wamblee.org Git - photos/blob - src/main/java/org/wamblee/photos/model/plumbing/Initializer.java

   1 /*
   2  * Copyright 2005-2013 the original author or authors.
   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.wamblee.photos.model.plumbing;
  17
  18 import java.util.logging.Logger;
  19
  20 import javax.annotation.PostConstruct;
  21 import javax.ejb.Singleton;
  22 import javax.ejb.Startup;
  23 import javax.inject.Inject;
  24
  25 import org.wamblee.inject.InjectorBuilder;
  26 import org.wamblee.photos.model.Album;
  27 import org.wamblee.security.authentication.UserAdministration;
  28 import org.wamblee.security.authorization.AuthorizationService;
  29
  30 /**
  31  * @author Erik Brakkee
  32  *
  33  */
  34 @Singleton
  35 @Startup
  36 public class Initializer {
  37
  38         private static final Logger LOGGER = Logger.getLogger(Initializer.class
  39                         .getName());
  40
  41         /**
  42          * We need this helper to do initialization of the beans from within the
  43          * post construct method. Injecting these objects into the initializer class
  44          * will lead to initialization outside of a transactional context and this
  45          * is does not work because and entity manager is required.
  46          *
  47          * @author Erik Brakkee
  48          *
  49          */
  50         public static class Helper {
  51                 @Inject
  52                 private UserAdministration userAdmin;
  53
  54                 @Inject
  55                 private AuthorizationService authorizationService;
  56
  57                 @Inject
  58                 @AllPhotos
  59                 private Album album;
  60
  61                 public void init() {
  62                         userAdmin.getUserCount();
  63                         album.size();
  64                         authorizationService.getRules();
  65                 }
  66         }
  67
  68         @PostConstruct
  69         public void scheduleInit() {
  70                 LOGGER.info("Photo application initializing");
  71                 // timerService.createTimer(1000, 1000, null);
  72                 LOGGER.info("Initializing photo application");
  73                 Helper helper = new Helper();
  74                 InjectorBuilder.getInjector().inject(helper);
  75                 helper.init();
  76                 LOGGER.info("Initialized photo application");
  77         }
  78 }