUpper()	Returns the upper bound of this constraint.
int	hashCode()
String	toString()

Methods inherited from class org.moeaframework.core.constraint.AbstractConstraint

getName, getValue, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.moeaframework.core.constraint.Constraint

compareTo, getMagnitudeOfViolation, isViolation, withValue

Methods inherited from interface org.moeaframework.core.Copyable

copy

Field Details

lower

protected final double lower

The lower bound of this constraint.

upper

protected final double upper

The upper bound of this constraint.

epsilon

protected final double epsilon

The epsilon or numerical precision of this constraint.

Constructor Details

BoundedConstraint

public BoundedConstraint(double lower,
 double upper)

Constructs a new bounded constraint.

Parameters:

lower - the lower threshold

upper - the upper threshold

BoundedConstraint

public BoundedConstraint(double lower,
 double upper,
 double epsilon)

Constructs a new bounded constraint.

Parameters:

lower - the lower threshold

upper - the upper threshold

epsilon - the epsilon value

BoundedConstraint

public BoundedConstraint(String name,
 double lower,
 double upper)

Constructs a new bounded constraint.

Parameters:

name - the name

lower - the lower threshold

upper - the upper threshold

BoundedConstraint

public BoundedConstraint(String name,
 double lower,
 double upper,
 double epsilon)

Constructs a new bounded constraint.

Parameters:

name - the name

lower - the lower threshold

upper - the upper threshold

epsilon - the epsilon value

BoundedConstraint

public BoundedConstraint(BoundedConstraint copy)

Constructs a copy of a bounded constraint.

Parameters:

copy - the constraint to copy

Method Details

getLower

public double getLower()

Returns the lower bound of this constraint.

Returns:

the lower bound

getUpper

public double getUpper()

Returns the upper bound of this constraint.

Returns:

the upper bound

getEpsilon

public double getEpsilon()

Returns the epsilon or numerical precision of this constraint.

Returns:

the epsilon value

getDefinition

public String getDefinition()

Description copied from interface: Defined

Returns the string representation, or definition, of this object.

Returns:

the definition

toString

public String toString()

Overrides:

toString in class AbstractConstraint

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractConstraint

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractConstraint