/*
* 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.findUsages;
import jetbrains.mps.persistence.PersistenceRegistry;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import org.jetbrains.mps.openapi.util.SubProgressKind;
import jetbrains.mps.util.CollectConsumer;
import jetbrains.mps.util.IterableUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.module.SearchScope;
import org.jetbrains.mps.openapi.persistence.FindUsagesParticipant;
import org.jetbrains.mps.openapi.util.Consumer;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* evgeny, 3/5/13
*/
class ModelUsagesSearchType extends SearchType<SModel, SModelReference> {
ModelUsagesSearchType() {
}
@Override
public Set<SModel> search(Set<SModelReference> models, SearchScope scope, @NotNull ProgressMonitor monitor) {
CollectConsumer<SModel> consumer = new CollectConsumer(new HashSet<SModel>());
Collection<FindUsagesParticipant> participants = PersistenceRegistry.getInstance().getFindUsagesParticipants();
monitor.start("Finding model(s) usages...", participants.size() + 4);
try {
Collection<SModel> current = IterableUtil.asCollection(scope.getModels());
for (FindUsagesParticipant participant : participants) {
final Set<SModel> next = new HashSet<SModel>(current);
participant.findModelUsages(current, models, consumer, new Consumer<SModel>() {
@Override
public void consume(SModel sModel) {
next.remove(sModel);
}
});
current = next;
monitor.advance(1);
}
ProgressMonitor subMonitor = monitor.subTask(4, SubProgressKind.DEFAULT);
subMonitor.start("", current.size());
for (SModel m : current) {
subMonitor.step(m.getModelName());
if (FindUsagesUtil.hasModelUsages(m, models)) {
consumer.consume(m);
}
if (monitor.isCanceled()) break;
subMonitor.advance(1);
}
subMonitor.done();
} finally {
monitor.done();
}
return (Set<SModel>) consumer.getResult();
}
}