package org.simantics.db.indexing;
+import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import org.apache.lucene.util.NumericUtils;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.SubMonitor;
import org.simantics.databoard.Bindings;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.common.procedure.adapter.TransientCacheListener;
import org.simantics.db.common.request.ObjectsWithType;
import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.indexing.exception.IndexCorruptedException;
import org.simantics.db.layer0.genericrelation.IndexQueries;
+import org.simantics.db.layer0.genericrelation.IndexedRelations;
import org.simantics.db.layer0.util.Layer0Utils;
import org.simantics.db.service.CollectionSupport;
import org.simantics.layer0.Layer0;
import org.simantics.operation.Layer0X;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class IndexUtils {
+ private static final Logger LOGGER = LoggerFactory.getLogger(IndexUtils.class);
+
public static Collection<Map<String, Object>> find(ReadGraph graph, Resource index, String filter) throws DatabaseException {
Collection<Map<String, Object>> indexResult = graph.syncRequest(new QueryIndex(index, filter), TransientCacheListener.<Collection<Map<String, Object>>>instance());
mem.flush(progress);
IndexedRelationsSearcher searcher = mem.get(session, L0X.DependenciesRelation, indexRoot);
- return searcher.doList(progress, session);
-
+ List<Object> results;
+ try {
+ results = searcher.doList(progress, session);
+ } catch (IndexCorruptedException e) {
+ LOGGER.error("Index is corrupted for indexRoot {}", indexRoot, e);
+ rebuild(session, progress);
+ // if this fails then no can do
+ searcher = mem.get(session, L0X.DependenciesRelation, indexRoot);
+ results = searcher.doList(progress, session);
+ }
+ return results;
}
+ private static void rebuild(Session session, IProgressMonitor monitor) throws Exception {
+ LOGGER.error("Trying to rebuild index");
+ DatabaseIndexing.deleteAllIndexes();
+ session.getService(IndexedRelations.class).fullRebuild(SubMonitor.convert(monitor, 100), session);
+ }
+
public static Term longTerm(String key, Long value) {
BytesRef ref = new BytesRef();
NumericUtils.longToPrefixCoded( value, 0, ref );