/*
* Copyright 2003-2013 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.idea.java.psi.impl;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.CollectConsumer;
import com.intellij.util.Consumer;
import com.intellij.util.indexing.FileBasedIndex;
import jetbrains.mps.ide.project.ProjectHelper;
import jetbrains.mps.idea.java.index.ForeignIdReferenceIndex;
import jetbrains.mps.idea.java.psi.ForeignIdReferenceCache;
import jetbrains.mps.util.Pair;
import jetbrains.mps.workbench.goTo.index.SNodeDescriptor;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SReference;
import org.jetbrains.mps.openapi.module.SRepository;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* User: fyodor
* Date: 4/8/13
*/
public class ForeignIdReferenceCacheImpl extends ForeignIdReferenceCache {
@Override
public Iterable<SReference> getReferencesMatchingPrefix(final String prefix, final GlobalSearchScope scope) {
CollectConsumer<SReference> consumer = new CollectConsumer<SReference>(new ArrayList<SReference>());
findReferencesMatching(prefix, consumer, scope);
return consumer.getResult();
}
private void findReferencesMatching(String prefix, Consumer<SReference> consumer, GlobalSearchScope scope) {
final FileBasedIndex fileBasedIndex = FileBasedIndex.getInstance();
List<Collection<Pair<SNodeDescriptor, String>>> values = fileBasedIndex.getValues(ForeignIdReferenceIndex.ID, prefix, scope);
collectReferences(consumer, values, ProjectHelper.getProjectRepository(scope.getProject()));
}
private void collectReferences(final Consumer<SReference> consumer, final List<Collection<Pair<SNodeDescriptor, String>>> values, final SRepository repository) {
repository.getModelAccess().runReadAction(new Runnable() {
@Override
public void run() {
for (Collection<Pair<SNodeDescriptor, String>> value : values) {
for (Pair<SNodeDescriptor, String> pair : value) {
SNode node = pair.o1.getNodeReference().resolve(repository);
if (node == null) continue;
SReference sref = node.getReference(pair.o2);
if (sref == null) continue;
consumer.consume(sref);
}
}
}
});
}
}