{
  "context": "This criteria evaluates how well the engineer uses the azure-servicebus package to implement a message processing system with proper message settlement, specifically focusing on the abandon_message() functionality for handling failed message processing.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Client initialization",
      "description": "Uses ServiceBusClient.from_connection_string() to create the client from the connection string parameter",
      "max_score": 10
    },
    {
      "name": "Receiver creation",
      "description": "Uses client.get_queue_receiver() to create a receiver for the specified queue with appropriate receive mode (PEEK_LOCK for settlement operations)",
      "max_score": 15
    },
    {
      "name": "Message receiving",
      "description": "Uses receiver.receive_messages() with the max_messages parameter to retrieve messages from the queue",
      "max_score": 15
    },
    {
      "name": "Abandon on failure",
      "description": "Uses receiver.abandon_message() to return failed messages to the queue when the callback returns False or raises an exception",
      "max_score": 30
    },
    {
      "name": "Complete on success",
      "description": "Uses receiver.complete_message() to remove successfully processed messages from the queue when the callback returns True",
      "max_score": 20
    },
    {
      "name": "Resource cleanup",
      "description": "Uses context managers (with statements) for ServiceBusClient and receiver to ensure proper connection cleanup, or explicitly calls close() methods",
      "max_score": 10
    }
  ]
}