@openhps/core/dist/esm/service/KeyValueDataService.js

Open Hybrid Positioning System - Core component

import { DataService } from './DataService';
import { MemoryDataService } from './MemoryDataService';
/**
 * Basic key value data service. This data service can be used to communicate
 * between workers and the main thread.
 */
export class KeyValueDataService extends DataService {
  constructor(uid, dataServiceDriver) {
    super(dataServiceDriver);
    if (!dataServiceDriver) {
      this.driver = new MemoryDataService(Object, {
        serialize: d => d,
        deserialize: d => d
      });
      this.driver.dataType = Object;
    }
    this.uid = uid || this.constructor.name;
  }
  /**
   * Get the value of a key
   * @param {string} key Key
   * @returns {Promise<any>} Promise of the value
   */
  getValue(key) {
    return this.findByUID(key);
  }
  /**
   * Set a value
   * @param {string} key Key to use
   * @param {any} value Value to store
   * @returns {Promise<void>} Promise of setting the value
   */
  setValue(key, value) {
    this.emit('set', key, value);
    return this.insert(key, value);
  }
}