/*
* 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.smodel.ConceptDescendantsCache;
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.language.SAbstractConcept;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SearchScope;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
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 InstancesSearchType extends SearchType<SNode, SAbstractConcept> {
private final boolean myExact;
InstancesSearchType(boolean exact) {
myExact = exact;
}
@Override
public Set<SNode> search(Set<SAbstractConcept> elements, SearchScope scope, @NotNull ProgressMonitor monitor) {
assert !elements.contains(null);
CollectConsumer<SNode> consumer = new CollectConsumer<>(new HashSet<SNode>());
Collection<FindUsagesParticipant> participants = PersistenceFacade.getInstance().getFindUsagesParticipants();
monitor.start("Finding usages...", participants.size() + 5);
try {
Set<SAbstractConcept> queryConcepts = new HashSet<SAbstractConcept>(elements);
if (!myExact) {
for (SAbstractConcept concept : elements) {
for (SAbstractConcept descConcept : ConceptDescendantsCache.getInstance().getDescendants(concept)) {
queryConcepts.add(descConcept);
}
}
}
monitor.advance(1);
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.findInstances(current, queryConcepts, 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());
showNoFastFindTipIfNeeded(current);
current.addAll(simpleSearch);
for (SModel m : current) {
subMonitor.step(m.getModelName());
FindUsagesUtil.collectInstances(m, queryConcepts, consumer);
if (monitor.isCanceled()) {
break;
}
subMonitor.advance(1);
}
subMonitor.done();
} finally {
monitor.done();
}
return (Set<SNode>) consumer.getResult();
}
}