1 /* 2 * Copyright 2015 Data Archiving and Networked Services (an institute of 3 * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London, 4 * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts 5 * 6 * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by 7 * the European Commission - subsequent versions of the EUPL (the "Licence"); 8 * You may not use this work except in compliance with the Licence. 9 * You may obtain a copy of the Licence at: 10 * 11 * https://joinup.ec.europa.eu/software/page/eupl 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the Licence is distributed on an "AS IS" basis, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the Licence for the specific language governing 17 * permissions and limitations under the Licence. 18 */ 19 20 package eu.ehri.project.models.base; 21 22 import com.tinkerpop.frames.Property; 23 import eu.ehri.project.definitions.Ontology; 24 import eu.ehri.project.models.annotations.Mandatory; 25 26 /** 27 * Base interface for entities that have an identifier property (other than the 28 * internally assigned node ID). 29 */ 30 public interface Identifiable extends Entity { 31 32 @Mandatory 33 @Property(Ontology.IDENTIFIER_KEY) 34 String getIdentifier(); 35 }