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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.translator.typehierarchy;
import tools.refinery.store.reasoning.representation.PartialRelation;
import java.util.Collections;
import java.util.Objects;
import java.util.Set;
public final class InferredType {
public static final InferredType UNTYPED = new InferredType(Set.of(), Set.of(), null);
private final Set<PartialRelation> mustTypes;
private final Set<PartialRelation> mayConcreteTypes;
private final PartialRelation candidateType;
private final int hashCode;
public InferredType(Set<PartialRelation> mustTypes, Set<PartialRelation> mayConcreteTypes,
PartialRelation candidateType) {
this.mustTypes = Collections.unmodifiableSet(mustTypes);
this.mayConcreteTypes = Collections.unmodifiableSet(mayConcreteTypes);
this.candidateType = candidateType;
hashCode = Objects.hash(mustTypes, mayConcreteTypes, candidateType);
}
public boolean isConsistent() {
return candidateType != null || mustTypes.isEmpty();
}
public boolean isMust(PartialRelation partialRelation) {
return mustTypes.contains(partialRelation);
}
public boolean isMayConcrete(PartialRelation partialRelation) {
return mayConcreteTypes.contains(partialRelation);
}
public Set<PartialRelation> mustTypes() {
return mustTypes;
}
public Set<PartialRelation> mayConcreteTypes() {
return mayConcreteTypes;
}
public PartialRelation candidateType() {
return candidateType;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
InferredType that = (InferredType) o;
return Objects.equals(mustTypes, that.mustTypes) &&
Objects.equals(mayConcreteTypes, that.mayConcreteTypes) &&
Objects.equals(candidateType, that.candidateType);
}
@Override
public int hashCode() {
return hashCode;
}
@Override
public String toString() {
return "InferredType[" +
"mustTypes=" + mustTypes + ", " +
"mayConcreteTypes=" + mayConcreteTypes + ", " +
"candidateType=" + candidateType + ']';
}
}
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