java sources

[IRC.git] / Robust / src / Benchmarks / WebServerJ / Inventory.java

diff --git a/Robust/src/Benchmarks/WebServerJ/Inventory.java b/Robust/src/Benchmarks/WebServerJ/Inventory.java
new file mode 100644 (file)
index 0000000..570ac6b
--- /dev/null
+++ b/Robust/src/Benchmarks/WebServerJ/Inventory.java
@@ -0,0 +1,94 @@
+import java.util.*;
+import java.net.*;
+import java.io.*;
+
+public class Inventory {
+    // Transaction variables
+    int numitems;
+    HashMap map;
+    int balance;
+    
+    // Constructor
+    public Inventory(){
+       map = new HashMap();
+       balance=100000;
+    }
+    
+    public Inventory(int howmany) {
+       numitems = howmany;// howmany keeps track of the number of items 
+       // in the inventory
+       map = new HashMap();
+    }
+    
+    // Add item to a list of inventory
+    public synchronized void additem(String name, int quantity, int price){
+       ItemInfo newitem = new ItemInfo(quantity, price);
+       balance-=quantity*price;
+       
+       // Get the item from hash
+       if (map.containsKey(name) == false) {
+           map.put(name, newitem);
+       } else {
+           ItemInfo i = (ItemInfo) map.get(name);
+           i.quantity += quantity;
+           i.price = price;
+           map.put(name, i);
+       }
+    }  
+    
+    // Buy item from a given list of inventory 
+    public synchronized int buyitem(String name, int quantity){
+       if (map.containsKey(name) == false) {
+           //          System.printString("Error - Item does not exist");
+           return -1;
+       } else {
+           ItemInfo i = (ItemInfo) map.get(name);
+           if (i.quantity == 0) {
+               //                      System.printString("Error - Item unavailable");
+               return -1;
+           }
+           if ((i.quantity-quantity) < 0 ) {
+               //                      System.printString("Error - Available qty is less: Cannot Buy\n");
+               return -1;
+           } else {
+               i.quantity -= quantity;
+               map.put(name, i);
+               balance+=quantity*i.price;
+               return i.price;
+           }
+       }
+    }
+
+    //Display the inventory list
+    public synchronized void inventory(Socket s){
+       try {
+           OutputStream sockout=s.getOutputStream();
+       Iterator i = map.keySet().iterator();// Gets key from the hashmap= name of item
+       Iterator j = map.values().iterator();//Gets the value from hashmap 
+       int totalvalue=balance;
+       while (i.hasNext() == true) {
+           StringBuffer sb = new StringBuffer("");
+           Object o = i.next();
+           String name = o.toString();
+           ItemInfo oo = (ItemInfo) j.next();
+           sb.append(name);
+           sb.append(" ");
+           Integer q = new Integer(oo.quantity);
+           sb.append(q.toString());
+           sb.append(" ");
+           Integer p = new Integer(oo.price);
+           sb.append(p.toString());
+           sb.append("\n");
+           totalvalue+=oo.quantity*oo.price;
+           sockout.write(sb.toString().getBytes());
+       }
+       StringBuffer sb=new StringBuffer("");
+       sb.append("Total value: ");
+       sb.append((new Integer(totalvalue)).toString());
+       sb.append("\n");
+       sockout.write(sb.toString().getBytes());
+       } catch (Exception e) {
+           e.printStackTrace();
+       }       
+    }
+}