v1 在创建主题时创建架构(已废弃)

(已弃用)在创建主题时创建架构

代码示例

Go

在尝试此示例之前,请按照《Pub/Sub 快速入门:使用客户端库》中的 Go 设置说明执行操作。如需了解详情,请参阅 Pub/Sub Go API 参考文档

如需向 Pub/Sub 进行身份验证,请设置应用默认凭据。如需了解详情,请参阅为本地开发环境设置身份验证

import (
	"context"
	"fmt"
	"io"

	"cloud.google.com/go/pubsub"
)

func createTopicWithSchema(w io.Writer, projectID, topicID, schemaID string, encoding pubsub.SchemaEncoding) error {
	// projectID := "my-project-id"
	// topicID := "my-topic"
	// schemaID := "my-schema-id"
	// encoding := pubsub.EncodingJSON
	ctx := context.Background()
	client, err := pubsub.NewClient(ctx, projectID)
	if err != nil {
		return fmt.Errorf("pubsub.NewClient: %w", err)
	}

	tc := &pubsub.TopicConfig{
		SchemaSettings: &pubsub.SchemaSettings{
			Schema:   fmt.Sprintf("projects/%s/schemas/%s", projectID, schemaID),
			Encoding: encoding,
		},
	}
	t, err := client.CreateTopicWithConfig(ctx, topicID, tc)
	if err != nil {
		return fmt.Errorf("CreateTopicWithConfig: %w", err)
	}
	fmt.Fprintf(w, "Topic with schema created: %#v\n", t)
	return nil
}

Ruby

在尝试此示例之前,请按照《Pub/Sub 快速入门:使用客户端库》中的 Ruby 设置说明执行操作。如需了解详情,请参阅 Pub/Sub Ruby API 参考文档

如需向 Pub/Sub 进行身份验证,请设置应用默认凭据。如需了解详情,请参阅为本地开发环境设置身份验证

# topic_id = "your-topic-id"
# schema_id = "your-schema-id"
# Choose either BINARY or JSON as valid message encoding in this topic.
# message_encoding = :binary

pubsub = Google::Cloud::Pubsub.new

topic = pubsub.create_topic topic_id, schema_name: schema_id, message_encoding: message_encoding

puts "Topic #{topic.name} created."

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例,请参阅Google Cloud 示例浏览器