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package hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.statecoder
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.DefinedElement
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.neighbourhood.AbstractNodeDescriptor
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.neighbourhood.NeighbourhoodOptions
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.neighbourhood.PairwiseNeighbourhoodRepresentation
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.neighbourhood.PartialInterpretation2ImmutableTypeLattice
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.neighbourhood.PartialInterpretation2PairwiseNeighbourhoodRepresentation
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PartialInterpretation
import java.util.ArrayList
import org.eclipse.viatra.query.runtime.api.IPatternMatch
class PairwiseNeighbourhoodBasedStateCoderFactory extends AbstractNeighbourhoodBasedStateCoderFactory {
new() {
}
new(NeighbourhoodOptions options) {
super(options)
}
override protected doCreateStateCoder(NeighbourhoodOptions options) {
new PairwiseNeighbourhoodBasedPartialInterpretationStateCoder(options)
}
}
class PairwiseNeighbourhoodBasedPartialInterpretationStateCoder extends AbstractNeighbourhoodBasedPartialInterpretationStateCoder {
val calculator = new PartialInterpretation2PairwiseNeighbourhoodRepresentation(
new PartialInterpretation2ImmutableTypeLattice)
var PairwiseNeighbourhoodRepresentation<? extends AbstractNodeDescriptor> representation
new(NeighbourhoodOptions options) {
super(options)
}
override protected isRefreshNeeded() {
representation === null
}
override protected doRefreshStateCodes(PartialInterpretation target, NeighbourhoodOptions options) {
representation = calculator.createRepresentation(target, options)
}
override protected doCreateActivationCode(IPatternMatch match) {
val size = match.specification.parameters.size
val res = new ArrayList(size * size)
for (var int i = 0; i < size; i++) {
val a = match.get(i)
for (var int j = 0; j < size; j++) {
val b = match.get(j)
res.add(getPairwiseRepresentation(a, b))
}
}
match.specification.fullyQualifiedName -> res.hashCode
}
private def getPairwiseRepresentation(Object a, Object b) {
if (b instanceof DefinedElement) {
if (a instanceof DefinedElement) {
representation.getPairwiseRepresentation(a, b)
} else {
representation.getBasicRepresentation(b)
}
} else {
getFallbackCode(b)
}
}
override protected doCreateStateCode() {
representation.modelRepresentation.hashCode
}
override protected doInvalidate() {
representation = null
}
}
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