cdmlib-persistence/src/main/java/eu/etaxonomy/cdm/persistence/dao/hibernate/HibernateBeanInitializer.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2009 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.cdm.persistence.dao.hibernate;
  11
  12 import org.apache.log4j.Logger;
  13 import org.hibernate.HibernateException;
  14 import org.hibernate.collection.spi.PersistentCollection;
  15 import org.hibernate.envers.entities.mapper.relation.lazy.proxy.CollectionProxy;
  16 import org.hibernate.envers.entities.mapper.relation.lazy.proxy.MapProxy;
  17 import org.hibernate.proxy.HibernateProxy;
  18
  19 import eu.etaxonomy.cdm.persistence.dao.AbstractBeanInitializer;
  20
  21 /**
  22  * @author a.kohlbecker
  23  * @date 25.03.2009
  24  *
  25  */
  26 //@Component("defaultBeanInitializer")
  27 public class HibernateBeanInitializer extends AbstractBeanInitializer{
  28
  29     public static final Logger logger = Logger.getLogger(HibernateBeanInitializer.class);
  30
  31     /* (non-Javadoc)
  32      * @see eu.etaxonomy.cdm.persistence.dao.AbstractBeanInitializer#initializeInstance(java.lang.Object)
  33      */
  34     @Override
  35     public Object initializeInstance(Object bean) {
  36         initialize(bean);
  37         return HibernateProxyHelperExtended.getProxyTarget(bean);
  38     }
  39
  40     public static void initialize(Object proxy) throws HibernateException {
  41         if ( proxy == null ) {
  42             return;
  43         }
  44         else if ( proxy instanceof HibernateProxy ) {
  45             ( ( HibernateProxy ) proxy ).getHibernateLazyInitializer().initialize();
  46         } else if ( proxy instanceof PersistentCollection ) {
  47             ( ( PersistentCollection ) proxy ).forceInitialization();
  48         } else if(proxy instanceof CollectionProxy) {
  49             ( ( CollectionProxy ) proxy ).isEmpty(); // checkInit is protected, unfortunately;
  50         } else if(proxy instanceof MapProxy) {
  51             ( ( MapProxy ) proxy ).isEmpty(); // checkInit is protected, unfortunately;
  52         }
  53     }
  54
  55 }