Coverage Report - org.mule.example.bookstore.DataWarehouse
 
Classes in this File Line Coverage Branch Coverage Complexity
DataWarehouse
0%
0/34
0%
0/6
0
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.example.bookstore;
 8  
 
 9  
 import org.mule.example.bookstore.web.HtmlTemplate;
 10  
 
 11  
 import java.util.HashMap;
 12  
 import java.util.Map;
 13  
 import java.util.Map.Entry;
 14  
 
 15  
 /**
 16  
  * Tracks statistics on book orders.
 17  
  */
 18  0
 public class DataWarehouse
 19  
 {
 20  0
     int booksOrdered = 0;
 21  0
     double totalRevenue = 0;
 22  0
     double averagePrice = 0;
 23  0
     Map <String, Integer> sales = new HashMap <String, Integer> ();
 24  0
     String bestSeller = "";
 25  
     
 26  
     public String updateStats(Order order)
 27  
     {
 28  0
         Book book = order.getBook();
 29  0
         booksOrdered += order.getQuantity();
 30  0
         totalRevenue += (book.getPrice() * order.getQuantity());
 31  0
         averagePrice = totalRevenue / booksOrdered;
 32  
 
 33  0
         String title = book.getTitle();
 34  0
         Integer quantity = sales.get(title);
 35  0
         if (quantity == null)
 36  
         {
 37  0
             sales.put(title, order.getQuantity());
 38  
         }
 39  
         else
 40  
         {
 41  0
             sales.put(title, quantity + order.getQuantity());
 42  
         }
 43  0
         bestSeller = getBestSeller();
 44  
         
 45  0
         System.out.println("Updating stats");
 46  0
         return HtmlTemplate.wrapHtmlBody(printHtmlStats());
 47  
     }
 48  
 
 49  
     protected String getBestSeller()
 50  
     {
 51  0
         String title = "";
 52  0
         int quantity = 0;
 53  0
         for (Entry<String, Integer> entry : sales.entrySet())
 54  
         {
 55  0
             if (entry.getValue() > quantity)
 56  
             {
 57  0
                 title = entry.getKey();
 58  0
                 quantity = entry.getValue();
 59  
             }
 60  
         }
 61  0
         return title;
 62  
     }
 63  
     
 64  
     protected String printHtmlStats()
 65  
     {
 66  0
         StringBuilder sb = new StringBuilder();
 67  0
         sb.append("<h2>Data Warehouse Statistics</h2>");
 68  0
         sb.append("<table>");
 69  0
         sb.append("  <tr><th>Books sold</th> <td>").append(booksOrdered).append("</td></tr>");
 70  0
         sb.append(String.format("  <tr><th>Total revenue</th> <td>$%.2f</td></tr>", totalRevenue));
 71  0
         sb.append(String.format("  <tr><th>Average price</th> <td>$%.2f</td></tr>", averagePrice));
 72  0
         sb.append("<tr><th>Best seller</th> <td>").append(bestSeller).append("</td></tr>");
 73  0
         sb.append("</table>");
 74  
 
 75  0
         return sb.toString();
 76  
     }
 77  
 }