Visualizzare lo stato di un blocco basato su eventi predefinito

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Esempio di come ottenere lo stato di un blocco predefinito basato su eventi.

Per saperne di più

Per una documentazione dettagliata che includa questo esempio di codice, consulta quanto segue:

Esempio di codice

C#

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage C#.


using Google.Cloud.Storage.V1;
using System;

public class GetDefaultEventBasedHoldSample
{
    public bool GetDefaultEventBasedHold(string bucketName = "your-unique-bucket-name")
    {
        var storage = StorageClient.Create();
        var bucket = storage.GetBucket(bucketName);
        bool defaultEventBasedHold = bucket.DefaultEventBasedHold ?? false;
        Console.WriteLine($"Default event-based hold: {defaultEventBasedHold}");
        return defaultEventBasedHold;
    }
}

C++

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage C++.

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name) {
  StatusOr<gcs::BucketMetadata> bucket_metadata =
      client.GetBucketMetadata(bucket_name);

  if (!bucket_metadata) {
    throw std::runtime_error(bucket_metadata.status().message());
  }

  std::cout << "The default event-based hold for objects in bucket "
            << bucket_metadata->name() << " is "
            << (bucket_metadata->default_event_based_hold() ? "enabled"
                                                            : "disabled")
            << "\n";
}

Go

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage Go.

ctx := context.Background()

ctx, cancel := context.WithTimeout(ctx, time.Second*10)
defer cancel()
attrs, err := c.Bucket(bucketName).Attrs(ctx)
if err != nil {
	return nil, err
}
log.Printf("Default event-based hold enabled? %t\n",
	attrs.DefaultEventBasedHold)

Java

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage Java.


import com.google.cloud.storage.Bucket;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageException;
import com.google.cloud.storage.StorageOptions;

public class GetDefaultEventBasedHold {
  public static void getDefaultEventBasedHold(String projectId, String bucketName)
      throws StorageException {
    // The ID of your GCP project
    // String projectId = "your-project-id";

    // The ID of your GCS bucket
    // String bucketName = "your-unique-bucket-name";

    Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();
    Bucket bucket =
        storage.get(
            bucketName,
            Storage.BucketGetOption.fields(Storage.BucketField.DEFAULT_EVENT_BASED_HOLD));

    if (bucket.getDefaultEventBasedHold() != null && bucket.getDefaultEventBasedHold()) {
      System.out.println("Default event-based hold is enabled for " + bucketName);
    } else {
      System.out.println("Default event-based hold is not enabled for " + bucketName);
    }
  }
}

Node.js

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage Node.js.

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCS bucket
// const bucketName = 'your-unique-bucket-name';

// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');

// Creates a client
const storage = new Storage();

async function getDefaultEventBasedHold() {
  const [metadata] = await storage.bucket(bucketName).getMetadata();
  console.log(`Default event-based hold: ${metadata.defaultEventBasedHold}.`);
}

getDefaultEventBasedHold().catch(console.error);

PHP

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage PHP.

use Google\Cloud\Storage\StorageClient;

/**
 * Enables a default event-based hold for a bucket.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 */
function get_default_event_based_hold($bucketName)
{
    // $bucketName = 'my-bucket';

    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);

    if ($bucket->info()['defaultEventBasedHold']) {
        printf('Default event-based hold is enabled for ' . $bucketName . PHP_EOL);
    } else {
        printf('Default event-based hold is not enabled for ' . $bucketName . PHP_EOL);
    }
}

Python

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage Python.

from google.cloud import storage

def get_default_event_based_hold(bucket_name):
    """Gets the default event based hold on a given bucket"""
    # bucket_name = "my-bucket"

    storage_client = storage.Client()

    bucket = storage_client.get_bucket(bucket_name)

    if bucket.default_event_based_hold:
        print(f"Default event-based hold is enabled for {bucket_name}")
    else:
        print(
            f"Default event-based hold is not enabled for {bucket_name}"
        )

Ruby

Per ulteriori informazioni, consulta la documentazione di riferimento dell'API Cloud Storage Ruby.

def get_default_event_based_hold bucket_name:
  # The ID of your GCS bucket
  # bucket_name = "your-unique-bucket-name"

  require "google/cloud/storage"

  storage = Google::Cloud::Storage.new
  bucket  = storage.bucket bucket_name

  if bucket.default_event_based_hold?
    puts "Default event-based hold is enabled for #{bucket_name}."
  else
    puts "Default event-based hold is not enabled for #{bucket_name}."
  end
end

Passaggi successivi

Per cercare e filtrare esempi di codice per altri prodotti Google Cloud, consulta la pagina Browser di esempio Google Cloud.