/*
* Copyright 2003-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.core.aspects.behaviour;
import jetbrains.mps.core.aspects.behaviour.api.BehaviorRegistry;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.annotations.Immutable;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* The cache of all concept hierarchy (including the concept itself)
*/
@Immutable
final class AncestorCache {
private final List<SAbstractConcept> myLinearization;
private final List<SAbstractConcept> myConstructorAncestors;
AncestorCache(@NotNull SAbstractConcept concept, BehaviorRegistry behaviorRegistry) {
myLinearization = behaviorRegistry.getMRO().linearize(concept);
myConstructorAncestors = calcConstructorAncestors();
}
private List<SAbstractConcept> calcConstructorAncestors() {
List<SAbstractConcept> constructorAncestors = new ArrayList<SAbstractConcept>(myLinearization);
Collections.reverse(constructorAncestors);
return Collections.unmodifiableList(constructorAncestors);
}
List<SAbstractConcept> getAncestorsConstructionOrder() {
return myConstructorAncestors;
}
List<SAbstractConcept> getAncestorsInvocationOrder() {
return Collections.unmodifiableList(myLinearization);
}
}