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package hu.bme.mit.inf.dslreasoner.run
import hu.bme.mit.inf.dslreasoner.ecore2logic.Ecore2Logic
import hu.bme.mit.inf.dslreasoner.ecore2logic.Ecore2Logic_Trace
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.Modality
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.LinearTypeExpressionBuilderFactory
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns.PatternGenerator
class SatelliteHint extends Ecore2LogicTraceBasedHint {
static val INTERFEROMETY_PAYLOAD = "hint_interferometryPayload"
static val REMAINING_CONTENTS_KA_COMM_SUBSYSTEM = "hint_kaCommSubsystem"
static val HINT_SPACECRAFT_UHF_POSSIBLE_LINK = "hint_spacecraftWithUhfPossibleLink"
static val HINT_SPACECRAFT_UHF_ONLY_NO_LINK = "hint_spacecraftUhfOnlyNoLink"
new(Ecore2Logic ecore2Logic, Ecore2Logic_Trace trace) {
super(ecore2Logic, trace)
}
override getAdditionalPatterns(PatternGenerator it) '''
pattern «INTERFEROMETY_PAYLOAD»(problem:LogicProblem, interpretation:PartialInterpretation, object:DefinedElement) {
find interpretation(problem, interpretation);
find mustExist(problem, interpretation, object);
«typeIndexer.referInstanceOf("InterferometryPayload".type, Modality.MUST, "object")»
}
private pattern «REMAINING_CONTENTS_KA_COMM_SUBSYSTEM»_helper(problem:LogicProblem, interpretation:PartialInterpretation, object:DefinedElement, remainingContents:java Integer) {
find remainingContents_commSubsystem_reference_CommunicatingElement_helper(problem, interpretation, object, remainingContents);
«typeIndexer.referInstanceOf("SmallSat".type, Modality.MUST, "object")»
}
pattern «REMAINING_CONTENTS_KA_COMM_SUBSYSTEM»(problem:LogicProblem, interpretation:PartialInterpretation, remainingContents:java Integer) {
find interpretation(problem, interpretation);
remainingContents == sum find «REMAINING_CONTENTS_KA_COMM_SUBSYSTEM»_helper(problem, interpretation, _, #_);
}
private pattern hint_spacecraftNotUhfOnly(problem:LogicProblem, interpretation:PartialInterpretation, spacecraft:DefinedElement) {
find interpretation(problem, interpretation);
find mustExist(problem, interpretation, spacecraft);
«typeIndexer.referInstanceOf("Spacecraft".type, Modality.MUST, "spacecraft")»
«relationDeclarationIndexer.referRelation("CommunicatingElement".relation("commSubsystem"), "spacecraft", "comm", Modality.MAY)»
neg «typeIndexer.referInstanceOf("UHFCommSubsystem".type, Modality.MUST, "comm")»
}
private pattern hint_spacecraftWithUhf(problem:LogicProblem, interpretation:PartialInterpretation, spacecraft:DefinedElement) {
find interpretation(problem, interpretation);
find mustExist(problem, interpretation, spacecraft);
«typeIndexer.referInstanceOf("Spacecraft".type, Modality.MUST, "spacecraft")»
«relationDeclarationIndexer.referRelation("CommunicatingElement".relation("commSubsystem"), "spacecraft", "comm", Modality.MUST)»
«typeIndexer.referInstanceOf("UHFCommSubsystem".type, Modality.MUST, "comm")»
}
pattern «HINT_SPACECRAFT_UHF_POSSIBLE_LINK»(problem:LogicProblem, interpretation:PartialInterpretation) {
find hint_spacecraftWithUhf(problem, interpretation, spacecraft);
find hint_spacecraftNotUhfOnly(problem, interpretation, spacecraft);
}
pattern «HINT_SPACECRAFT_UHF_ONLY_NO_LINK»(problem:LogicProblem, interpretation:PartialInterpretation) {
find interpretation(problem, interpretation);
find mustExist(problem, interpretation, spacecraft);
«typeIndexer.referInstanceOf("Spacecraft".type, Modality.MUST, "spacecraft")»
neg find hint_spacecraftNotUhfOnly(problem, interpretation, spacecraft);
find currentInRelation_pattern_hu_bme_mit_inf_dslreasoner_domains_satellite_queries_noLinkToGroundStation(problem, interpretation, spacecraft);
}
'''
override createConstraintUpdater(LinearTypeExpressionBuilderFactory it) {
val interferometryPayloadCount = createBuilder.add(1, "InterferometryPayload".type).build
val kaCommSubsystemWithoutSmallSatCount = createBuilder.add(1, "KaCommSubsystem".type).add(-2, "SmallSat".type).
build
val uhfCommSubsystemCount = createBuilder.add(1, "UHFCommSubsystem".type).build
val interferometryPayloadMatcher = createMatcher(INTERFEROMETY_PAYLOAD)
val kaCommSubsystemRemainingContentsMatcher = createMatcher(REMAINING_CONTENTS_KA_COMM_SUBSYSTEM)
val uhfPossibleLinkMatcher = createMatcher(HINT_SPACECRAFT_UHF_POSSIBLE_LINK)
val uhfNoLinkMatcher = createMatcher(HINT_SPACECRAFT_UHF_ONLY_NO_LINK)
return [ p |
interferometryPayloadCount.tightenLowerBound(2 - interferometryPayloadMatcher.countMatches(p))
kaCommSubsystemWithoutSmallSatCount.tightenUpperBound(kaCommSubsystemRemainingContentsMatcher.getCount(p))
if (uhfPossibleLinkMatcher.countMatches(p) == 0 && uhfNoLinkMatcher.countMatches(p) >= 1) {
uhfCommSubsystemCount.tightenLowerBound(1)
}
]
}
}
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