Databases Reference
In-Depth Information
Here are few examples:
RSS Feed/Blogging Application
Users can specify feeds, applications can pull feed data and store it in XCS.
Applications can then search and display feeds. Blogs can also be created
and stored in XCS. Blogs then can be searched, sorted, and displayed.
XML-based Content Management system
All types of content can be used to store data in the XCS DATA column.
ATTACHMENT
can be used to store binary objects such as image data.
ABOUT
can store the metadata which can drive the application process flow.
Web services
Web services are the applications that utilize XML messages for interaction
between components. Applications can utilize XCS to store, search, and
retrieve XML data.
Essentially, any application that requires XML data interchange can benefit from
XCS. We have created one application to demonstrate the capability of XCS. Our
sample application is a social network application. We named it
myContacts.com
.
This application enables users to:
Create and maintain a profile for social and professional networking.
Search for people within networks.
Make contacts with the people and collaborate with them.
Solution components
This application can be divided into the following functional components:
Create and maintain member profile
We need a persistent XML storage to store all of our member profiles and
relationships between them. We also need to build user interfaces for new
members to create profiles and log in to the system. We need to track user
inputs, build XML with it, and then store it in XCS.
Track logged in users
We need to track logged in users so that the application knows if a user is
viewing the user's own profile or another user's profile. This is required to
allow users to make contact with other members. We used PHP's built-in
session tracking methods to track the status of logged-in users.
Update contacts and relationships
We need user interfaces and controller functions to perform the updates on
XML data. Luckily, we have XCS implementations of Create, Remove,
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