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This section covers how to implement administrative command handlers that allow runtime control and inspection of your microservice.
Rumi provides a command-and-control mechanism that allows administrators to send commands to running microservices for:
Runtime Configuration - Adjust behavior without restart
Diagnostics - Query internal state and statistics
Operations - Trigger administrative actions
Commands are implemented using annotated methods (@Command) and can be invoked via administrative tools or programmatically.
Synchronous Execution - Commands execute immediately and return results
Outside Transaction Scope - Commands don't participate in message transactions
Administrative Context - Designed for operations, not business logic
Implementing Command Handlers - Create custom administrative commands using @Command annotations
rumi admin - Command-line tool for invoking commands
Admin Over SMA - Remote command invocation via messaging
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