1 /* 2 * Copyright (c) 2002-2022, City of Paris 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice 10 * and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice 13 * and the following disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its 17 * contributors may be used to endorse or promote products derived from 18 * this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * License 1.0 33 */ 34 package fr.paris.lutece.portal.service.jpa; 35 36 import fr.paris.lutece.portal.service.plugin.Plugin; 37 import fr.paris.lutece.portal.service.plugin.PluginService; 38 import fr.paris.lutece.portal.service.spring.SpringContextService; 39 import fr.paris.lutece.util.jpa.JPAGenericDAO; 40 41 import javax.persistence.EntityManagerFactory; 42 import javax.persistence.Query; 43 44 /** 45 * Generic JPA DAO for Lutece components 46 * 47 * @param <K> 48 * Type of the entity's key 49 * @param <E> 50 * Type of the entity 51 */ 52 public abstract class JPALuteceDAO<K, E> extends JPAGenericDAO<K, E> 53 { 54 private static final String BEAN_ENTITY_MANAGER_SERVICE = "entityManagerService"; 55 private static final String DEFAULT_PERSISTENCE_UNIT = "portal"; 56 57 /** 58 * Gets the plugin name. Override this method to define the plugin associated to this DAO 59 * 60 * @return The plugin name 61 */ 62 public abstract String getPluginName( ); 63 64 /** 65 * Gets the entity manager to use with this DAO 66 * 67 * @return The appropriate entity manager delivered by the EntityManagerService 68 */ 69 public EntityManagerFactory getEntityManagerFactory( ) 70 { 71 String strPersistenceUnit = DEFAULT_PERSISTENCE_UNIT; 72 Plugin plugin = PluginService.getPlugin( getPluginName( ) ); 73 74 if ( plugin != null ) 75 { 76 strPersistenceUnit = plugin.getDbPoolName( ); 77 } 78 79 EntityManagerService ems = SpringContextService.getBean( BEAN_ENTITY_MANAGER_SERVICE ); 80 81 return ems.getEntityManagerFactory( strPersistenceUnit ); 82 } 83 84 /** 85 * 86 * @param strSQL 87 * The SQL query 88 * @return query 89 */ 90 protected Query createNativeQuery( String strSQL ) 91 { 92 return getEM( ).createNativeQuery( strSQL ); 93 } 94 }