// Copyright 2022 Lightbend Inc.

// Entity level extensions for protobuf.

syntax = "proto3";

package kalix;

option go_package = "github.com/lightbend/kalix-go-sdk/kalix;kalix";
option java_multiple_files = true;
option java_outer_classname = "KeyGeneratorProto";
option java_package = "kalix";

message KeyGeneratorMethodOptions {
  enum Generator {
    UNSPECIFIED = 0;
    // Generate a Version 4 (random) UUID. The UUID will be generated using a cryptographically secure random
    // number generator.
    VERSION_4_UUID = 1;
  }
  // Indicates that Kalix should generate a key when this method is invoked. The key can is then used as an entity key or a workflow key.
  //
  // The generated key will be accessible via the entity or workflow context supplied in the SDK.
  //
  // The incoming message MUST NOT declare an entity_key nor a workflow_key annotated field, if it does, an error will be raised.
  Generator key_generator = 1;
}