v1 Berlangganan dengan pull sinkron (TIDAK DIGUNAKAN LAGI)
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(TIDAK DIGUNAKAN LAGI) Berlangganan dengan pull sinkron
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Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
[[["Mudah dipahami","easyToUnderstand","thumb-up"],["Memecahkan masalah saya","solvedMyProblem","thumb-up"],["Lainnya","otherUp","thumb-up"]],[["Sulit dipahami","hardToUnderstand","thumb-down"],["Informasi atau kode contoh salah","incorrectInformationOrSampleCode","thumb-down"],["Informasi/contoh yang saya butuhkan tidak ada","missingTheInformationSamplesINeed","thumb-down"],["Masalah terjemahan","translationIssue","thumb-down"],["Lainnya","otherDown","thumb-down"]],[],[],[],null,["# v1 Subscribe with synchronous pull (DEPRECATED)\n\n(DEPRECATED) Subscribe with synchronous pull\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Go API\nreference documentation](https://godoc.org/cloud.google.com/go/pubsub).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n \t\"sync/atomic\"\n \t\"time\"\n\n \t\"cloud.google.com/go/pubsub\"\n )\n\n func pullMsgsSync(w io.Writer, projectID, subID string) error {\n \t// projectID := \"my-project-id\"\n \t// subID := \"my-sub\"\n \tctx := context.Background()\n \tclient, err := pubsub.https://cloud.google.com/go/docs/reference/cloud.google.com/go/pubsub/latest/index.html#cloud_google_com_go_pubsub_Client_NewClient(ctx, projectID)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"pubsub.NewClient: %w\", err)\n \t}\n \tdefer client.Close()\n\n \tsub := client.Subscription(subID)\n\n \t// Turn on synchronous mode. This makes the subscriber use the Pull RPC rather\n \t// than the StreamingPull RPC, which is useful for guaranteeing MaxOutstandingMessages,\n \t// the max number of messages the client will hold in memory at a time.\n \tsub.ReceiveSettings.Synchronous = true\n \tsub.ReceiveSettings.MaxOutstandingMessages = 10\n\n \t// Receive messages for 10 seconds, which simplifies testing.\n \t// Comment this out in production, since `Receive` should\n \t// be used as a long running operation.\n \tctx, cancel := context.WithTimeout(ctx, 10*time.Second)\n \tdefer cancel()\n\n \tvar received int32\n \terr = sub.Receive(ctx, func(_ context.Context, msg *pubsub.Message) {\n \t\tfmt.Fprintf(w, \"Got message: %q\\n\", string(msg.Data))\n \t\tatomic.AddInt32(&received, 1)\n \t\tmsg.Ack()\n \t})\n \tif err != nil {\n \t\treturn fmt.Errorf(\"sub.Receive: %w\", err)\n \t}\n \tfmt.Fprintf(w, \"Received %d messages\\n\", received)\n\n \treturn nil\n }\n\n### Ruby\n\n\nBefore trying this sample, follow the Ruby setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Ruby API\nreference documentation](https://googleapis.dev/ruby/google-cloud-pubsub/latest/Google/Cloud/PubSub.html).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n # subscription_id = \"your-subscription-id\"\n\n pubsub = Google::Cloud::https://cloud.google.com/ruby/docs/reference/google-cloud-pubsub/latest/Google-Cloud.html.new\n\n subscription = pubsub.subscription subscription_id\n subscription.pull(immediate: false).each do |message|\n puts \"Message pulled: #{message.data}\"\n message.acknowledge!\n end\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=pubsub)."]]