text: /*
   * Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
   *
   * 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
   *
   * http://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.
   */
  'use strict';
  
  const { Client } = require('hazelcast-client');
  
  (async () => {
      try {
          // Start the Hazelcast Client and connect to an already running
          // Hazelcast Cluster on 127.0.0.1
          // Note: CP Subsystem has to be enabled on the cluster
          const hz = await Client.newHazelcastClient();
          // Get the AtomicLong counter from Cluster
          const counter = await hz.getCPSubsystem().getAtomicLong('counter');
          // Add and get the counter
          const value = await counter.addAndGet(3);
          console.log('Counter value is', value);
          // Shutdown this Hazelcast client
          await hz.shutdown();
      } catch (err) {
          console.error('Error occurred:', err);
      }
  })();
  