org.moeaframework.problem
Class AbstractProblem

java.lang.Object
  org.moeaframework.problem.AbstractProblem

All Implemented Interfaces:

Problem

Direct Known Subclasses:

Belegundu, Binh, Binh2, Binh3, Binh4, CF1, CF10, CF2, CF3, CF4, CF5, CF6, CF7, CF8, CF9, DTLZ, Fonseca, Fonseca2, Jimenez, Kita, Kursawe, Laumanns, Lis, LZ, Murata, Obayashi, OKA1, OKA2, Osyczka, Osyczka2, Poloni, ProblemStub, Quagliarella, Rendon, Rendon2, Schaffer, Schaffer2, Srinivas, Tamaki, Tanaka, UF1, UF10, UF11, UF12, UF2, UF3, UF4, UF5, UF6, UF7, UF8, UF9, Viennet, Viennet2, Viennet3, Viennet4, WFG, ZDT

public abstract class AbstractProblem
extends Object
implements Problem

Abstract class for Problems.

Field Summary

protected int	numberOfConstraints The number of constraints defined by this problem.
protected int	numberOfObjectives The number of objectives defined by this problem.
protected int	numberOfVariables The number of variables defined by this problem.

Constructor Summary

AbstractProblem(int numberOfVariables, int numberOfObjectives)
Constructs an unconstrained abstract problem with the specified number of decision variables and objectives.

AbstractProblem(int numberOfVariables, int numberOfObjectives, int numberOfConstraints)
Constructs an abstract problem with the specified number of decision variables, objectives and constraints.

Method Summary

void	close() Closes any underlying resources used by this problem.
protected void	finalize() Calls close() if this problem has not yet been closed prior to finalization.
String	getName() Returns the user-friendly name for this problem.
int	getNumberOfConstraints() Returns the number of constraints defined by this problem.
int	getNumberOfObjectives() Returns the number of objectives defined by this problem.
int	getNumberOfVariables() Returns the number of decision variables defined by this problem.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.moeaframework.core.Problem

evaluate, newSolution

Field Detail

numberOfVariables

protected final int numberOfVariables

The number of variables defined by this problem.

numberOfObjectives

protected final int numberOfObjectives

The number of objectives defined by this problem.

numberOfConstraints

protected final int numberOfConstraints

The number of constraints defined by this problem.

Constructor Detail

AbstractProblem

public AbstractProblem(int numberOfVariables,
                       int numberOfObjectives)

Constructs an unconstrained abstract problem with the specified number of decision variables and objectives.

Parameters:

numberOfVariables - the number of decision variables

numberOfObjectives - the number of objectives

AbstractProblem

public AbstractProblem(int numberOfVariables,
                       int numberOfObjectives,
                       int numberOfConstraints)

Constructs an abstract problem with the specified number of decision variables, objectives and constraints.

Parameters:

numberOfVariables - the number of decision variables

numberOfObjectives - the number of objectives

numberOfConstraints - the number of constraints

Method Detail

getName

public String getName()

Description copied from interface: Problem

Returns the user-friendly name for this problem.

Specified by:

getName in interface Problem

Returns:

the user-friendly name for this problem

getNumberOfVariables

public int getNumberOfVariables()

Description copied from interface: Problem

Returns the number of decision variables defined by this problem.

Specified by:

getNumberOfVariables in interface Problem

Returns:

the number of decision variables defined by this problem

getNumberOfObjectives

public int getNumberOfObjectives()

Description copied from interface: Problem

Returns the number of objectives defined by this problem.

Specified by:

getNumberOfObjectives in interface Problem

Returns:

the number of objectives defined by this problem

getNumberOfConstraints

public int getNumberOfConstraints()

Description copied from interface: Problem

Returns the number of constraints defined by this problem.

Specified by:

getNumberOfConstraints in interface Problem

Returns:

the number of constraints defined by this problem

finalize

protected void finalize()
                 throws Throwable

Calls close() if this problem has not yet been closed prior to finalization.

Overrides:

finalize in class Object

Throws:

Throwable - the Exception raised by this method

close

public void close()

Description copied from interface: Problem

Closes any underlying resources used by this problem. Once closed, further invocations of any methods on this problem may throw exceptions.

Specified by:

close in interface Problem