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코드 샘플
Go
import (
"context"
"fmt"
"io"
"cloud.google.com/go/pubsublite"
)
func deleteTopic(w io.Writer, projectID, region, location, topicID string) error {
// projectID := "my-project-id"
// region := "us-central1"
// NOTE: location can be either a region ("us-central1") or a zone ("us-central1-a")
// For a list of valid locations, see https://cloud.google.com/pubsub/lite/docs/locations.
// location := "us-central1"
// topicID := "my-topic"
ctx := context.Background()
client, err := pubsublite.NewAdminClient(ctx, region)
if err != nil {
return fmt.Errorf("pubsublite.NewAdminClient: %v", err)
}
defer client.Close()
topicPath := fmt.Sprintf("projects/%s/locations/%s/topics/%s", projectID, location, topicID)
err = client.DeleteTopic(ctx, topicPath)
if err != nil {
return fmt.Errorf("client.DeleteTopic got err: %v", err)
}
fmt.Fprint(w, "Deleted topic\n")
return nil
}
Java
import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.pubsublite.AdminClient;
import com.google.cloud.pubsublite.AdminClientSettings;
import com.google.cloud.pubsublite.CloudRegion;
import com.google.cloud.pubsublite.CloudRegionOrZone;
import com.google.cloud.pubsublite.CloudZone;
import com.google.cloud.pubsublite.ProjectNumber;
import com.google.cloud.pubsublite.TopicName;
import com.google.cloud.pubsublite.TopicPath;
import java.util.concurrent.ExecutionException;
public class DeleteTopicExample {
public static void main(String... args) throws Exception {
// TODO(developer): Replace these variables before running the sample.
String cloudRegion = "your-cloud-region";
char zoneId = 'b';
// Choose an existing topic.
String topicId = "your-topic-id";
long projectNumber = Long.parseLong("123456789");
// True if using a regional location. False if using a zonal location.
// https://cloud.google.com/pubsub/lite/docs/topics
boolean regional = false;
deleteTopicExample(cloudRegion, zoneId, projectNumber, topicId, regional);
}
public static void deleteTopicExample(
String cloudRegion, char zoneId, long projectNumber, String topicId, boolean regional)
throws Exception {
CloudRegionOrZone location;
if (regional) {
location = CloudRegionOrZone.of(CloudRegion.of(cloudRegion));
} else {
location = CloudRegionOrZone.of(CloudZone.of(CloudRegion.of(cloudRegion), zoneId));
}
TopicPath topicPath =
TopicPath.newBuilder()
.setProject(ProjectNumber.of(projectNumber))
.setLocation(location)
.setName(TopicName.of(topicId))
.build();
AdminClientSettings adminClientSettings =
AdminClientSettings.newBuilder().setRegion(CloudRegion.of(cloudRegion)).build();
try (AdminClient adminClient = AdminClient.create(adminClientSettings)) {
adminClient.deleteTopic(topicPath).get();
if (regional) {
System.out.println(topicPath.toString() + " (regional topic) deleted successfully.");
} else {
System.out.println(topicPath.toString() + " (zonal topic) deleted successfully.");
}
} catch (ExecutionException e) {
try {
throw e.getCause();
} catch (NotFoundException notFound) {
System.out.println("This topic is not found.");
} catch (Throwable throwable) {
throwable.printStackTrace();
}
}
}
Python
from google.api_core.exceptions import NotFound
from google.cloud.pubsublite import AdminClient
from google.cloud.pubsublite.types import CloudRegion, CloudZone, TopicPath
# TODO(developer):
# project_number = 1122334455
# cloud_region = "us-central1"
# zone_id = "a"
# topic_id = "your-topic-id"
# regional = True
cloud_region = CloudRegion(cloud_region)
topic_path = None
if regional:
# A regional topic.
topic_path = TopicPath(project_number, cloud_region, topic_id)
else:
# A zonal topic
topic_path = TopicPath(
project_number, CloudZone(cloud_region, zone_id), topic_id
)
client = AdminClient(cloud_region)
try:
client.delete_topic(topic_path)
if regional:
print(f"{topic_path} (regional topic) deleted successfully.")
else:
print(f"{topic_path} (zonal topic) deleted successfully.")
except NotFound:
print(f"{topic_path} not found.")
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