1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.indexing;
14 import org.eclipse.core.runtime.IProgressMonitor;
15 import org.simantics.db.RequestProcessor;
16 import org.simantics.db.Resource;
17 import org.simantics.db.Session;
20 * @author Tuukka Lehtonen
21 * @author Antti Villberg
23 public class ImmutableIndexedRelationsSearcher extends IndexedRelationsSearcherBase {
25 ImmutableIndexedRelationsSearcher(RequestProcessor session, Resource relation, Resource input) {
26 super(session, relation, input);
30 String getDescriptor() {
35 Throwable bestEffortClear(IProgressMonitor monitor, Session session) {
36 return new IllegalStateException("Immutable index cannot be cleared");