openmct/example/eventGenerator/EventWithAcknowledgeTelemetryProvider.js

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 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
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 * 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.
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 * License for the specific language governing permissions and limitations
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/**
 * Module defining EventTelemetryProvider. Created by chacskaylo on 06/18/2015.
 */

import EventTelemetryProvider from './EventTelemetryProvider.js';

class EventWithAcknowledgeTelemetryProvider extends EventTelemetryProvider {
  constructor() {
    super();

    this.unAcknowledgedData = undefined;
  }

  generateData(firstObservedTime, count, startTime, duration, name) {
    if (this.unAcknowledgedData === undefined) {
      const unAcknowledgedData = super.generateData(
        firstObservedTime,
        count,
        startTime,
        duration,
        name
      );
      unAcknowledgedData.messageId = unAcknowledgedData.message;
      this.unAcknowledgedData = unAcknowledgedData;

      return this.unAcknowledgedData;
    } else {
      const acknowledgedData = {
        ...this.unAcknowledgedData,
        acknowledge: 'OK'
      };

      this.unAcknowledgedData = undefined;

      return acknowledgedData;
    }
  }

  supportsRequest(domainObject) {
    return false;
  }

  supportsSubscribe(domainObject) {
    return domainObject.type === 'eventGeneratorWithAcknowledge';
  }
}

export default EventWithAcknowledgeTelemetryProvider;