1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.db.service;
\r
14 import org.simantics.db.Resource;
\r
15 import org.simantics.db.exception.DatabaseException;
\r
16 import org.simantics.db.exception.ResourceNotFoundException;
\r
20 * @author Antti Villberg
\r
22 public interface ClusteringSupport {
\r
25 * TODO: specify thread-safety
\r
27 * @return id of new cluster
\r
29 long createCluster();
\r
31 long getCluster(Resource r);
\r
33 int getNumberOfResources(long clusterId) throws DatabaseException;
\r
35 Resource getResourceByKey(int resourceKey) throws ResourceNotFoundException;
\r
37 Resource getResourceByIndexAndCluster(int resourceIndex, long clusterId)
\r
38 throws DatabaseException, ResourceNotFoundException;
\r
43 boolean isClusterSet(Resource r) throws DatabaseException;
\r
44 Resource getClusterSetOfCluster(Resource r) throws DatabaseException;
\r
45 Resource getClusterSetOfCluster(long cluster) throws DatabaseException;
\r
47 //Id getModifiedId(long clusterId) throws DatabaseException;
\r