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templates

message queue

How to use

  1. Copy the files RabbitMQConfig.java, RabbitMqDeclarator.java, and RabbitMqPublisher.java into a folder within your service. Ensure they are in the same Java package.

  2. Add the following dependency to your pom.xml. For more detailed steps, refer to the library's README: https://github.com/Podzilla/mq-utils-lib/blob/main/README.md

    <dependency>
    <groupId>com.github.Podzilla</groupId>
    <artifactId>mq-utils-lib</artifactId>
    <version>main-SNAPSHOT</version>
</dependency>

  3. In the RabbitMQConfig.java file, add your event definitions to the PRODUCE_EVENTS and CONSUME_EVENTS sets.

  4. It is mandatory to have spring.application.name defined in your application.properties file.

  5. To listen to a specific event, use the @RabbitListener annotation as shown below:

    @RabbitListener(
    queues = "#{ T(com.podzilla.mq.utils.RabbitMqNaming).getQueueName(T(com.podzilla.mq.EventsConstants).ORDER_PLACED, T(com.example.demo.RabbitMQConfig).getServiceName()) }"
)
public void listenToOrderPlaced(YourEventType eventPayload) {
    // Your message processing logic here
}

    Note: Change com.example.demo to the actual package name where you placed the RabbitMQConfig.java file.