text: /*****************************************************************************
   * Open MCT, Copyright (c) 2014-2020, United States Government
   * as represented by the Administrator of the National Aeronautics and Space
   * Administration. All rights reserved.
   *
   * Open MCT is 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.
   *
   * Open MCT includes source code licensed under additional open source
   * licenses. See the Open Source Licenses file (LICENSES.md) included with
   * this source code distribution or the Licensing information page available
   * at runtime from the About dialog for additional information.
   *****************************************************************************/
  
  export default class CouchObjectQueue {
      constructor(object, rev) {
          this.rev = rev;
          this.objects = object ? [object] : [];
          this.pending = false;
      }
  
      updateRevision(rev) {
          this.rev = rev;
      }
  
      hasNext() {
          return this.objects.length;
      }
  
      enqueue(item) {
          this.objects.push(item);
      }
  
      dequeue() {
          return this.objects.shift();
      }
  
      clear() {
          this.rev = undefined;
          this.objects = [];
      }
  
  }
  