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package hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.ModelGenerationStatistics
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PartialInterpretation
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.Scope
class TypeHierarchyScopePropagator extends ScopePropagator {
new(PartialInterpretation p, ModelGenerationStatistics statistics) {
super(p, statistics)
}
protected override doPropagateAllScopeConstraints() {
var boolean hadChanged
do {
hadChanged = false
for (superScopeEntry : superScopes.entrySet) {
val sub = superScopeEntry.key
hadChanged = propagateLowerLimitUp(sub, partialInterpretation) || hadChanged
hadChanged = propagateUpperLimitDown(sub, partialInterpretation) || hadChanged
for (sup : superScopeEntry.value) {
hadChanged = propagateLowerLimitUp(sub, sup) || hadChanged
hadChanged = propagateUpperLimitDown(sub, sup) || hadChanged
}
}
} while (hadChanged)
}
private def propagateLowerLimitUp(Scope subScope, Scope superScope) {
var changed = false
if (subScope.minNewElements > superScope.minNewElements) {
superScope.minNewElements = subScope.minNewElements
changed = true
}
if (subScope.minNewElementsHeuristic > superScope.minNewElementsHeuristic) {
superScope.minNewElementsHeuristic = subScope.minNewElementsHeuristic
changed = true
}
changed
}
private def propagateUpperLimitDown(Scope subScope, Scope superScope) {
if (superScope.maxNewElements >= 0 &&
(superScope.maxNewElements < subScope.maxNewElements || subScope.maxNewElements < 0)) {
// println('''
// «(subScope.targetTypeInterpretation as PartialComplexTypeInterpretation).interpretationOf.name» -> «(superScope.targetTypeInterpretation as PartialComplexTypeInterpretation).interpretationOf.name»
// subScope.maxNewElements «subScope.maxNewElements» = superScope.maxNewElements «superScope.maxNewElements»
// ''')
subScope.maxNewElements = superScope.maxNewElements
return true
} else {
return false
}
}
private def propagateLowerLimitUp(Scope subScope, PartialInterpretation p) {
var changed = false
if (subScope.minNewElements > p.minNewElements) {
// println('''
// «(subScope.targetTypeInterpretation as PartialComplexTypeInterpretation).interpretationOf.name» -> nodes
// p.minNewElements «p.minNewElements» = subScope.minNewElements «subScope.minNewElements»
// ''')
p.minNewElements = subScope.minNewElements
changed = true
}
if (subScope.minNewElementsHeuristic > p.minNewElementsHeuristic) {
p.minNewElementsHeuristic = subScope.minNewElementsHeuristic
changed = true
}
changed
}
private def propagateUpperLimitDown(Scope subScope, PartialInterpretation p) {
if (p.maxNewElements >= 0 && (p.maxNewElements < subScope.maxNewElements || subScope.maxNewElements < 0)) {
// println('''
// «(subScope.targetTypeInterpretation as PartialComplexTypeInterpretation).interpretationOf.name» -> nodes
// subScope.maxNewElements «subScope.maxNewElements» = p.maxNewElements «p.maxNewElements»
// ''')
subScope.maxNewElements = p.maxNewElements
return true
} else {
return false
}
}
}
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