git.mxchange.org Git - pizzaservice-ejb.git/blob

   1 /*
   2  * Copyright (C) 2015 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.pizzaapplication.beans.pizzaservice;
  18
  19 import java.io.IOException;
  20 import java.lang.reflect.InvocationTargetException;
  21 import java.sql.SQLException;
  22 import java.util.Deque;
  23 import javax.annotation.PostConstruct;
  24 import javax.ejb.Stateless;
  25 import javax.servlet.ServletException;
  26 import org.mxchange.jcore.exceptions.BadTokenException;
  27 import org.mxchange.jcore.exceptions.CorruptedDatabaseFileException;
  28 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
  29 import org.mxchange.jshop.beans.BaseFrameworkBean;
  30 import org.mxchange.jshop.beans.remote.shop.ShopSessionBeanRemote;
  31 import org.mxchange.jshop.category.Category;
  32 import org.mxchange.jshop.product.Product;
  33 import org.mxchange.pizzaapplication.application.PizzaApplication;
  34 import org.mxchange.pizzaapplication.application.PizzaServiceApplication;
  35
  36 /**
  37  * The session bean
  38  *
  39  * @author Roland Haeder
  40  */
  41 @Stateless (name="shop", mappedName = "ejb/stateless-shop")
  42 public class PizzaServiceSessionBean extends BaseFrameworkBean implements ShopSessionBeanRemote {
  43
  44         /**
  45          * Serial number
  46          */
  47         private static final long serialVersionUID = 578314942948L;
  48
  49         /**
  50          * Application instance
  51          */
  52         private final PizzaApplication app;
  53
  54         /**
  55          * Initializer block
  56          */
  57         {
  58                 // Get new application instance
  59                 this.getLogger().debug("INITIALIZER!"); //NOI18N
  60                 this.app = new PizzaServiceApplication();
  61         }
  62
  63         /**
  64          * Default constructor
  65          */
  66         public PizzaServiceSessionBean () {
  67                 this.getLogger().trace("CALLED!"); //NOI18N
  68         }
  69
  70         @PostConstruct
  71         public void init () throws RuntimeException {
  72                 // Trace message
  73                 this.getLogger().trace("CALLED!"); //NOI18N
  74
  75                 try {
  76                         // Call init method
  77                         this.app.init();
  78                 } catch (final UnsupportedDatabaseBackendException | SQLException | IOException | BadTokenException ex) {
  79                         // Continue to throw
  80                         throw new RuntimeException(ex);
  81                 }
  82         }
  83
  84         @Override
  85         public Deque<Product> getAvailableProducts () throws ServletException {
  86                 try {
  87                         return this.app.getAvailableProducts();
  88                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
  89                         // Continue to throw
  90                         throw new ServletException(ex);
  91                 }
  92         }
  93
  94         @Override
  95         public Deque<Product> getAllProducts () throws ServletException {
  96                 try {
  97                         return this.app.getAllProducts();
  98                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
  99                         // Continue to throw
 100                         throw new ServletException(ex);
 101                 }
 102         }
 103
 104         @Override
 105         public Deque<Category> getAllCategories () throws ServletException {
 106                 try {
 107                         return this.app.getAllCategories();
 108                 } catch (final IOException | BadTokenException | SQLException | CorruptedDatabaseFileException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
 109                         // Continue to throw
 110                         throw new ServletException(ex);
 111                 }
 112         }
 113 }