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package hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse
import java.util.ArrayList
import java.util.Collection
import java.util.Comparator
import java.util.List
import org.eclipse.viatra.dse.base.ThreadContext
import org.eclipse.viatra.dse.objectives.Comparators
import org.eclipse.viatra.dse.objectives.IObjective
import org.eclipse.viatra.query.runtime.api.IPatternMatch
import org.eclipse.viatra.query.runtime.api.IQuerySpecification
import org.eclipse.viatra.query.runtime.api.ViatraQueryMatcher
class UnfinishedWFObjective implements IObjective {
Collection<? extends IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> unfinishedWFs
val List<ViatraQueryMatcher<?>> matchers
new(
Collection<? extends IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> unfinishedWFs) {
this.unfinishedWFs = unfinishedWFs
matchers = new ArrayList(unfinishedWFs.size)
}
override getName() '''unfinishedWFs'''
override createNew() {
return new UnfinishedWFObjective(unfinishedWFs)
}
override init(ThreadContext context) {
val engine = context.queryEngine // ViatraQueryEngine.on(new EMFScope(context.model))
for (unfinishedWF : unfinishedWFs) {
matchers += unfinishedWF.getMatcher(engine)
}
}
override getComparator() { Comparators.LOWER_IS_BETTER }
override getFitness(ThreadContext context) {
// //MEGA ASSUMPTION Below TODO
// //if has no unfilled variables, return 0
// val model = context.getModel as PartialInterpretation
// val unfilledDataObjects = model.newElements.filter(PrimitiveElement).filter[!model.openWorldElements.contains(it)].filter[!it.isValueSet].toList
// if (unfilledDataObjects.isEmpty) return 0.0
var sumOfMatches = 0
for (matcher : matchers) {
val number = matcher.countMatches
// if (number > 0) {
// println('''«matcher.patternName» = «number»''')
// }
sumOfMatches += number
}
return sumOfMatches.doubleValue
}
override getLevel() { 2 }
override isHardObjective() { true }
override satisifiesHardObjective(Double fitness) { return fitness <= 0.01 }
override setComparator(Comparator<Double> comparator) {
throw new UnsupportedOperationException()
}
override setLevel(int level) {
throw new UnsupportedOperationException()
}
}
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