Exporter des ressources FHIR vers Cloud Storage

Exportez les ressources d'un magasin FHIR vers Cloud Storage.

En savoir plus

Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :

Importer et exporter des ressources FHIR à l'aide de Cloud Storage

Exemple de code

Go

Avant d'essayer cet exemple, suivez les instructions de configuration de Go dans le guide de démarrage rapide de l'API Cloud Healthcare à l'aide des bibliothèques clientes. Pour en savoir plus, consultez la documentation de référence de l'API Go de l'API Cloud Healthcare.

Pour vous authentifier auprès de l'API Cloud Healthcare, configurez les Identifiants par défaut de l'application. Pour en savoir plus, consultez Configurer l'authentification pour un environnement de développement local.

import (
	"context"
	"fmt"
	"io"
	"time"

	healthcare "google.golang.org/api/healthcare/v1"
)

// exportFHIRResource exports the resources in the FHIR store.
func exportFHIRResource(w io.Writer, projectID, location, datasetID, fhirStoreID, gcsURIPrefix string) error {
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %w", err)
	}

	storesService := healthcareService.Projects.Locations.Datasets.FhirStores

	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/fhirStores/%s", projectID, location, datasetID, fhirStoreID)
	req := &healthcare.ExportResourcesRequest{
		GcsDestination: &healthcare.GoogleCloudHealthcareV1FhirGcsDestination{
			UriPrefix: gcsURIPrefix,
		},
	}

	op, err := storesService.Export(name, req).Do()
	if err != nil {
		return fmt.Errorf("Export: %w", err)
	}

	operationsService := healthcareService.Projects.Locations.Datasets.Operations
	ticker := time.NewTicker(1 * time.Second)
	defer ticker.Stop()
	for {
		select {
		case <-ctx.Done():
			return ctx.Err()
		case <-ticker.C:
			newOp, err := operationsService.Get(op.Name).Do()
			if err != nil {
				return fmt.Errorf("operationsService.Get(%q): %v", op.Name, err)
			}
			if newOp.Done {
				if newOp.Error != nil {
					return fmt.Errorf("export operation %q completed with error: %v", op.Name, newOp.Error)
				}
				return nil
			}
		}
	}
}

Java

Avant d'essayer cet exemple, suivez les instructions de configuration de Java dans le guide de démarrage rapide de l'API Cloud Healthcare à l'aide des bibliothèques clientes. Pour en savoir plus, consultez la documentation de référence de l'API Java de l'API Cloud Healthcare.

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcare.Projects.Locations.Datasets.FhirStores;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.api.services.healthcare.v1.model.ExportResourcesRequest;
import com.google.api.services.healthcare.v1.model.GoogleCloudHealthcareV1FhirGcsDestination;
import com.google.api.services.healthcare.v1.model.Operation;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.util.Collections;

public class FhirStoreExport {
  private static final String FHIR_NAME = "projects/%s/locations/%s/datasets/%s/fhirStores/%s";
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void fhirStoreExport(String fhirStoreName, String gcsUri) throws IOException {
    // String fhirStoreName =
    //    String.format(
    //        FHIR_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-fhir-id");
    // String gcsUri = "gs://your-bucket-id/path/to/destination/dir"

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    // Configure where the store will be exported too.
    GoogleCloudHealthcareV1FhirGcsDestination gcsDestination =
        new GoogleCloudHealthcareV1FhirGcsDestination().setUriPrefix(gcsUri);
    ExportResourcesRequest exportRequest =
        new ExportResourcesRequest().setGcsDestination(gcsDestination);

    // Create request and configure any parameters.
    FhirStores.Export request =
        client.projects().locations().datasets().fhirStores().export(fhirStoreName, exportRequest);

