/*
* Copyright 2003-2011 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.components.CoreComponent;
import jetbrains.mps.progress.EmptyProgressMonitor;
import jetbrains.mps.util.annotation.ToRemove;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SReference;
import org.jetbrains.mps.openapi.module.FindUsagesFacade;
import org.jetbrains.mps.openapi.module.SearchScope;
import java.util.LinkedHashSet;
import java.util.Set;
public class FindUsagesManager extends FindUsagesFacade implements CoreComponent {
public static FindUsagesManager getInstance() {
return (FindUsagesManager) INSTANCE;
}
@Override
public Set<SReference> findUsages(@NotNull SearchScope scope, Set<SNode> nodes, ProgressMonitor monitor) {
return findUsages(nodes, new UsagesSearchType(), scope, monitor);
}
@Override
public Set<SNode> findInstances(@NotNull SearchScope scope, Set<? extends SAbstractConcept> concepts, boolean exact, ProgressMonitor monitor) {
return findUsages(concepts, new InstancesSearchType(exact), scope, monitor);
}
@Override
public Set<SModel> findModelUsages(@NotNull SearchScope scope, Set<SModelReference> modelReferences, ProgressMonitor monitor) {
return findUsages(modelReferences, new ModelUsagesSearchType(), scope, monitor);
}
private <T, R> Set<T> findUsages(Set<? extends R> elements, SearchType<T, R> type, SearchScope scope, @Nullable ProgressMonitor monitor) {
if (monitor == null) monitor = new EmptyProgressMonitor();
return type.search(new LinkedHashSet<R>(elements), scope, monitor);
}
@Override
public void init() {
if (INSTANCE != null) {
throw new IllegalStateException("double initialization");
}
INSTANCE = this;
}
@Override
public void dispose() {
INSTANCE = null;
}
}