1 /*******************************************************************************
2 * Copyright (c) 2007, 2013 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.objmap.backward;
14 import org.simantics.db.WriteGraph;
15 import org.simantics.objmap.exceptions.MappingException;
17 public interface IBackwardMappingRule<Domain, Range> {
19 * Modifies the domain element so that it corresponds to the range element.
20 * @param g write transaction
21 * @param map unidirectional view of the current mapping
22 * @param domainElement the domain element that is updated
23 * @param rangeElement the range element that corresponds to the domain element
24 * @return true if the rule made some modifications
25 * @throws MappingException
27 boolean updateDomain(WriteGraph graph, IBackwardMapping<Domain, Range> mapping, Domain domainElement, Range rangeElement) throws MappingException;
28 void createDomain(WriteGraph graph, IBackwardMapping<Domain, Range> mapping, Domain domainElement, Range rangeElement) throws MappingException;