列出資料集

列出特定位置的資料集。

深入探索

如需包含這個程式碼範例的詳細說明文件，請參閱下列內容：

• 建立及管理資料集

程式碼範例

Go

在試用這個範例之前，請先按照Go「Cloud Healthcare API 快速入門：使用用戶端程式庫」中的操作說明進行設定。詳情請參閱 Cloud Healthcare API Go API 參考說明文件。

如要向 Cloud Healthcare API 進行驗證，請設定應用程式預設憑證。 詳情請參閱「為本機開發環境設定驗證」。

import (
	"context"
	"fmt"
	"io"

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

// listDatasets prints a list of datasets to w.
func listDatasets(w io.Writer, projectID string, location string) error {
	ctx := context.Background()

	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.List(parent).Do()
	if err != nil {
		return fmt.Errorf("List: %w", err)
	}

	fmt.Fprintln(w, "Datasets:")
	for _, d := range resp.Datasets {
		fmt.Fprintln(w, d.Name)
	}

	return nil
}

Java

在試用這個範例之前，請先按照Java「Cloud Healthcare API 快速入門：使用用戶端程式庫」中的操作說明進行設定。詳情請參閱 Cloud Healthcare API Java API 參考說明文件。

如要向 Cloud Healthcare API 進行驗證，請設定應用程式預設憑證。 詳情請參閱「為本機開發環境設定驗證」。

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.ListDatasetsResponse;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class DatasetList {
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void datasetList(String projectId, String regionId) throws IOException {
    // String projectId = "your-project-id";
    // String regionId = "us-central1";

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

    // Results are paginated, so multiple queries may be required.
    String parentName = String.format("projects/%s/locations/%s", projectId, regionId);
    String pageToken = null;
    List<Dataset> datasets = new ArrayList<>();
    do {
      // Create request and configure any parameters.
      Datasets.List request =
          client
              .projects()
              .locations()
              .datasets()
              .list(parentName)
              .setPageSize(100) // Specify pageSize up to 1000
              .setPageToken(pageToken);

      // Execute response and collect results.
      ListDatasetsResponse response = request.execute();
      datasets.addAll(response.getDatasets());

      // Update the page token for the next request.
      pageToken = response.getNextPageToken();
    } while (pageToken != null);

    // Print results.
    System.out.printf("Retrieved %s datasets: \n", datasets.size());
    for (Dataset data : datasets) {
      System.out.println("\t" + data.toPrettyString());
    }
  }

  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

在試用這個範例之前，請先按照Node.js「Cloud Healthcare API 快速入門：使用用戶端程式庫」中的操作說明進行設定。詳情請參閱 Cloud Healthcare API Node.js API 參考說明文件。

如要向 Cloud Healthcare API 進行驗證，請設定應用程式預設憑證。 詳情請參閱「為本機開發環境設定驗證」。

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 listDatasets = async () => {
  // TODO(developer): uncomment these lines before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  const parent = `projects/${projectId}/locations/${cloudRegion}`;
  const request = {parent};

  const dataset = await healthcare.projects.locations.datasets.list(request);
  console.log(dataset.data);
};

listDatasets();

Python

在試用這個範例之前，請先按照Python「Cloud Healthcare API 快速入門：使用用戶端程式庫」中的操作說明進行設定。詳情請參閱 Cloud Healthcare API Python API 參考說明文件。

如要向 Cloud Healthcare API 進行驗證，請設定應用程式預設憑證。 詳情請參閱「為本機開發環境設定驗證」。

# Imports the Dict and List types for runtime type hints.
from typing import Dict, List


def list_datasets(project_id: str, location: str) -> List[Dict[str, str]]:
    """Lists the datasets in the project.

    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#list
    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 location where the datasets are located.

    Returns:
      A list of Dataset resources.
    """
    # Imports HttpError from the Google Python API client errors module.
    # Imports the Google API Discovery Service.
    from googleapiclient import discovery
    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_parent = f"projects/{project_id}/locations/{location}"

    datasets = []
    request = client.projects().locations().datasets().list(parent=dataset_parent)
    while request is not None:
        try:
            response = request.execute()
            if response and "datasets" in response:
                datasets.extend(response["datasets"])
            # Paginate over results until the list_next() function returns None.
            request = (
                client.projects()
                .locations()
                .datasets()
                .list_next(previous_request=request, previous_response=response)
            )

            for dataset in datasets:
                print(
                    f"Dataset: {dataset.get('name')}\nTime zone: {dataset.get('timeZone')}"
                )

            return datasets

        except HttpError as err:
            raise err

後續步驟

如要搜尋及篩選其他 Google Cloud 產品的程式碼範例，請參閱Google Cloud 範例瀏覽器。