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jancajthaml-openbank/actor-system](https://godoc.org/github.com/nathany/looper?status.svg)](https://godoc.org/github.com/jancajthaml-openbank/actor-system)\n\n[![codebeat badge](https://codebeat.co/badges/89560b92-340d-4876-be9c-92dd06e001a8)](https://codebeat.co/projects/github-com-jancajthaml-openbank-actor-system-master)\n\n[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fjancajthaml-openbank%2Factor-system.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fjancajthaml-openbank%2Factor-system?ref=badge_shield)\n\nNo nonsense, easiblity extensible actor system support without need or service discovery and actor tracking.\n\n### Features\n\n- Multiple actor systems in single service\n- No zipkin, no kafka, no heavy weight framework\n- State aware actors with actor enveloping\n- csp on actor level, parallel on application level\n- stash and blacklog support on actor instance\n- Spray actor or do something else on message receive JIT with `ProcessLocalMessage` and `ProcessRemoteMessage`\n\n### Simplest Example\n\n```go\nimport (\n  \"context\"\n  \"fmt\"\n\n  system \"github.com/jancajthaml-openbank/actor-system\"\n)\n\ntype ActorSystem struct {\n  system.Support\n}\n\nfunc NewActorSystem() ActorSystem {\n  ctx := context.Background()\n  region := \"MyRegion\"\n  lakeEndpoint := \"127.0.0.1\"\n\n  return ActorSystem{\n    System: system.New(ctx, region, lakeEndpoint),\n  }\n}\n\nfunc (s ActorSystem) ProcessMessage(msg string, to system.Coordinates, from system.Coordinates) {\n  fmt.Printf(\"%+v -\u003e %+v says %s\\n\", from, to, msg)\n}\n\nfunc main() {\n  instance := NewActorSystem()\n\n  instance.ActorSystemSupport.RegisterOnMessage(as.ProcessMessage)\n\n  instance.Start()\n}\n```\n\n### Messaging\n\nUses [lake](https://github.com/jancajthaml-openbank/lake) relay for remote messages relay.\n\nWhen message is recieved from remote environment function registered by `RegisterOnRemoteMessage` is called.\nThe simplest implementation of such function would be\n\n```go\nfunc (s ActorSystem) ProcessMessage(msg string, to system.Coordinates, from system.Coordinates) {\n\n  var message interface{}\n\n  switch msg {\n\n  case \"X\":\n    message = new(XMessage)\n\n  default:\n    message = new(DefaultMessage)\n  }\n\n  s.ProcessLocalMessage(message, to, from)\n}\n```\n\nif you want to spray actors on-demand on messages\n\n```go\nfunc EchoActor(s ActorSystemSupport) func(State, Context) {\n  return func(state State, context Context) {\n    defer s.UnregisterActor(context.Receiver.Name)\n    log.Debug(\"Echo actor in %+v received %+v\", state, context)\n  }\n}\n```\n\n```go\nfunc (s ActorSystemSupport) ProcessLocalMessage(msg interface{}, to system.Coordinates, from system.Coordinates) {\n  ref, err := s.ActorOf(to)\n  if err != nil {\n    ref = actor.NewActor(to)\n    err = s.RegisterActor(ref, EchoActor(s))\n    if err != nil {\n      log.Warnf(\"Unable to register Actor [%s local]\", to)\n      return\n    }\n  }\n  ref.Tell(msg, from)\n}\n```\n\nYou don't need to have actor instance to send message to remote region, you can use `system.SendMessage` function instead.\n\n### Lifecycle control\n\nActorSystemSupport has methods `Start` for proper system start an `Stop` for gracefull shutdown.\n\n## License\n\nLicensed under Apache 2.0 see [LICENSE.md](https://github.com/jancajthaml-openbank/lake-client/blob/master/LICENSE.md) for details\n\n\n[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fjancajthaml-openbank%2Factor-system.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2Fjancajthaml-openbank%2Factor-system?ref=badge_large)\n\n## Contributing\n\n1. Fork it\n2. Create your feature branch (`git checkout -b feature/my-new-feature`)\n3. Commit your changes (`git commit -am 'Add some feature'`)\n4. Push to the branch (`git push origin feature/my-new-feature`)\n5. Create new Pull Request\n\n## Responsible Disclosure\n\nI take the security of my systems seriously, and I value input from the security community. The disclosure of security vulnerabilities helps me ensure the security and integrity of my systems. If you believe you've found a security vulnerability in one of my systems or services please [tell me via email](mailto:jan.cajthaml@gmail.com).\n\n## Author\n\nJan Cajthaml (a.k.a johnny)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjancajthaml-openbank%2Factor-system","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjancajthaml-openbank%2Factor-system","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjancajthaml-openbank%2Factor-system/lists"}