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package hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PartialInterpretation
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PrimitiveElement
import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.optimization.AbstractThreeValuedObjective
import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.optimization.ObjectiveKind
import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.optimization.ObjectiveThreshold
import org.eclipse.viatra.dse.base.ThreadContext
class PunishSizeObjective extends AbstractThreeValuedObjective {
static val NAME = typeof(PunishSizeObjective).name
new(ObjectiveKind kind, int level) {
super(NAME, kind, ObjectiveThreshold.NO_THRESHOLD, level)
}
override createNew() {
new PunishSizeObjective(kind, level)
}
override init(ThreadContext context) {
// Nothing to initialize.
}
override getRawFitness(ThreadContext threadContext) {
val model = threadContext.model
if (model instanceof PartialInterpretation) {
val size = model.newObjectCount
// println('''size=«size»''')
size as double
} else {
throw new IllegalArgumentException("notifier must be a PartialInterpretation")
}
}
override getLowestPossibleFitness(ThreadContext threadContext) {
getRawFitness(threadContext)
}
override getHighestPossibleFitness(ThreadContext threadContext) {
val model = threadContext.model
if (model instanceof PartialInterpretation) {
(model.newObjectCount + model.maxNewElements) as double
} else {
throw new IllegalArgumentException("notifier must be a PartialInterpretation")
}
}
private def getNewObjectCount(PartialInterpretation interpretation) {
interpretation.newElements.reject[it instanceof PrimitiveElement].size
}
}
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