IdentityMaterialMqConfig

Info

Spring @Configuration that declares the RabbitMQ exchange, queues, and bindings for asynchronous identity material (facial recognition photo) uploads.

Overview

Configures a durable DirectExchange with three queues: a main processing queue, a retry queue (with 10-second TTL dead-lettering back to the main queue), and a dead-letter queue (DLQ) for permanently failed messages.

Constants

Constant	Value	Description
EXCHANGE	eisland.identity.material.exchange	Direct exchange name
QUEUE	eisland.identity.material.upload.queue	Main processing queue
ROUTING_KEY	eisland.identity.material.upload	Main queue routing key
RETRY_QUEUE	eisland.identity.material.upload.retry.queue	Retry queue
RETRY_ROUTING_KEY	eisland.identity.material.upload.retry	Retry routing key
DLQ	eisland.identity.material.upload.dlq	Dead-letter queue
DLQ_ROUTING_KEY	eisland.identity.material.upload.dlq	DLQ routing key
RETRY_HEADER	x-identity-material-retry-count	Header tracking retry attempts

Retry Strategy

Parameter	Value	Description
Retry Delay	10,000 ms	TTL on retry queue before dead-lettering back to main
Max Retries	3	Enforced by the consumer (IdentityMaterialUploadConsumer)

Beans

• identityMaterialExchange -- durable, non-auto-delete DirectExchange
• identityMaterialQueue -- durable main queue
• identityMaterialRetryQueue -- durable retry queue with TTL and DLX
• identityMaterialDlqQueue -- durable dead-letter queue
• Three Binding beans wiring exchange to queues