@ @idempotent

@idempotent

Applies to: rpc

Section: §10.2

Syntax

ebnf

Attr        = "@" Path [ "(" [ AttrArgs ] ")" ] ;

Grammar: App. A

10.2 rpc attributes — Defaults for all rpcs are set in cluster { defaults { …
4.9 Attributes — Syntax: @name or @name(arguments) before a declaration, field, parameter or rpc.
11.4 Idempotency — @idempotent without arguments uses ctx.idempotencyKey.
10.1 Services — A service declares a contract
10.6 Pipelines — A pipeline is a linear chain of steps, each of which runs on its own node; data is passed from node to node directly, the caller receives on
11.1 Kinds of transactions — Kinds of transactions
11.3 Sagas — A saga is a sequence of steps (the step syntax is as in a chain, §8.4); after a step there MAY be undo x => compensation, where x is the res
16.3 gRPC and protobuf — import proto "payments.proto" generates an extern service and types; calls are as to ordinary services through connect.