Lecture 01

   challenges of Enterprise Application Development

1. programming productivity
2. integration with existing systems
3. freedom of choice
4. response to demand
5. maintaining security

what is a framework

a framework is a set of code or libraries which provide functionality common to a whole class of applications

•    Web application framework may provide 
  • user session management
  • data storage
  • a web template system
• Desktop application framework may provide
  • user interface functionality
  • widgets                 

      properties of framework

•       incomplete
•        concrete
•       drives driven
•       recurring high value problem

      framework is a set of libraries

• inversion of control
• default behavior
• extensibility
• non-modifiable framework code

      framework features

• support software designing
• code generation
• support customizations
• easy integration with other enterprise applications
• testing mechanisms
• code repository
• possibility to integrate with other 3rd party tools

     framework types

• client framework
  • windows
  • web 
  • mobile
• server framework
• integration framework

   importance of frameworks

         applications----->frameworks(spring/ASP.net/EJB)----------->persistence abstraction(hibernate)------->data fabrics/database/caches