org.sat4j.pb

Class ConstraintRelaxingPseudoOptDecorator

java.lang.Object

org.sat4j.tools.SolverDecorator<IPBSolver>

org.sat4j.pb.PBSolverDecorator

org.sat4j.pb.ConstraintRelaxingPseudoOptDecorator

All Implemented Interfaces:

Serializable, IPBSolver, IOptimizationProblem, IProblem, ISolver, RandomAccessModel

public class ConstraintRelaxingPseudoOptDecorator
extends PBSolverDecorator
implements IOptimizationProblem

Author:

lonca

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ConstraintRelaxingPseudoOptDecorator(IPBSolver solver)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	admitABetterSolution()
boolean	admitABetterSolution(IVecInt assumps)
Number	calculateObjective() Deprecated.
void	discard() Deprecated.
void	discardCurrentSolution()
void	forceObjectiveValueTo(Number forcedValue)
Number	getObjectiveValue()
boolean	hasNoObjectiveFunction()
boolean	isOptimal()
boolean	isSatisfiable()
boolean	isSatisfiable(boolean global)
boolean	isSatisfiable(IVecInt assumps)
boolean	isSatisfiable(IVecInt assumps, boolean global)
boolean	nonOptimalMeansSatisfiable()
void	setTimeoutForFindingBetterSolution(int seconds)
String	toString(String prefix)

Methods inherited from class org.sat4j.pb.PBSolverDecorator

addAtLeast, addAtLeast, addAtMost, addAtMost, addExactly, addExactly, addPseudoBoolean, getObjectiveFunction, setObjectiveFunction

Methods inherited from class org.sat4j.tools.SolverDecorator

addAllClauses, addAtLeast, addAtMost, addBlockingClause, addClause, addExactly, clearDecorated, clearLearntClauses, decorated, expireTimeout, findModel, findModel, getLogPrefix, getSearchListener, getSolvingEngine, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, isSolverKeptHot, isVerbose, model, model, modelWithInternalVariables, nConstraints, newVar, newVar, nextFreeVarId, nVars, primeImplicant, primeImplicant, printInfos, printInfos, printStat, printStat, printStat, realNumberOfVariables, registerLiteral, removeConstr, removeSubsumedConstr, reset, setDBSimplificationAllowed, setExpectedNumberOfClauses, setKeepSolverHot, setLogPrefix, setSearchListener, setTimeout, setTimeoutMs, setTimeoutOnConflicts, setUnitClauseProvider, setVerbose, toString, unsatExplanation

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.sat4j.specs.IProblem

findModel, findModel, model, nConstraints, newVar, nVars, primeImplicant, primeImplicant, printInfos, printInfos

Methods inherited from interface org.sat4j.specs.RandomAccessModel

model

Methods inherited from interface org.sat4j.specs.ISolver

addAllClauses, addAtLeast, addAtMost, addBlockingClause, addClause, addExactly, clearLearntClauses, expireTimeout, getLogPrefix, getSearchListener, getSolvingEngine, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, isSolverKeptHot, isVerbose, modelWithInternalVariables, newVar, nextFreeVarId, printStat, printStat, printStat, realNumberOfVariables, registerLiteral, removeConstr, removeSubsumedConstr, reset, setDBSimplificationAllowed, setExpectedNumberOfClauses, setKeepSolverHot, setLogPrefix, setSearchListener, setTimeout, setTimeoutMs, setTimeoutOnConflicts, setUnitClauseProvider, setVerbose, unsatExplanation

Constructor Detail

ConstraintRelaxingPseudoOptDecorator

public ConstraintRelaxingPseudoOptDecorator(IPBSolver solver)

Method Detail

isSatisfiable

public boolean isSatisfiable()
                      throws TimeoutException

Specified by:

isSatisfiable in interface IProblem

Overrides:

isSatisfiable in class SolverDecorator<IPBSolver>

Throws:

TimeoutException

isSatisfiable

public boolean isSatisfiable(boolean global)
                      throws TimeoutException

Specified by:

isSatisfiable in interface IProblem

Overrides:

isSatisfiable in class SolverDecorator<IPBSolver>

Throws:

TimeoutException

isSatisfiable

public boolean isSatisfiable(IVecInt assumps,
                    boolean global)
                      throws TimeoutException

Specified by:

isSatisfiable in interface IProblem

Overrides:

isSatisfiable in class SolverDecorator<IPBSolver>

Throws:

TimeoutException

isSatisfiable

public boolean isSatisfiable(IVecInt assumps)
                      throws TimeoutException

Specified by:

isSatisfiable in interface IProblem

Overrides:

isSatisfiable in class SolverDecorator<IPBSolver>

Throws:

TimeoutException

admitABetterSolution

public boolean admitABetterSolution()
                             throws TimeoutException

Specified by:

admitABetterSolution in interface IOptimizationProblem

Throws:

TimeoutException

admitABetterSolution

public boolean admitABetterSolution(IVecInt assumps)
                             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

@Deprecated
public Number calculateObjective()

Deprecated.

Specified by:

calculateObjective in interface IOptimizationProblem

getObjectiveValue

public Number getObjectiveValue()

Specified by:

getObjectiveValue in interface IOptimizationProblem

forceObjectiveValueTo

public void forceObjectiveValueTo(Number forcedValue)
                           throws ContradictionException

Specified by:

forceObjectiveValueTo in interface IOptimizationProblem

Throws:

ContradictionException

discard

@Deprecated
public void discard()

Deprecated.

Specified by:

discard in interface IOptimizationProblem

discardCurrentSolution

public void discardCurrentSolution()

Specified by:

discardCurrentSolution in interface IOptimizationProblem

isOptimal

public boolean isOptimal()

Specified by:

isOptimal in interface IOptimizationProblem

toString

public String toString(String prefix)

Specified by:

toString in interface ISolver

Overrides:

toString in class SolverDecorator<IPBSolver>

setTimeoutForFindingBetterSolution

public void setTimeoutForFindingBetterSolution(int seconds)

Specified by:

setTimeoutForFindingBetterSolution in interface IOptimizationProblem