/*
* Copyright 2003-2016 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.lang.smodel;
import gnu.trove.TLongIntHashMap;
import jetbrains.mps.smodel.adapter.ids.MetaIdHelper;
import jetbrains.mps.smodel.adapter.ids.SConceptId;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
/**
* Index for concepts from the same language.
* @see LanguageConceptIndexBuilder
* @author Artem Tikhomirov
* @since 3.5
*/
public final class LanguageConceptIndex implements ConceptIndex {
private final TLongIntHashMap myIndex;
/*package*/ LanguageConceptIndex(TLongIntHashMap index) {
myIndex = index;
}
/**
* Internal API, intended for use from StructureAspectDescriptor.
*/
public int index(SConceptId cid) {
long key = cid.getIdValue();
return myIndex.containsKey(key) ? myIndex.get(key) : -1;
}
@Override
public int index(SAbstractConcept c, int missingValue) {
if (c == null) {
return missingValue;
}
long key = MetaIdHelper.getConcept(c).getIdValue();
if (myIndex.containsKey(key)) {
return myIndex.get(key);
}
return missingValue;
}
}