列出传输配置

列出项目中的所有转移作业配置。

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

Java

试用此示例之前，请按照 BigQuery 快速入门：使用客户端库中的 Java 设置说明进行操作。 如需了解详情，请参阅 BigQuery Java API 参考文档。

如需向 BigQuery 进行身份验证，请设置应用默认凭证。如需了解详情，请参阅为客户端库设置身份验证。 

import com.google.api.gax.rpc.ApiException;
import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient;
import com.google.cloud.bigquery.datatransfer.v1.ListTransferConfigsRequest;
import com.google.cloud.bigquery.datatransfer.v1.ProjectName;
import java.io.IOException;

// Sample to get list of transfer config
public class ListTransferConfigs {

  public static void main(String[] args) throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    final String projectId = "MY_PROJECT_ID";
    listTransferConfigs(projectId);
  }

  public static void listTransferConfigs(String projectId) throws IOException {
    try (DataTransferServiceClient dataTransferServiceClient = DataTransferServiceClient.create()) {
      ProjectName parent = ProjectName.of(projectId);
      ListTransferConfigsRequest request =
          ListTransferConfigsRequest.newBuilder().setParent(parent.toString()).build();
      dataTransferServiceClient
          .listTransferConfigs(request)
          .iterateAll()
          .forEach(config -> System.out.print("Success! Config ID :" + config.getName() + "\n"));
    } catch (ApiException ex) {
      System.out.println("Config list not found due to error." + ex.toString());
    }
  }
}

Node.js

试用此示例之前，请按照 BigQuery 快速入门：使用客户端库中的 Node.js 设置说明进行操作。 如需了解详情，请参阅 BigQuery Node.js API 参考文档。

如需向 BigQuery 进行身份验证，请设置应用默认凭证。如需了解详情，请参阅为客户端库设置身份验证。 

const {
  DataTransferServiceClient,
} = require('@google-cloud/bigquery-data-transfer');
const {status} = require('@grpc/grpc-js');

const client = new DataTransferServiceClient();

/**
 * Lists all transfer configurations for a project.
 * This shows how to iterate through all the transfer configurations in a project.
 *
 * @param {string} projectId Google Cloud Project ID (for example, 'example-project-id').
 * @param {string} [location="us-central1"] Google Cloud location (for example, 'us-central1').
 */
async function listTransferConfigs(projectId, location = 'us-central1') {
  const request = {
    parent: `projects/${projectId}/locations/${location}`,
  };

  try {
    const [configs] = await client.listTransferConfigs(request);

    if (configs.length === 0) {
      console.error(
        `No transfer configurations found in project '${projectId}' at location '${location}'.`,
      );
      return;
    }

    console.log(`Found ${configs.length} transfer configurations:`);
    for (const config of configs) {
      console.log(`\nConfiguration: ${config.name}`);
      console.log(`  Display Name: ${config.displayName}`);
      console.log(`  Data Source ID: ${config.dataSourceId}`);
      console.log(`  Destination Dataset ID: ${config.destinationDatasetId}`);
      console.log(`  State: ${config.state}`);
    }
  } catch (err) {
    if (err.code === status.NOT_FOUND) {
      console.error(
        `Project '${projectId}' not found or BigQuery Data Transfer API is not enabled.`,
      );
    } else {
      console.error('Error listing transfer configurations:', err);
    }
  }
}

Python

试用此示例之前，请按照 BigQuery 快速入门：使用客户端库中的 Python 设置说明进行操作。 如需了解详情，请参阅 BigQuery Python API 参考文档。

如需向 BigQuery 进行身份验证，请设置应用默认凭证。如需了解详情，请参阅为客户端库设置身份验证。 

from google.cloud import bigquery_datatransfer

transfer_client = bigquery_datatransfer.DataTransferServiceClient()

project_id = "my-project"
parent = transfer_client.common_project_path(project_id)

configs = transfer_client.list_transfer_configs(parent=parent)
print("Got the following configs:")
for config in configs:
    print(f"\tID: {config.name}, Schedule: {config.schedule}")

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。