    // Execute the request, wait for the operation to complete, and process the results.
    try {
      Operation operation = request.execute();
      while (operation.getDone() == null || !operation.getDone()) {
        // Update the status of the operation with another request.
        Thread.sleep(500); // Pause for 500ms between requests.
        operation =
            client
                .projects()
                .locations()
                .datasets()
                .operations()
                .get(operation.getName())
                .execute();
      }
      System.out.println("Fhir store export complete." + operation.getResponse());
    } catch (Exception ex) {
      System.out.printf("Error during request execution: %s", ex.toString());
      ex.printStackTrace(System.out);
    }
  }

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see https://cloud.google.com/docs/authentication/production
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout
        };

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)
        .setApplicationName("your-application-name")
        .build();
  }
}

Node.js

Avant d'essayer cet exemple, suivez les instructions de configuration de Node.js dans le guide de démarrage rapide de l'API Cloud Healthcare à l'aide des bibliothèques clientes. Pour en savoir plus, consultez la documentation de référence de l'API Node.js de l'API Cloud Healthcare.

const google = require('@googleapis/healthcare');
const healthcare = google.healthcare({
  version: 'v1',
  auth: new google.auth.GoogleAuth({
    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
  }),
});
const sleep = ms => {
  return new Promise(resolve => setTimeout(resolve, ms));
};

const exportFhirResourcesGcs = async () => {
  // TODO(developer): uncomment these lines before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  // const datasetId = 'my-dataset';
  // const fhirStoreId = 'my-fhir-store';
  // const gcsUri = 'my-bucket/my-directory'
  const name = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/fhirStores/${fhirStoreId}`;
  const request = {
    name,
    resource: {
      gcsDestination: {
        // The destination location in Cloud Storage for the FHIR resources
        uriPrefix: `gs://${gcsUri}`,
      },
    },
  };

  const operation =
    await healthcare.projects.locations.datasets.fhirStores.export(request);
  const operationName = operation.data.name;

  // Wait ten seconds for the LRO to finish
  await sleep(10000);

  // Check the LRO's status
  const operationStatus =
    await healthcare.projects.locations.datasets.operations.get({
      name: operationName,
    });

  if (typeof operationStatus.data.metadata.counter !== 'undefined') {
    console.log('Exported FHIR resources successfully');
  } else {
    console.log('Export failed');
  }
};

exportFhirResourcesGcs();

Python

Avant d'essayer cet exemple, suivez les instructions de configuration de Python dans le guide de démarrage rapide de l'API Cloud Healthcare à l'aide des bibliothèques clientes. Pour en savoir plus, consultez la documentation de référence de l'API Python de l'API Cloud Healthcare.

def export_fhir_store_gcs(project_id, location, dataset_id, fhir_store_id, gcs_uri):
    """Export resources to a Google Cloud Storage bucket by copying
    them from the FHIR store.

    See https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/fhir
    before running the sample."""
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery

    api_version = "v1"
    service_name = "healthcare"
    # Instantiates an authorized API client by discovering the Healthcare API
    # and using GOOGLE_APPLICATION_CREDENTIALS environment variable.
    client = discovery.build(service_name, api_version)

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'  # replace with your GCP project ID
    # location = 'us-central1'  # replace with the parent dataset's location
    # dataset_id = 'my-dataset'  # replace with the parent dataset's ID
    # fhir_store_id = 'my-fhir-store' # replace with the FHIR store ID
    # gcs_uri = 'my-bucket' # replace with a Cloud Storage bucket
    fhir_store_parent = "projects/{}/locations/{}/datasets/{}".format(
        project_id, location, dataset_id
    )
    fhir_store_name = f"{fhir_store_parent}/fhirStores/{fhir_store_id}"

    body = {"gcsDestination": {"uriPrefix": f"gs://{gcs_uri}/fhir_export"}}

    request = (
        client.projects()
        .locations()
        .datasets()
        .fhirStores()
        .export(name=fhir_store_name, body=body)
    )

    response = request.execute()
    print(f"Exported FHIR resources to bucket: gs://{gcs_uri}")

    return response

Étapes suivantes

Pour rechercher et filtrer des exemples de code pour d'autres produits Google Cloud, consultez l'exemple de navigateur Google Cloud.