minos.saga.executions.steps.remote module

class minos.saga.executions.steps.remote.RemoteSagaStepExecution(definition, related_services=None, status=SagaStepStatus.Created, already_rollback=False)[source]

Bases: minos.saga.executions.steps.abc.SagaStepExecution

Saga Execution Step class.

__init__(definition, related_services=None, status=SagaStepStatus.Created, already_rollback=False)
definition: minos.saga.definitions.steps.remote.RemoteSagaStep
async execute(context, response=None, *args, **kwargs)[source]

Execution the remote step.

Parameters

  • context (minos.saga.context.SagaContext) – The execution context to be used during the execution.

  • response (typing.Optional[minos.saga.messages.SagaResponse]) – An optional command response instance (to be consumed by the on_success method).

  • args – Additional positional arguments.

  • kwargs – Additional named arguments.

Return type

minos.saga.context.SagaContext

Returns

The updated context.

static from_definition(step)

Build a SagaStepExecution instance from the SagaStep definition.

Parameters

step (minos.saga.definitions.steps.abc.SagaStep) – The SagaStep definition.

Return type

minos.saga.executions.steps.abc.SagaStepExecution

Returns

A new SagaStepExecution.

classmethod from_raw(raw, **kwargs)

Build a new instance from a raw representation.

Parameters
Return type

minos.saga.executions.steps.abc.SagaStepExecution

Returns

A SagaStepExecution instance.

property raw: dict[str, typing.Any]

Compute a raw representation of the instance.

Return type

dict[str, typing.Any]

Returns

A dict instance.

async rollback(context, *args, **kwargs)[source]

Revert the executed remote step.

Parameters
Return type

minos.saga.context.SagaContext

Returns

The updated execution context.