/*
* Copyright 2003-2012 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 jetbrains.mps.project.structure.GeneratorDescriptorModelProvider;
import jetbrains.mps.project.structure.LanguageDescriptorModelProvider.LanguageModelDescriptor;
import org.jetbrains.mps.openapi.model.EditableSModel;
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.SNode;
import org.jetbrains.mps.openapi.model.SReference;
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.LinkedHashSet;
import java.util.Set;
class UsagesSearchType extends SearchType<SReference, SNode> {
UsagesSearchType() {
}
@Override
public Set<SReference> search(Set<SNode> nodes, @NotNull SearchScope scope, @NotNull ProgressMonitor monitor) {
final HashSet<SReference> rv = new HashSet<SReference>();
CollectConsumer<SReference> consumer = new CollectConsumer<SReference>(rv);
Collection<FindUsagesParticipant> participants = PersistenceRegistry.getInstance().getFindUsagesParticipants();
monitor.start("Finding usages...", participants.size() + 4);
try {
Collection<SModel> current = new LinkedHashSet<SModel>();
Collection<SModel> simpleSearch = new LinkedHashSet<SModel>();
for (SModel m : IterableUtil.asCollection(scope.getModels())) {
if (m instanceof EditableSModel && ((EditableSModel) m).isChanged()) {
simpleSearch.add(m);
} else {
current.add(m);
}
}
for (FindUsagesParticipant participant : participants) {
final Set<SModel> next = new HashSet<SModel>(current);
participant.findUsages(current, nodes, consumer, new Consumer<SModel>() {
@Override
public void consume(SModel sModel) {
assert !(sModel instanceof EditableSModel && ((EditableSModel) sModel).isChanged());
next.remove(sModel);
}
});
current = next;
monitor.advance(1);
}
ProgressMonitor subMonitor = monitor.subTask(4, SubProgressKind.DEFAULT);
subMonitor.start("", current.size() + simpleSearch.size());
NodeUsageFinder nf = new NodeUsageFinder(nodes, consumer);
showNoFastFindTipIfNeeded(current);
current.addAll(simpleSearch);
for (SModel m : current) {
subMonitor.step(m.getModelName());
nf.collectUsages(m);
if (monitor.isCanceled()) {
break;
}
subMonitor.advance(1);
}
subMonitor.done();
} finally {
monitor.done();
}
return rv;
}
}