public function dispatch_calc( $course_id ) {

		$this->log( sprintf( 'Course data calculation dispatched for course %d.', $course_id ) );

		// Make sure we have a course.
		$course = llms_get_post( $course_id );
		if ( ! $course instanceof LLMS_Course ) {
			return null;
		}

		// Return early if we're already processing data for the given course.
		if ( $this->is_already_processing_course( $course_id ) ) {
			return $this->dispatch_calc_throttled( $course_id );
		}

		// Retrieve args.
		$args = $this->get_student_query_args( $course_id );

		// Get total number of pages.
		$query = new LLMS_Student_Query( $args );

		// No students in the course, run task completion.
		if ( ! $query->get_found_results() ) {
			return $this->task_complete( $course, $this->get_task_data(), true );
		}

		// Store the total number of students right away.
		$course->set( 'enrolled_students', $query->get_found_results() );

		// Throttle processing.
		if ( $this->maybe_throttle( $query->get_found_results(), $course_id ) ) {
			return $this->dispatch_calc_throttled( $course_id );
		}

		// Add each page to the queue.
		while ( $args['page'] <= $query->get_max_pages() ) {
			$this->push_to_queue( $args );
			$args['page']++;
		}

		// Save queue and dispatch the process.
		$this->save()->dispatch();

	}