HibernateLightDaoSync.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.server.hibernate;
  17
  18 import java.util.ArrayList;
  19 import java.util.List;
  20
  21 import org.apache.commons.logging.Log;
  22 import org.apache.commons.logging.LogFactory;
  23 import org.argeo.server.dao.LightDaoSupport;
  24 import org.hibernate.Session;
  25 import org.hibernate.SessionFactory;
  26
  27 public class HibernateLightDaoSync {
  28         private final static Log log = LogFactory
  29                         .getLog(HibernateLightDaoSync.class);
  30
  31         private String externalSuffix = LightDaoInterceptor.DEFAULT_EXTERNAL_SUFFIX;
  32
  33         private SessionFactory sessionFactory;
  34
  35         private LightDaoSupport lightDaoSupport;
  36
  37         private List<Class<?>> classes = new ArrayList<Class<?>>();
  38
  39         public void sync() {
  40                 List<Class<?>> lst;
  41                 if (classes.size() > 0)
  42                         lst = classes;
  43                 else
  44                         lst = lightDaoSupport.getSupportedClasses();
  45
  46                 Session session = sessionFactory.getCurrentSession();
  47                 session.beginTransaction();
  48                 try {
  49                         for (Class<?> clss : lst) {
  50                                 String entityName = clss.getSimpleName() + externalSuffix;
  51                                 int count = 0;
  52                                 for (Object obj : lightDaoSupport.list(clss, null)) {
  53                                         session.save(entityName, obj);
  54                                         count++;
  55                                 }
  56                                 if (log.isDebugEnabled())
  57                                         log.debug("Synchronized " + count + "\tentities '"
  58                                                         + entityName + "'");
  59                         }
  60                         session.getTransaction().commit();
  61                 } catch (Exception e) {
  62                         session.getTransaction().rollback();
  63                 }
  64         }
  65
  66         public void setClasses(List<Class<?>> classes) {
  67                 this.classes = classes;
  68         }
  69
  70         public void setExternalSuffix(String externalSuffix) {
  71                 this.externalSuffix = externalSuffix;
  72         }
  73
  74         public void setSessionFactory(SessionFactory sessionFactory) {
  75                 this.sessionFactory = sessionFactory;
  76         }
  77
  78         public void setLightDaoSupport(LightDaoSupport lightDaoSupport) {
  79                 this.lightDaoSupport = lightDaoSupport;
  80         }
  81 }