v1 Resume publishing with ordering keys (DEPRECATED)
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(DEPRECATED) Resume publishing with ordering keys
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# v1 Resume publishing with ordering keys (DEPRECATED)\n\n(DEPRECATED) Resume publishing with ordering keys\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\n \t\"cloud.google.com/go/pubsub\"\n \t\"google.golang.org/api/option\"\n )\n\n func resumePublishWithOrderingKey(w io.Writer, projectID, topicID string) {\n \t// projectID := \"my-project-id\"\n \t// topicID := \"my-topic\"\n \tctx := context.Background()\n\n \t// Pub/Sub's ordered delivery guarantee only applies when publishes for an ordering key are in the same region\n \t// For list of locational endpoints for Pub/Sub, see https://cloud.google.com/pubsub/docs/reference/service_apis_overview#list_of_locational_endpoints\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 \t\toption.WithEndpoint(\"us-east1-pubsub.googleapis.com:443\"))\n \tif err != nil {\n \t\tfmt.Fprintf(w, \"pubsub.NewClient: %v\", err)\n \t\treturn\n \t}\n \tdefer client.Close()\n\n \tt := client.Topic(topicID)\n \tt.EnableMessageOrdering = true\n \tkey := \"some-ordering-key\"\n\n \tres := t.Publish(ctx, &pubsub.Message{\n \t\tData: []byte(\"some-message\"),\n \t\tOrderingKey: key,\n \t})\n \t_, err = res.Get(ctx)\n \tif err != nil {\n \t\t// Error handling code can be added here.\n \t\tfmt.Printf(\"Failed to publish: %s\\n\", err)\n\n \t\t// Resume publish on an ordering key that has had unrecoverable errors.\n \t\t// After such an error publishes with this ordering key will fail\n \t\t// until this method is called.\n \t\tt.https://cloud.google.com/go/docs/reference/cloud.google.com/go/pubsub/latest/index.html#cloud_google_com_go_pubsub_Topic_ResumePublish(key)\n \t}\n\n \tfmt.Fprint(w, \"Published a message with ordering key successfully\\n\")\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 # topic_id = \"your-topic-id\"\n\n pubsub = Google::Cloud::https://cloud.google.com/ruby/docs/reference/google-cloud-pubsub/latest/Google-Cloud.html.new\n\n # Start sending messages in one request once the size of all queued messages\n # reaches 1 MB or the number of queued messages reaches 20\n topic = pubsub.topic topic_id, async: {\n max_bytes: 1_000_000,\n max_messages: 20\n }\n topic.enable_message_ordering!\n 10.times do |i|\n topic.publish_async \"This is message ##{i}.\",\n ordering_key: \"ordering-key\" do |result|\n if result.succeeded?\n puts \"Message ##{i} successfully published.\"\n else\n puts \"Message ##{i} failed to publish\"\n # Allow publishing to continue on \"ordering-key\" after processing the\n # failure.\n topic.resume_publish \"ordering-key\"\n end\n end\n end\n\n # Stop the async_publisher to send all queued messages immediately.\n topic.async_publisher.stop!\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)."]]