List connections

List all connection metadata in a project.

Explore further

For detailed documentation that includes this code sample, see the following:

• Manage connections

Code sample

Java

Before trying this sample, follow the Java setup instructions in the BigQuery quickstart using client libraries. For more information, see the BigQuery Java API reference documentation.

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

import com.google.cloud.bigquery.connection.v1.ListConnectionsRequest;
import com.google.cloud.bigquery.connection.v1.LocationName;
import com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient;
import java.io.IOException;

// Sample to get list of connections
public class ListConnections {

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

  static void listConnections(String projectId, String location) throws IOException {
    try (ConnectionServiceClient client = ConnectionServiceClient.create()) {
      LocationName parent = LocationName.of(projectId, location);
      int pageSize = 10;
      ListConnectionsRequest request =
          ListConnectionsRequest.newBuilder()
              .setParent(parent.toString())
              .setPageSize(pageSize)
              .build();
      client
          .listConnections(request)
          .iterateAll()
          .forEach(con -> System.out.println("Connection Id :" + con.getName()));
    }
  }
}

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