Outbox Pattern Generator

Creates Transactional Outbox pattern infrastructure for reliable event publishing.

When to Use

• Need reliable event publishing across transaction boundaries
• Prevent message loss if broker is down
• Ensure exactly-once or at-least-once delivery
• Maintain consistency between database and message broker

Component Characteristics

OutboxMessage Entity

• Immutable value object in Domain layer
• Contains: id, aggregateType, aggregateId, eventType, payload, timestamps
• Supports reconstitution for persistence
• Methods: withProcessed(), withRetryIncremented()