datastore.rollback.js

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ** This file is automatically generated by gapic-generator-typescript. **
// ** https://github.com/googleapis/gapic-generator-typescript **
// ** All changes to this file may be overwritten. **



'use strict';

function main(projectId, transaction) {
  // [START datastore_v1_generated_Datastore_Rollback_async]
  /**
   * This snippet has been automatically generated and should be regarded as a code template only.
   * It will require modifications to work.
   * It may require correct/in-range values for request initialization.
   * TODO(developer): Uncomment these variables before running the sample.
   */
  /**
   *  Required. The ID of the project against which to make the request.
   */
  // const projectId = 'abc123'
  /**
   *  The ID of the database against which to make the request.
   *  '(default)' is not allowed; please use empty string '' to refer the default
   *  database.
   */
  // const databaseId = 'abc123'
  /**
   *  Required. The transaction identifier, returned by a call to
   *  Datastore.BeginTransaction google.datastore.v1.Datastore.BeginTransaction.
   */
  // const transaction = Buffer.from('string')

  // Imports the Datastore library
  const {DatastoreClient} = require('@google-cloud/datastore').v1;

  // Instantiates a client
  const datastoreClient = new DatastoreClient();

  async function callRollback() {
    // Construct request
    const request = {
      projectId,
      transaction,
    };

    // Run request
    const response = await datastoreClient.rollback(request);
    console.log(response);
  }

  callRollback();
  // [END datastore_v1_generated_Datastore_Rollback_async]
}

process.on('unhandledRejection', err => {
  console.error(err.message);
  process.exitCode = 1;
});
main(...process.argv.slice(2));