Method getTaskById

src/service/task-queue.js:70–72

* Returns the task with the specified ID or null. * @param {string} taskId * @return {?TaskDef}

(taskId)

   * @return {?TaskDef}
   */
  getTaskById(taskId) {
    return this.taskIdMap_[taskId] || null;
  }

  /**
   * Enqueues the task. If the task is already in the queue, the error is