/*
* Copyright 2003-2015 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.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.module.SearchScope;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
public abstract class SearchType<T, R> {
private static final Logger LOG = LogManager.getLogger(SearchType.class);
public abstract Set<T> search(Set<R> elements, SearchScope scope, @NotNull ProgressMonitor monitor);
protected void showNoFastFindTipIfNeeded(Collection<SModel> noFastFindModels) {
if (!PersistenceRegistry.getInstance().isFastSearch()) {
return;
}
HashSet<SModel> notEmptyNoFastFindModels = new HashSet<>();
for (SModel m : noFastFindModels) {
if (m.getRootNodes().iterator().hasNext()) {
notEmptyNoFastFindModels.add(m);
}
}
if (notEmptyNoFastFindModels.isEmpty()) {
return;
}
int othersSize = notEmptyNoFastFindModels.size() - 1;
String others = othersSize == 0 ? "" : " and " + othersSize + " others";
LOG.warn("Fast usages search is not supported for model " + notEmptyNoFastFindModels.iterator().next().getName() + others + ". " +
"Usages search may be slow.");
}
}