すべての Pub/Sub のコードサンプル

This page contains code samples for Pub/Sub. To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.

Create Avro-typed schema

Create a schema resource using an Avro schema file.

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Create Proto-typed schema

Create a schema resource using a protocol buffer file.

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Create pull subscription

Creates a pull subscription.

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Create push subscription

Creates a push subscription with a push endpoint.

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Create subscription with `DeadLetterPolicy`

Creates a subscription that forwards undeliverable messages to a dead-letter topic.

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Create topic with schema

Create a topic and attach a schema to it.

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Delete schema

Delete a schema resource.

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Detach subscription from topic

When a topic admin client detaches a subscription, the subscription is no longer allowed to read any data from the topic, and all stored messages on this subscription -- unacknowledged and acknowledged -- are dropped.

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Enable ordering on subscription

Enables the message ordering property on a subscription.

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Get schema

Get a schema resource.

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Get subscription policy

Gets the IAM policy associated with a subscription.

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Get topic policy

Gets the IAM policy associated with a topic.

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List schemas

List the schema resources in a project.

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List subscriptions in project

Lists subscriptions in a project.

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List subscriptions in topic

Lists subscriptions in a topic.

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List topics in project

Lists topics in a project.

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Pub/Sub to Cloud Storage using Dataflow

Stream Pub/Sub messages to Cloud Storage using Dataflow.

Publish messages of Avro schema type

Publish messages that conform to an Avro schema to a topic with an Avro schema attached.

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Publish messages of protobuf schema type

Publish messages that conform to a protocol buffer schema to a topic with a protocol buffer schema attached.

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Publish quickstart

A quickstart example for publishing messages to a topic.

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Publish with batching settings

Creates a publisher client with custom batching settings and uses it to publish some messages.

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Publish with concurrency control

Configures a publisher to have different numbers of threads for publishing messages and processing message futures.

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Publish with custom attributes

Publishes a message with custom attributes.

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Publish with error handling

Publishes messages with an error handler.

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Publish with ordering keys

Publishes messages with an ordering key.

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Publish with retry settings

Applies retry delay and/or retry timeout settings on the publisher client or publish requests.

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Receive messages of Avro schema type

Receive a message of Avro schema type, convert the message data to an object of a generated Avro class, and acknowledge the message.

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Receive messages of Proto schema type

Receive a message of protocol buffer schema type, convert the message data to an object of a generated Proto class, and acknowledge the message.

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Receive messages with delivery attempts

Prints out the delivery attempt field of a message from a subscription with a `DeadLetterPolicy`.

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Remove `DeadLetterPolicy` on subscription

Removes the `DeadLetterPolicy` on a subscription.

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Resume publishing with ordering keys

When publishing with an ordering key fails, queued-up messages of the same ordering key in the publisher fail, as well as future publish requests of this ordering key. This sample shows how to resume publishing with ordering keys enabled when such failures occur.

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Set subscription policy

Sets a subscription IAM policy.

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Subscribe quickstart

A quickstart sample for receiving messages from a subscription.

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Subscribe with asynchronous pull

Uses asynchronous pull to receive messages.

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Subscribe with concurrency control

Configures number of threads for receiving messages and processing message callbacks.

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Subscribe with custom attributes

Uses asynchronous pull to receive messages with custom attributes.

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Subscribe with error listener

Handles errors when subscribing throws an error.

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Subscribe with flow control

Creates a subscriber with flow control settings, and receives messages.

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Subscribe with synchronous pull

Uses synchronous pull to receive messages.

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Subscribe with synchronous pull and lease management

Uses synchronous pull to receive messages and modify their acknowledge deadlines.

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Test permissions for subscription

Tests IAM permissions for a subscription.

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Test permissions for topic

Tests IAM permissions for a topic.

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Update `DeadLetterPolicy` on subscription

Updates the `DeadLetterPolicy` on a subscription.

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Update subscription

Updates a subscription.

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Use emulator

Configures your code to use the emulator instead of the real Pub/Sub service. Applies to C# and Java.