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.jshop.beans.BaseFrameworkBean;
  27 import org.mxchange.jshop.beans.remote.shop.ShopSessionBeanRemote;
  28 import org.mxchange.jshop.model.category.Category;
  29 import org.mxchange.jshop.model.product.Product;
  30 import org.mxchange.pizzaapplication.application.PizzaApplication;
  31 import org.mxchange.pizzaapplication.application.PizzaServiceApplication;
  32
  33 /**
  34  * The session bean
  35  *
  36  * @author Roland Haeder
  37  */
  38 @Stateless (name="shop", mappedName = "ejb/stateless-shop")
  39 public class PizzaServiceSessionBean extends BaseFrameworkBean implements ShopSessionBeanRemote {
  40
  41         /**
  42          * Serial number
  43          */
  44         private static final long serialVersionUID = 578314942948L;
  45
  46         /**
  47          * Application instance
  48          */
  49         private final PizzaApplication app;
  50
  51         /**
  52          * Initializer block
  53          */
  54         {
  55                 // Get new application instance
  56                 this.getLogger().debug("INITIALIZER!"); //NOI18N
  57                 this.app = new PizzaServiceApplication();
  58         }
  59
  60         /**
  61          * Default constructor
  62          */
  63         public PizzaServiceSessionBean () {
  64                 this.getLogger().trace("CALLED!"); //NOI18N
  65         }
  66
  67         @PostConstruct
  68         public void init () throws RuntimeException {
  69                 // Trace message
  70                 this.getLogger().trace("CALLED!"); //NOI18N
  71
  72                 try {
  73                         // Call init method
  74                         this.app.init();
  75                 } catch (final SQLException | IOException ex) {
  76                         // Continue to throw
  77                         throw new RuntimeException(ex);
  78                 }
  79         }
  80
  81         @Override
  82         public Deque<Product> getAvailableProducts () throws ServletException {
  83                 try {
  84                         return this.app.getAvailableProducts();
  85                 } catch (final IOException | SQLException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
  86                         // Continue to throw
  87                         throw new ServletException(ex);
  88                 }
  89         }
  90
  91         @Override
  92         public Deque<Product> getAllProducts () throws ServletException {
  93                 try {
  94                         return this.app.getAllProducts();
  95                 } catch (final IOException | SQLException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
  96                         // Continue to throw
  97                         throw new ServletException(ex);
  98                 }
  99         }
 100
 101         @Override
 102         public Deque<Category> getAllCategories () throws ServletException {
 103                 try {
 104                         return this.app.getAllCategories();
 105                 } catch (final IOException | SQLException | NoSuchMethodException | IllegalAccessException | InvocationTargetException ex) {
 106                         // Continue to throw
 107                         throw new ServletException(ex);
 108                 }
 109         }
 110 }