A detailed analysis of Force.com's Software Architecture by Rishabh Karajgi

1. SALESFORCE as PaaS
Architecture of
Rishabh Karajgi

2. What is Salesforce.com?
A Software as a Service(Saas) provider and a major Customer Relationship
Management (CRM) software provider delivered entirely over the internet
(cloud computing).
What is CRM?
It is a model used to manage an organization’s interactions (Phone calls,
emails, meetings, social media etc.)
-with customers and prospects pertaining to Sales, Marketing and Support

3. Salesforce products

4. What is Force.com?
A Platform as a Service (PaaS) and multi-tenant cloud development platform
designed to simplify the development and deployment of cloud-based applications
and websites. Developers can create apps and websites through the cloud IDE
(integrated development environment) and deploy them quickly to Force.com’s
multi-tenant servers.
Basically a social and mobile app development platform on the cloud!

5. Architecture of Force.com

8. ➢ Infrastructure - Representing the servers and the data centers
supporting the platform
➢ Database - Comprises both business data and metadata
➢ Application logic - is mostly workflow logic. It is the application
specific coordination of domain and infrastructure components
according to the requirements of that particular application.
➢ Controller - responsible for controlling the flow of the
application execution. Responsible for returning a response to a
request made to an application
➢ APIs - External programmatic access. To make client side web
service calls through Javascript represented in the view
➢ Views - Components for defining the User Interface of the app.

9. Services stack

10. ● Architectural stack sits
on top of the stack of
cross cutting services.
● Any service can
intersect with the
architectural stack
● While the
Architectural stack
may be static, the
service stack is
scalable and dynamic,
hence adding
additional services
becomes easy!

11. ● Combination of
architectural layers,
intersecting services
and security features
along with chatter
which enables social
capability
● Features or
capabilities crosses
architectural layers
● Not only click and go
dev but programming
functionality can be
injected by a developer

12. Let’s get a bit more technical

13. Force.com - foundation of Salesforce
Core components :

14. Multi-Tenancy
Sharing IT resources ( Server, Databases, Application ) cost effectively and securely.

15. Meta-Data Kernel
● Facilitates multi-tenant applications
● Separates each tenant’s :
○ Runtime Engine
○ Metadata of Tenant
Polyglot Persistence
● Transaction Details.
● Metadata Caching.
● Full-text Multilingual Search
Engine.

16. Advantages of Force.com
Faster, more active development
Easier to obtain started
Simpler and less expensive to keep
Conceived with the future of the web in mind (Chatter )

17. Disadvantages of Force.com
THERE IS NO REAL DEBUGGER hence debugging process becomes very slow and you
have to manually edit the debug logs by creating debug requests.
Difficult to understand
No proper tooling available such as code refactoring, code analysis etc.
Modelled on JAVA 5, which is considered to be lagging behind other languages and
without proper tooling, work becomes cumbersome

18. https://github.com/karajrish/getting-started-
force.com
Wanna get started with Force.com?