org.sat4j.pb

Class PBSolverHandle

java.lang.Object

org.sat4j.tools.SolverDecorator<IPBSolver>

org.sat4j.pb.PBSolverDecorator

org.sat4j.pb.PBSolverHandle

All Implemented Interfaces:

Serializable, IPBSolver, IOptimizationProblem, IProblem, ISolver, RandomAccessModel

public class PBSolverHandle
extends PBSolverDecorator
implements IOptimizationProblem

A PBSolverHandle is a PBSolverDecorator in which it is possible to change the decorated solver, in contrast with classical decorators.

Since:

2.3.6

Author:

leberre

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PBSolverHandle(IPBSolver solver)

Method Summary

Modifier and Type	Method and Description
boolean	admitABetterSolution()
boolean	admitABetterSolution(IVecInt assumps)
Number	calculateObjective()
void	changeDecorated(IPBSolver solver)
void	discard()
void	discardCurrentSolution()
void	forceObjectiveValueTo(Number forcedValue)
Number	getObjectiveValue()
boolean	hasNoObjectiveFunction()
boolean	isOptimal()
boolean	nonOptimalMeansSatisfiable()
void	setTimeoutForFindingBetterSolution(int seconds)

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, addConstr, addExactly, addParity, clearDecorated, clearLearntClauses, createBlockingClauseForCurrentModel, decorated, discardCurrentModel, expireTimeout, findModel, findModel, getLogPrefix, getOriginInModel, getSearchListener, getSolvingEngine, getStat, getTimeout, getTimeoutMs, isDBSimplificationAllowed, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, isSolverKeptHot, isVerbose, model, model, modelWithInternalVariables, nConstraints, newVar, newVar, nextFreeVarId, nVars, primeImplicant, primeImplicant, printInfos, printInfos, printStat, printStat, printStat, realNumberOfVariables, registerLiteral, removeConstr, removeSubsumedConstr, reset, setDBSimplificationAllowed, setDecorated, setExpectedNumberOfClauses, setKeepSolverHot, setLogPrefix, setSearchListener, setTimeout, setTimeoutMs, setTimeoutOnConflicts, setUnitClauseConsumer, setUnitClauseProvider, setVerbose, toString, 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, isSatisfiable, isSatisfiable, isSatisfiable, isSatisfiable, 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, addConstr, addExactly, addParity, clearLearntClauses, createBlockingClauseForCurrentModel, discardCurrentModel, expireTimeout, getLogPrefix, getOriginInModel, 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, setUnitClauseConsumer, setUnitClauseProvider, setVerbose, toString, unsatExplanation

Constructor Detail

PBSolverHandle

public PBSolverHandle(IPBSolver solver)

Method Detail

changeDecorated

public void changeDecorated(IPBSolver solver)

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

public Number calculateObjective()

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

public void discard()
             throws ContradictionException

Specified by:

discard in interface IOptimizationProblem

Throws:

ContradictionException

discardCurrentSolution

public void discardCurrentSolution()
                            throws ContradictionException

Specified by:

discardCurrentSolution in interface IOptimizationProblem

Throws:

ContradictionException

isOptimal

public boolean isOptimal()

Specified by:

isOptimal in interface IOptimizationProblem

setTimeoutForFindingBetterSolution

public void setTimeoutForFindingBetterSolution(int seconds)

Specified by:

setTimeoutForFindingBetterSolution in interface IOptimizationProblem