From c8cf4b8ba8fb12af84f74211e41149a9438b48ce Mon Sep 17 00:00:00 2001
From: adash <adash>
Date: Fri, 3 Nov 2006 18:10:37 +0000
Subject: [PATCH] Transaction operations available

---
 Robust/src/Tests/Inventory.java | 91 +++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 Robust/src/Tests/Inventory.java

diff --git a/Robust/src/Tests/Inventory.java b/Robust/src/Tests/Inventory.java
new file mode 100644
index 00000000..94d79e63
--- /dev/null
+++ b/Robust/src/Tests/Inventory.java
@@ -0,0 +1,91 @@
+public class Inventory {
+	// Inventory flags
+	flag TransInitialize;
+
+	// Transaction variables
+	int numitems;
+	int current;//keeps track of current position
+	int totalvalue;
+	
+	// Item properties
+	String item_name[];
+	int item_quantity[];
+	int item_price[];
+
+	// Constructor
+	public Inventory(){
+		current = 0;
+	}
+
+	public Inventory(int howmany) {
+		numitems = howmany;// howmany keeps track of the number of items 
+				   // in the inventory
+		current = 0;
+		item_name = new String[howmany];
+		item_quantity = new int [howmany];
+		item_price = new int [howmany];
+		for (int i = 0; i < howmany; i++) {
+			item_name[i] = "";
+			item_quantity[i] = 0;
+			item_price[i] = 0;
+ 		}
+	}
+
+	// Add item to a list of inventory
+	public int additem(String name, int quantity, int price){
+		//check current value
+		if(current>=numitems){
+			System.printString("Cannot add any further items");
+			return -1;
+		}
+		// Search thru existing items
+		for(int i=0; i<numitems;i++){
+			if(item_name[i]== name){
+				item_quantity[i]+= quantity;
+				return 0;
+			}
+		}
+		// Add new item if not found
+		item_name[current]= name;
+		item_quantity[current]= quantity;
+		item_price[current]= price;
+		current++;
+		return 0;
+	}	
+
+	// Buy item from a given list of inventory	
+	public int buyitem(String name, int quantity, int price){
+		//Search through existing items	
+		for(int i=0; i<numitems;i++){
+			if(item_name[i]== name){
+				item_quantity[i]-= quantity;
+				if (item_quantity[i]<=0){// if the quantity falls 
+							// to zero 
+					current--;
+				}
+				totalvalue = quantity*price;
+				return 0;
+			}
+		}
+		System.printString("Cannot find the item in the inventory");
+		return -1;
+			
+	}
+
+	//Display the inventory list
+	public int inventory(){
+		Integer tmp;
+		for(int i=0; i<current; i++){
+			System.printString(" The items are ");
+			System.printString(item_name[i]);	
+		//	System.printString(" The sale is ");
+			System.printString(" The quantity of item is ");
+			tmp = new Integer(item_quantity[i]);
+			System.printString(tmp.toString());
+			System.printString(" The price of item is ");
+			tmp = new Integer(item_price[i]);
+			System.printString(tmp.toString());
+		}
+		return 0;
+	}	
+}
-- 
2.34.1