Command

Зачем

• Decoupled
  • Separates Intent from Interpretation
  • Framework and Client Decoupling
  • Architectural Boundary
  • Используется в паттерне CQRS
• Testable
• Extendable
• Сущности
  • Client
  • Invoker
  • Command
  • Receiver

Patterns

• Command
• Command Handler
  • the command handler should not perform secondary tasks - use Events
    • Single responsibility principle (SRP)
    • Open/closed principle (OCP)
• Связь Command и Comman Handler реализуется
  • паттерном Command Bus
  • медиатор