Obtenir des métadonnées de connexion
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Récupérez les métadonnées de connexion dans BigQuery. Les secrets des identifiants ne sont pas renvoyés.
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Pour obtenir une documentation détaillée incluant cet exemple de code, consultez la page suivante :
Exemple de code
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Difficile à comprendre","hardToUnderstand","thumb-down"],["Informations ou exemple de code incorrects","incorrectInformationOrSampleCode","thumb-down"],["Il n'y a pas l'information/les exemples dont j'ai besoin","missingTheInformationSamplesINeed","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Autre","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code sample demonstrates how to retrieve connection metadata from BigQuery using the Java client library.\u003c/p\u003e\n"],["\u003cp\u003eCredential secrets are not included in the data returned when fetching connection information.\u003c/p\u003e\n"],["\u003cp\u003eThe sample requires setting up Application Default Credentials for authentication and uses the \u003ccode\u003eConnectionServiceClient\u003c/code\u003e to interact with BigQuery.\u003c/p\u003e\n"],["\u003cp\u003eTo run, the sample requires the replacement of placeholder values for the project ID, location, and connection ID.\u003c/p\u003e\n"],["\u003cp\u003eThe sample shows how to construct a request using \u003ccode\u003eGetConnectionRequest\u003c/code\u003e and retrieve connection details with \u003ccode\u003eclient.getConnection(request)\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Get connection metadata\n\nRetrieve connection metadata from BigQuery. Credential secrets are not returned.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage connections](/bigquery/docs/working-with-connections)\n\nCode sample\n-----------\n\n### Java\n\n\nBefore trying this sample, follow the Java setup instructions in the\n[BigQuery quickstart using\nclient libraries](/bigquery/docs/quickstarts/quickstart-client-libraries).\n\n\nFor more information, see the\n[BigQuery Java API\nreference documentation](/java/docs/reference/google-cloud-bigquery/latest/overview).\n\n\nTo authenticate to BigQuery, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for client libraries](/bigquery/docs/authentication#client-libs).\n\n import com.google.cloud.bigquery.connection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.Connection.html;\n import com.google.cloud.bigquery.connection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html;\n import com.google.cloud.bigquery.connection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.GetConnectionRequest.html;\n import com.google.cloud.bigqueryconnection.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html;\n import java.io.IOException;\n\n // Sample to get connection\n public class GetConnection {\n\n public static void main(String[] args) throws IOException {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"MY_PROJECT_ID\";\n String location = \"MY_LOCATION\";\n String connectionId = \"MY_CONNECTION_ID\";\n getConnection(projectId, location, connectionId);\n }\n\n static void getConnection(String projectId, String location, String connectionId)\n throws IOException {\n try (https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html client = https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigqueryconnection.v1.ConnectionServiceClient.html.create()) {\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html name = https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html.of(projectId, location, connectionId);\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.GetConnectionRequest.html request =\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.GetConnectionRequest.html.newBuilder().setName(name.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.ConnectionName.html#com_google_cloud_bigquery_connection_v1_ConnectionName_toString__()).build();\n https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.Connection.html response = client.getConnection(request);\n System.out.println(\"Connection info retrieved successfully :\" + response.https://cloud.google.com/java/docs/reference/google-cloud-bigqueryconnection/latest/com.google.cloud.bigquery.connection.v1.Connection.html#com_google_cloud_bigquery_connection_v1_Connection_getName__());\n }\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigqueryconnection)."]]