Ming.Handler (Ming v0.1.1)
View SourceHandler is a process, it allows execution of commands/event.
Telemetry
[:ming, :handler, :execute, :start]
- Description: Emitted when an handler starts executing a request(command/event)
- Measurements:
%{system_time: integer()}
- Metadata:
%{application: Ming.CommandProcessor.t(), caller: pid(), execution_context: Ming.ExecutionContext.t()}
[:ming, :handler, :execute, :stop]
- Description: Emitted when an handler stops executing a request(command/event)
- Measurements:
%{duration: non_neg_integer()}
- Metadata:
%{application: Ming.CommandProcessor.t(), caller: pid(), execution_context: Ming.ExecutionContext.t(), response: [map()], error: nil | any()}
[:ming, :handler, :execute, :exception]
- Description: Emitted when an handler raises an exception
- Measurements:
%{duration: non_neg_integer()}
- Metadata:
%{application: Ming.CommandProcessor.t(), caller: pid(), execution_context: Ming.ExecutionContext.t(), kind: :throw | :error | :exit, reason: any(), stacktrace: list()}
Summary
Functions
Execute the given command against the aggregate.
Functions
Execute the given command against the aggregate.
context
- includes command execution arguments(see
Commanded.Aggregates.ExecutionContext
for details).timeout
- an non-negative integer which specifies how many milliseconds to wait for a reply, or the atom :infinity to wait indefinitely. The default value is five seconds (5,000ms).
Return values
Returns {:ok, response}
on success, or {:error, error}
on failure.
response
- response produced by the handler, can be an empty list.