创建数据集。
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"
)
// createDataset creates a dataset.
func createDataset(w io.Writer, projectID, location, datasetID string) error {
// Set a deadline for the dataset to become initialized.
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
healthcareService, err := healthcare.NewService(ctx)
if err != nil {
return fmt.Errorf("healthcare.NewService: %w", err)
}
datasetsService := healthcareService.Projects.Locations.Datasets
parent := fmt.Sprintf("projects/%s/locations/%s", projectID, location)
resp, err := datasetsService.Create(parent, &healthcare.Dataset{}).DatasetId(datasetID).Context(ctx).Do()
if err != nil {
return fmt.Errorf("Create: %w", err)
}
// The dataset is not always ready to use immediately, instead a long-running operation is returned.
// This is how you might poll the operation to ensure the dataset is fully initialized before proceeding.
// Initialization usually takes less than a minute.
for !resp.Done {
time.Sleep(15 * time.Second)
resp, err = datasetsService.Operations.Get(resp.Name).Context(ctx).Do()
if err != nil {
return fmt.Errorf("Operations.Get(%s): %w", resp.Name, err)
}
}
fmt.Fprintf(w, "Created dataset: %q\n", resp.Name)
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;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.api.services.healthcare.v1.model.Dataset;
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 DatasetCreate {
private static final String DATASET_NAME = "projects/%s/locations/%s/datasets/%s";
private static final JsonFactory JSON_FACTORY = new GsonFactory();
private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();
public static void datasetCreate(String projectId, String regionId, String datasetId)
throws IOException {
// String projectId = "your-project-id";
// String regionId = "us-central1";
// String datasetId = "your-dataset-id";
// Initialize the client, which will be used to interact with the service.
CloudHealthcare client = createClient();
// Configure the dataset to be created.
Dataset dataset = new Dataset();
dataset.setTimeZone("America/Chicago");
// Create request and configure any parameters.
String parentName = String.format("projects/%s/locations/%s", projectId, regionId);
Datasets.Create request = client.projects().locations().datasets().create(parentName, dataset);
request.setDatasetId(datasetId);
// Execute the request, wait for the operation to complete, and process the results.
try {
Operation operation = request.execute();
System.out.println(operation.toPrettyString());
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("Dataset created. Response content: " + operation.getResponse());
} catch (Exception ex) {
System.out.printf("Error during request execution: %s\n", 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 createDataset = async () => {
// TODO(developer): uncomment these lines before running the sample
// const cloudRegion = 'us-central1';
// const projectId = 'adjective-noun-123';
// const datasetId = 'my-dataset';
const parent = `projects/${projectId}/locations/${cloudRegion}`;
const request = {parent, datasetId};
await healthcare.projects.locations.datasets.create(request);
console.log(`Created dataset: ${datasetId}`);
};
createDataset();
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。
# Imports the Dict type for runtime type hints.
from typing import Dict
def create_dataset(project_id: str, location: str, dataset_id: str) -> Dict[str, str]:
"""Creates a Cloud Healthcare API dataset.
See
https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/datasets
before running the sample.
See
https://googleapis.github.io/google-api-python-client/docs/dyn/healthcare_v1.projects.locations.datasets.html#create
for the Python API reference.
Args:
project_id: The project ID or project number of the Google Cloud project you want
to use.
location: The name of the dataset's location.
dataset_id: The ID of the dataset to create.
Returns:
A dictionary representing a long-running operation that results from
calling the 'CreateDataset' method. Dataset creation is typically fast.
"""
# Imports the Python built-in time module.
import time
# Imports the Google API Discovery Service.
from googleapiclient import discovery
# Imports HttpError from the Google Python API client errors module.
from googleapiclient.errors import HttpError
api_version = "v1"
service_name = "healthcare"
# Returns 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'
# location = 'us-central1'
# dataset_id = 'my-dataset'
dataset_parent = f"projects/{project_id}/locations/{location}"
request = (
client.projects()
.locations()
.datasets()
.create(parent=dataset_parent, body={}, datasetId=dataset_id)
)
# Wait for operation to complete.
start_time = time.time()
max_time = 600 # 10 minutes, but dataset creation is typically only a few seconds.
try:
operation = request.execute()
while not operation.get("done", False):
# Poll until the operation finishes.
print("Waiting for operation to finish...")
if time.time() - start_time > max_time:
raise TimeoutError("Timed out waiting for operation to finish.")
operation = (
client.projects()
.locations()
.datasets()
.operations()
.get(name=operation["name"])
.execute()
)
# Wait 5 seconds between each poll to the operation.
time.sleep(5)
if "error" in operation:
raise RuntimeError(f"Create dataset operation failed: {operation['error']}")
else:
dataset_name = operation["response"]["name"]
print(f"Created dataset: {dataset_name}")
return operation
except HttpError as err:
# A common error is when the dataset already exists.
if err.resp.status == 409:
print(f"Dataset with ID {dataset_id} already exists.")
return
else:
raise err
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。