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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.translator;
import org.jetbrains.annotations.Nullable;
import tools.refinery.store.dse.transition.DesignSpaceExplorationBuilder;
import tools.refinery.store.dse.transition.Rule;
import tools.refinery.store.dse.transition.objectives.Criterion;
import tools.refinery.store.dse.transition.objectives.Objective;
import tools.refinery.store.model.ModelStoreBuilder;
import tools.refinery.store.reasoning.ReasoningBuilder;
import tools.refinery.store.reasoning.interpretation.PartialInterpretation;
import tools.refinery.store.reasoning.refinement.PartialInterpretationRefiner;
import tools.refinery.store.reasoning.refinement.PartialModelInitializer;
import tools.refinery.store.reasoning.refinement.StorageRefiner;
import tools.refinery.store.reasoning.representation.PartialSymbol;
import tools.refinery.store.reasoning.seed.SeedInitializer;
import tools.refinery.store.representation.AnySymbol;
import tools.refinery.store.representation.Symbol;
import java.util.ArrayList;
import java.util.List;
@SuppressWarnings("UnusedReturnValue")
public abstract sealed class PartialSymbolTranslator<A, C> implements AnyPartialSymbolTranslator
permits PartialRelationTranslator {
private final PartialSymbol<A, C> partialSymbol;
private boolean configured = false;
protected PartialInterpretationRefiner.Factory<A, C> interpretationRefiner;
protected AnySymbol storageSymbol;
protected StorageRefiner.Factory<?> storageRefiner;
protected PartialInterpretation.Factory<A, C> interpretationFactory;
protected PartialModelInitializer initializer;
protected List<Rule> decisionRules = new ArrayList<>();
protected boolean acceptWasSet;
protected @Nullable Criterion accept;
protected boolean excludeWasSet;
protected @Nullable Criterion exclude;
protected boolean objectiveWasSet;
protected @Nullable Objective objective;
PartialSymbolTranslator(PartialSymbol<A, C> partialSymbol) {
this.partialSymbol = partialSymbol;
}
@Override
public PartialSymbol<A, C> getPartialSymbol() {
return partialSymbol;
}
@Override
public void apply(ModelStoreBuilder storeBuilder) {
storeBuilder.getAdapter(ReasoningBuilder.class).partialSymbol(this);
}
public boolean isConfigured() {
return configured;
}
protected void checkConfigured() {
if (!configured) {
throw new IllegalStateException("Partial symbol was not configured");
}
}
protected void checkNotConfigured() {
if (configured) {
throw new IllegalStateException("Partial symbol was already configured");
}
}
public PartialSymbolTranslator<A, C> symbol(AnySymbol storageSymbol) {
return symbol((Symbol<?>) storageSymbol, null);
}
public <T> PartialSymbolTranslator<A, C> symbol(Symbol<T> storageSymbol,
StorageRefiner.Factory<T> storageRefiner) {
checkNotConfigured();
if (this.storageSymbol != null) {
throw new IllegalStateException("Representation symbol was already set");
}
this.storageSymbol = storageSymbol;
this.storageRefiner = storageRefiner;
return this;
}
public PartialSymbolTranslator<A, C> interpretation(PartialInterpretation.Factory<A, C> interpretationFactory) {
checkNotConfigured();
if (this.interpretationFactory != null) {
throw new IllegalStateException("Interpretation factory was already set");
}
this.interpretationFactory = interpretationFactory;
return this;
}
public PartialSymbolTranslator<A, C> refiner(PartialInterpretationRefiner.Factory<A, C> interpretationRefiner) {
checkNotConfigured();
if (this.interpretationRefiner != null) {
throw new IllegalStateException("Interpretation refiner was already set");
}
this.interpretationRefiner = interpretationRefiner;
return this;
}
public PartialSymbolTranslator<A, C> initializer(PartialModelInitializer initializer) {
checkNotConfigured();
if (this.initializer != null) {
throw new IllegalStateException("Initializer was already set");
}
this.initializer = initializer;
return this;
}
public PartialSymbolTranslator<A, C> decision(Rule decisionRule) {
decisionRules.add(decisionRule);
return this;
}
public PartialSymbolTranslator<A, C> accept(@Nullable Criterion acceptanceCriterion) {
if (acceptWasSet) {
throw new IllegalStateException("Accept was already set");
}
this.accept = acceptanceCriterion;
acceptWasSet = true;
return this;
}
public PartialSymbolTranslator<A, C> exclude(@Nullable Criterion exclusionCriterion) {
if (excludeWasSet) {
throw new IllegalStateException("Exclude was already set");
}
this.exclude = exclusionCriterion;
excludeWasSet = true;
return this;
}
public PartialSymbolTranslator<A, C> objective(Objective objective) {
if (objectiveWasSet) {
throw new IllegalStateException("Objective was already set");
}
this.objective = objective;
objectiveWasSet = true;
return this;
}
@Override
public void configure(ModelStoreBuilder storeBuilder) {
checkNotConfigured();
doConfigure(storeBuilder);
configured = true;
}
protected void doConfigure(ModelStoreBuilder storeBuilder) {
if (interpretationFactory == null) {
throw new IllegalArgumentException("Interpretation factory must be set");
}
var reasoningBuilder = storeBuilder.getAdapter(ReasoningBuilder.class);
if (storageSymbol != null) {
storeBuilder.symbol(storageSymbol);
if (storageRefiner != null) {
registerStorageRefiner(reasoningBuilder, storageRefiner);
}
}
createFallbackInitializer();
if (initializer != null) {
reasoningBuilder.initializer(initializer);
}
storeBuilder.tryGetAdapter(DesignSpaceExplorationBuilder.class).ifPresent(dseBuilder -> {
dseBuilder.transformations(decisionRules);
if (accept != null) {
dseBuilder.accept(accept);
}
if (exclude != null) {
dseBuilder.exclude(exclude);
}
});
if (objective != null) {
reasoningBuilder.objective(objective);
}
}
private <T> void registerStorageRefiner(ReasoningBuilder reasoningBuilder, StorageRefiner.Factory<T> factory) {
// The builder only allows setting a well-typed representation refiner.
@SuppressWarnings("unchecked")
var typedStorageSymbol = (Symbol<T>) storageSymbol;
reasoningBuilder.storageRefiner(typedStorageSymbol, factory);
}
private void createFallbackInitializer() {
if (initializer == null &&
storageSymbol != null &&
storageSymbol.valueType().equals(partialSymbol.abstractDomain().abstractType())) {
// The guard clause makes this safe.
@SuppressWarnings("unchecked")
var typedStorageSymbol = (Symbol<A>) storageSymbol;
initializer = new SeedInitializer<>(typedStorageSymbol, partialSymbol);
}
}
public PartialInterpretation.Factory<A, C> getInterpretationFactory() {
checkConfigured();
return interpretationFactory;
}
public PartialInterpretationRefiner.Factory<A, C> getInterpretationRefiner() {
checkConfigured();
return interpretationRefiner;
}
}
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