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.annotations; 21 22 import java.lang.annotation.ElementType; 23 import java.lang.annotation.Retention; 24 import java.lang.annotation.RetentionPolicy; 25 import java.lang.annotation.Target; 26 27 @Retention(RetentionPolicy.RUNTIME) 28 @Target(ElementType.METHOD) 29 /** 30 * 31 * <pre> 32 * public class MyEntity { 33 * &064;Unique 34 * &064;Property("indentifier") 35 * public String getIdentifier(); 36 * } 37 * </pre> 38 * 39 * Indicates that a property must be unique in its index. 40 */ 41 public @interface Unique { 42 43 }