+package org.simantics.db.layer0;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.simantics.datatypes.literal.GUID;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.procedure.adapter.TransientCacheListener;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.Instances;
+import org.simantics.db.layer0.adapter.impl.EntityInstances.QueryIndex;
+import org.simantics.db.layer0.util.Layer0Utils;
+import org.simantics.layer0.Layer0;
+import org.simantics.scl.runtime.function.Function1;
+import org.simantics.utils.datastructures.Triple;
+
+public final class QueryIndexUtils {
+
+ public static List<Resource> searchByTypeShallow(ReadGraph graph, Resource model, Resource type) throws DatabaseException {
+ return graph.syncRequest(new QueryIndex(model, type, ""), TransientCacheListener.<List<Resource>>instance());
+ }
+
+ public static List<Resource> searchByType(ReadGraph graph, Resource model, Resource type) throws DatabaseException {
+ Instances query = graph.adapt(type, Instances.class);
+ return Layer0Utils.sortByCluster(graph, query.find(graph, model));
+ }
+
+ public static List<Resource> searchByGUID(ReadGraph graph, Resource indexRoot, GUID guid) throws DatabaseException {
+ return searchByGUID(graph, indexRoot, guid.indexString());
+ }
+
+ public static List<Resource> searchByGUID(ReadGraph graph, Resource indexRoot, String indexString) throws DatabaseException {
+ return searchByQueryShallow(graph, indexRoot, "GUID:" + indexString);
+ }
+
+ public static List<Resource> searchByQueryShallow(ReadGraph graph, Resource model, String query) throws DatabaseException {
+ return graph.syncRequest(new QueryIndex(model, Layer0.getInstance(graph).Entity, query), TransientCacheListener.<List<Resource>>instance());
+ }
+
+ public static List<Resource> searchByQuery(ReadGraph graph, Resource model, String query) throws DatabaseException {
+ Instances instances = graph.adapt(Layer0.getInstance(graph).Entity, Instances.class);
+ Collection<Resource> queryResult = instances.find(graph, model, query);
+ return Layer0Utils.sortByCluster(graph, queryResult);
+ }
+
+ public static List<Resource> searchByTypeAndFilter(ReadGraph graph, Resource model, Resource type, Function1<Resource,Boolean> filter) throws DatabaseException {
+ Instances query = graph.adapt(type, Instances.class);
+ ArrayList<Resource> result = new ArrayList<Resource>();
+ for(Resource r : query.find(graph, model)) {
+ if(filter.apply(r))
+ result.add(r);
+ }
+ return result;
+ }
+
+ public static List<Triple<Resource, Resource, String>> getIndexEntries(ReadGraph graph, Resource model, String filter) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ List<Resource> entries = searchByQuery(graph, model, filter);
+ List<Triple<Resource, Resource, String>> listOfTriples = new ArrayList<Triple<Resource,Resource,String>>();
+ for (Resource entry : entries) {
+ Resource type = graph.getPossibleObject(entry, L0.InstanceOf);
+ String name = NameUtils.getSafeName(graph, entry);
+ listOfTriples.add(new Triple<Resource, Resource, String>(entry, type, name));
+ }
+ return listOfTriples;
+ }
+
+ public static String listIndexEntries(ReadGraph graph, Resource model, String filter) throws DatabaseException {
+ List<Triple<Resource, Resource, String>> listOfTriples = getIndexEntries(graph, model, filter);
+ StringBuilder sb = new StringBuilder();
+ sb.append("== LISTING INDEX ENTRIES OF INDEX: " + NameUtils.getSafeName(graph, model) + ". AMOUNT OF ENTRIES: " + listOfTriples.size() + " ==\n");
+ for (Triple<Resource, Resource, String> entry : listOfTriples) {
+ String instanceOf = NameUtils.getSafeName(graph, entry.second);
+ sb.append("Name: " + entry.third + " instanceOf: " + instanceOf + " Resource: " + entry.first.toString() + "\n");
+ }
+ return sb.toString();
+ }
+
+ public static List<Resource> searchByTypeAndName(ReadGraph graph, Resource model, Resource type, String name) throws DatabaseException {
+ Instances query = graph.adapt(type, Instances.class);
+ ArrayList<Resource> result = new ArrayList<Resource>();
+ for(Resource r : query.findByName(graph, model, name)) {
+ if(graph.isInstanceOf(r, type))
+ result.add(r);
+ }
+ return result;
+ }
+
+ public static List<Resource> searchByTypeAndNameShallow(ReadGraph graph, Resource model, Resource type, String name) throws DatabaseException {
+ return graph.syncRequest(new QueryIndex(model, type, name), TransientCacheListener.<List<Resource>>instance());
+ }
+}