design-patterns

Creational

Used to create object

1. Singleton
2. Factory
3. Abstract Factory
4. Builder:
   • Create a complex object from a simple one
   • When some attributes are not required
5. Prototype

Structural

Relationship between objects

Behavior

Communication between objects

Combinator

• Combinator pattern allows chaining functions on an object in order to perform some validations

• Synchronization:

  • Allows resolving concurrency problem
  • Deadlock: when concurrency is not managed

• Data Access Object (DAO)

  • Separate business layer from persistence layer
  • Permits both layer to evolve separately without knowing anything about each other

• Data Transfer Object (DTO)

• Data Change Capture

Archi

• Data Driven Architecture