Die Produktsuche befindet sich im Wartungsmodus. Für eine bessere Skalierbarkeit und dieselben Funktionen wie bei der Produktsuche können Sie das Vision Warehouse verwenden.

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Verwaiste Produkte löschen

Hier wird gezeigt, wie Sie mehrere verwaiste Produkte auf einmal löschen.

Weitere Informationen

Eine ausführliche Dokumentation, die dieses Codebeispiel enthält, finden Sie hier:

Ressourcen löschen

Codebeispiel

Go

Informationen zum Installieren und Verwenden der Clientbibliothek für die Vision API-Produktsuche finden Sie unter Vision API-Produktsuche-Clientbibliotheken. Weitere Informationen finden Sie in der Vision API Produktsuche Go API Referenzdokumentation.

Richten Sie zur Authentifizierung bei der Vision API-Produktsuche Standardanmeldedaten für Anwendungen ein. Weitere Informationen finden Sie unter Authentifizierung für eine lokale Entwicklungsumgebung einrichten.

import (
	"context"
	"fmt"
	"io"

	vision "cloud.google.com/go/vision/apiv1"
	"cloud.google.com/go/vision/v2/apiv1/visionpb"
)

// purgeOrphanProducts deletes all products not in any product sets.
func purgeOrphanProducts(w io.Writer, projectID string, location string) error {
	// projectID := "your-gcp-project-id"
	// location := "us-west1"

	ctx := context.Background()
	c, err := vision.NewProductSearchClient(ctx)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	defer c.Close()

	req := &visionpb.PurgeProductsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, location),
		Target: &visionpb.PurgeProductsRequest_DeleteOrphanProducts{
			DeleteOrphanProducts: true,
		},
		Force: true,
	}

	// The purge operation is async.
	op, err := c.PurgeProducts(ctx, req)
	if err != nil {
		return fmt.Errorf("NewProductSearchClient: %w", err)
	}
	fmt.Fprintf(w, "Processing operation name: %q\n", op.Name())

	if err := op.Wait(ctx); err != nil {
		return fmt.Errorf("Wait: %w", err)
	}

	fmt.Fprintf(w, "Orphan products deleted.\n")

	return nil
}

Java

import com.google.api.gax.longrunning.OperationFuture;
import com.google.cloud.vision.v1.BatchOperationMetadata;
import com.google.cloud.vision.v1.LocationName;
import com.google.cloud.vision.v1.ProductSearchClient;
import com.google.cloud.vision.v1.PurgeProductsRequest;
import com.google.protobuf.Empty;
import java.util.concurrent.TimeUnit;

public class PurgeProducts {

  // Delete the product and all its reference images.
  public static void purgeOrphanProducts(String projectId, String computeRegion) throws Exception {

    // String projectId = "YOUR_PROJECT_ID";
    // String computeRegion = "us-central1";
    // boolean force = true;

    try (ProductSearchClient client = ProductSearchClient.create()) {
      String parent = LocationName.format(projectId, computeRegion);

      // The purge operation is async.
      PurgeProductsRequest request =
          PurgeProductsRequest.newBuilder()
              .setDeleteOrphanProducts(true)
              // The operation is irreversible and removes multiple products.
              // The user is required to pass in force=True to actually perform the
              // purge.
              // If force is not set to True, the service raises an exception.
              .setForce(true)
              .setParent(parent)
              .build();

      OperationFuture<Empty, BatchOperationMetadata> response = client.purgeProductsAsync(request);
      response.getPollingFuture().get(180, TimeUnit.SECONDS);

      System.out.println("Orphan products deleted.");
    }
  }
}

Node.js

// Imports the Google Cloud client library
const vision = require('@google-cloud/vision');

// Creates a client
const client = new vision.ProductSearchClient();

async function purgeOrphanProducts() {
  // Deletes all products not in any product sets.

  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const projectId = 'Your Google Cloud project Id';
  // const location = 'A compute region name';

  const formattedParent = client.locationPath(projectId, location);

  // The operation is irreversible and removes multiple products.
  // The user is required to pass in force=true to actually perform the purge.
  // If force is not set to True, the service raises an error.
  const force = true;

  try {
    const [operation] = await client.purgeProducts({
      parent: formattedParent,
      deleteOrphanProducts: true,
      force: force,
    });
    await operation.promise();
    console.log('Orphan products deleted.');
  } catch (err) {
    console.log(err);
  }
}
purgeOrphanProducts();

Python

from google.cloud import vision
from google.protobuf import field_mask_pb2 as field_mask

def purge_orphan_products(project_id, location, force):
    """Delete all products not in any product sets.
    Args:
        project_id: Id of the project.
        location: A compute region name.
    """
    client = vision.ProductSearchClient()

    parent = f"projects/{project_id}/locations/{location}"

    # The purge operation is async.
    operation = client.purge_products(
        request={
            "parent": parent,
            "delete_orphan_products": True,
            # The operation is irreversible and removes multiple products.
            # The user is required to pass in force=True to actually perform the
            # purge.
            # If force is not set to True, the service raises an exception.
            "force": force,
        }
    )

    operation.result(timeout=500)

    print("Orphan products deleted.")

Nächste Schritte

Informationen zum Suchen und Filtern von Codebeispielen für andere Google Cloud-Produkte finden Sie im Google Cloud-Beispielbrowser.