org.sat4j.pb
Class PseudoOptDecorator

java.lang.Object
  org.sat4j.tools.SolverDecorator<IPBSolver>
      org.sat4j.pb.PBSolverDecorator
          org.sat4j.pb.PseudoOptDecorator

All Implemented Interfaces:

java.io.Serializable, IPBSolver, IOptimizationProblem, IProblem, ISolver

public class PseudoOptDecorator
extends PBSolverDecorator
implements IOptimizationProblem

A decorator that computes minimal pseudo boolean models.

Author:

daniel

See Also:

Serialized Form

Constructor Summary

PseudoOptDecorator(IPBSolver solver)

Method Summary

boolean	admitABetterSolution()
java.lang.Number	calculateObjective()
void	discard()
boolean	hasNoObjectiveFunction()
int[]	model()
boolean	model(int var)
boolean	nonOptimalMeansSatisfiable()
void	setObjectiveFunction(ObjectiveFunction objf)
java.lang.String	toString(java.lang.String prefix)

Methods inherited from class org.sat4j.pb.PBSolverDecorator

addPseudoBoolean, getExplanation, setListOfVariablesForExplanation

Methods inherited from class org.sat4j.tools.SolverDecorator

addAllClauses, addAtLeast, addAtMost, addClause, clearDecorated, clearLearntClauses, decorated, expireTimeout, findModel, findModel, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, nConstraints, newVar, newVar, nVars, printInfos, printStat, printStat, removeConstr, reset, setDBSimplificationAllowed, setExpectedNumberOfClauses, setTimeout, setTimeoutMs, setTimeoutOnConflicts

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.sat4j.specs.IProblem

findModel, findModel, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, nConstraints, nVars, printInfos

Methods inherited from interface org.sat4j.specs.ISolver

addAllClauses, addAtLeast, addAtMost, addClause, clearLearntClauses, expireTimeout, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, newVar, newVar, printStat, printStat, removeConstr, reset, setDBSimplificationAllowed, setExpectedNumberOfClauses, setTimeout, setTimeoutMs, setTimeoutOnConflicts

Constructor Detail

PseudoOptDecorator

public PseudoOptDecorator(IPBSolver solver)

Method Detail

setObjectiveFunction

public void setObjectiveFunction(ObjectiveFunction objf)

Specified by:

setObjectiveFunction in interface IPBSolver

Overrides:

setObjectiveFunction in class PBSolverDecorator

admitABetterSolution

public boolean admitABetterSolution()
                             throws TimeoutException

Specified by:

admitABetterSolution in interface IOptimizationProblem

Throws:

TimeoutException

hasNoObjectiveFunction

public boolean hasNoObjectiveFunction()

Specified by:

hasNoObjectiveFunction in interface IOptimizationProblem

nonOptimalMeansSatisfiable

public boolean nonOptimalMeansSatisfiable()

Specified by:

nonOptimalMeansSatisfiable in interface IOptimizationProblem

calculateObjective

public java.lang.Number calculateObjective()

Specified by:

calculateObjective in interface IOptimizationProblem

discard

public void discard()
             throws ContradictionException

Specified by:

discard in interface IOptimizationProblem

Throws:

ContradictionException

model

public int[] model()

Specified by:

model in interface IProblem

Overrides:

model in class SolverDecorator<IPBSolver>

model

public boolean model(int var)

Specified by:

model in interface IProblem

Overrides:

model in class SolverDecorator<IPBSolver>

toString

public java.lang.String toString(java.lang.String prefix)

Specified by:

toString in interface ISolver

Overrides:

toString in class SolverDecorator<IPBSolver>