Package org.moeaframework.problem
Class AbstractProblem
java.lang.Object
org.moeaframework.problem.AbstractProblem
- All Implemented Interfaces:
AutoCloseable
,Problem
- Direct Known Subclasses:
Ackley
,BBOBFunction
,Beale
,Belegundu
,Binh
,Binh2
,Binh3
,Binh4
,CF1
,CF10
,CF2
,CF3
,CF4
,CF5
,CF6
,CF7
,CF8
,CF9
,DTLZ
,Fonseca
,Fonseca2
,Griewank
,Himmelblau
,Jimenez
,Kita
,Kursawe
,Laumanns
,Lis
,LZ
,MaF13
,MaF8
,MaF9
,Murata
,Obayashi
,OKA1
,OKA2
,Osyczka
,Osyczka2
,Poloni
,ProblemStub
,Quagliarella
,Rastrigin
,Rendon
,Rendon2
,Rosenbrock
,Schaffer
,Schaffer2
,Schwefel
,Sphere
,Srinivas
,StackedProblem
,Tamaki
,Tanaka
,UF1
,UF10
,UF11
,UF12
,UF2
,UF3
,UF4
,UF5
,UF6
,UF7
,UF8
,UF9
,Viennet
,Viennet2
,Viennet3
,Viennet4
,WFG
,Zakharov
,ZCAT
,ZDT
Abstract class for a
Problem
. For simplicity, most problems should extend AbstractProblem
rather
than implement the Problem
interface directly. At a minimum, only the Problem.newSolution()
and
Problem.evaluate(org.moeaframework.core.Solution)
methods need to be defined.-
Field Summary
Modifier and TypeFieldDescriptionprotected final int
The number of constraints defined by this problem.protected final int
The number of objectives defined by this problem.protected final int
The number of variables defined by this problem. -
Constructor Summary
ConstructorDescriptionAbstractProblem
(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
Modifier and TypeMethodDescriptionvoid
close()
Closes any underlying resources used by this problem.getName()
Returns the user-friendly name for this problem.int
Returns the number of constraints defined by this problem.int
Returns the number of objectives defined by this problem.int
Returns the number of decision variables defined by this problem.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.moeaframework.core.Problem
evaluate, isType, newSolution
-
Field Details
-
numberOfVariables
protected final int numberOfVariablesThe number of variables defined by this problem. -
numberOfObjectives
protected final int numberOfObjectivesThe number of objectives defined by this problem. -
numberOfConstraints
protected final int numberOfConstraintsThe number of constraints defined by this problem.
-
-
Constructor Details
-
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 variablesnumberOfObjectives
- 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 variablesnumberOfObjectives
- the number of objectivesnumberOfConstraints
- the number of constraints
-
-
Method Details
-
getName
Description copied from 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 interfaceProblem
- 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 interfaceProblem
- 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 interfaceProblem
- Returns:
- the number of constraints defined by this problem
-
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 interfaceAutoCloseable
- Specified by:
close
in interfaceProblem
-