将资源从 FHIR 存储区导出到 Cloud Storage。
深入探索
如需查看包含此代码示例的详细文档，请参阅以下内容：
代码示例
Go
在试用此示例之前，请按照使用客户端库的 Cloud Healthcare API 快速入门中的 Go 设置说明进行操作。如需了解详情，请参阅 Cloud Healthcare API Go API 参考文档。
如需向 Cloud Healthcare API 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"
"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
在试用此示例之前，请按照使用客户端库的 Cloud Healthcare API 快速入门中的 Java 设置说明进行操作。如需了解详情，请参阅 Cloud Healthcare API Java API 参考文档。
如需向 Cloud Healthcare API 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 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
在试用此示例之前，请按照使用客户端库的 Cloud Healthcare API 快速入门中的 Node.js 设置说明进行操作。如需了解详情，请参阅 Cloud Healthcare API Node.js API 参考文档。
如需向 Cloud Healthcare API 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。
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
在试用此示例之前，请按照使用客户端库的 Cloud Healthcare API 快速入门中的 Python 设置说明进行操作。如需了解详情，请参阅 Cloud Healthcare API Python API 参考文档。
如需向 Cloud Healthcare API 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。
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
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。