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Komandante

Expressive Kotlin CQRS and Event Sourcing framework implementing event stores, saga orchestration, and projection engines for distributed systems.

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kotlincqrsevent-sourcingsaga-patterndistributed-systems

Komandante — Kotlin CQRS & Event Sourcing Framework

An expressive, lightweight Kotlin framework built to implement Command Query Responsibility Segregation (CQRS) and Event Sourcing patterns in distributed event-driven microservices.

Key Capabilities

  • Event Store Abstractions: Pluggable event append-only persistence with optimistic concurrency control and stream versioning.
  • Saga Orchestration: First-class process managers and saga orchestrators coordinating long-running business transactions across independent domains.
  • Asynchronous Projectors: Decoupled projection engines converting event streams into optimized, queryable read models.
  • Idiomatic Kotlin: Type-safe DSLs leveraging Kotlin’s expressive syntax and functional capabilities for domain modeling.

Technology Stack

  • Language: Kotlin
  • Architectural Patterns: CQRS, Event Sourcing, Saga Orchestration, Event-Driven Architecture