Web Cache Sample
- Customer Module
Contents
Oracle9iAS Web Cache- Customer Module Sample is an e-Shop that
is developed to demonstrate features of Oracle9iAS Web Cache
and JESI (Edge Side Includes for Java). For maintenance of this e-Shop,
an Administration Module is available that demonstrates
features of Web Object Cache. The aim of these two modules that form a
complete e-Shop Application, is to demonstrate when,
where, which caching technique best fits in to achieve high performance,
scalability and handling complexity.
The Customer Module allows tracking of orders made by the customers.
The system maintains product information, order information
and customer information in the database. The user of this system,
customer has to login to the system using the unique identifier
given to him/her.
The Customer module provides with the shopping interface for the customer.
The Home page has the following options for the user
1. Login
2. View Product Catalog and details of products
3. View Best buys and top 3 selling products.
4. Check order status with order number.
5. View shopping cart
6. Check out
7. Logout
The customer can browse through the catalog and see product descriptions
and add them to the cart. On the home page
the list of best buys and the top 3 selling products are also shown.
The customer can click on them to see the description
and add them to the cart. At any time the customer can view his shopping
cart information and modify item quantity or
remove items from cart. There is also an option to check out the cart.
Before checking out the customer needs to login
to authenticate himself/herself as a valid customer. When the customer
checks out he/she is provided with an order id
which can be used to check the status of the order.
Oracle9iAS Web Cache can be used to store both static and dynamic
pages. When the dynamic
pages are cached, the first request alone will be sent to the Application
Server and the content will be stored in
Oracle9iAS Web Cache. All subsequent requests will be served from
the Oracle9iAS Web Cache server until
the pages are invalidated or expired. The cache policies can be set using
JESI tags. The suitable candidates for caching
dynamic pages in the system are
- Product catalog displayed
- List of top 3 products displayed to the customers
- Product information displayed for each product
- Best buys information and details about it.
Figure 1.1: Usecase Diagram for Customer Module
When the application is launched with the Main.jsp file, the following
screen is shown
Figure 1.2: Screen Shot displaying the home page of the Customer Module
When the user clicks on any of the Categories, the products in that
particular category are shown to the user. In the following screen, the
user has clicked on 'Printers' category, the list of all products in
'Printers' category is displayed on the right hand side pane and the best
buys(if any)
and top three selling products of the category chosen ('Printers')
are displayed on the left hand side panes.
Figure 1.3: Screen shot showing the Products for a chosen category(in
this case 'Printers')
When the users want to buy a product, he can just click on the "Add
to Cart" button and add the product to the cart.
The user can give the quantity he wishes to buy and click "Update".
The user can update the cart or remove items from the cart.
When the user wants to check out the cart, he has to login.
Figure 1.4: Screen Shot Showing Cart Information
The User can see the details of a best buy and add them to cart
Figure 1.5: Screen shot showing the details of a best buy
Refer to Installing the sample for step-by-step
instructions on extracting files, installing to successfully run this
application.
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this sample in the OTN Sample
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