* @param scoreBooster The score booster.
     */
    protected void addScoreBooster(final ScoreBooster scoreBooster) {
        scoreBoosterList.add(scoreBooster);
        scoreBoosterList.sort((b1, b2) -> b2.getPriority() - b1.getPriority());
    }

     *
     * @return the priority value
     */
    public int getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this ingester.
     * Lower numbers indicate higher priority.
     *
     * @param priority the priority value to set
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**

    /**
     * Gets the priority of this score booster.
     * @return The priority.
     */
    public int getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this score booster.
     * @param priority The priority.
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**
     * Sets the request timeout.

   *
   * @param priority the priority for new Threads created with this ThreadFactory
   * @return this for the builder pattern
   */
  @CanIgnoreReturnValue
  public ThreadFactoryBuilder setPriority(int priority) {
    // Thread#setPriority() already checks for validity. These error messages
    // are nicer though and will fail-fast.
    checkArgument(
        priority >= Thread.MIN_PRIORITY,

        TestScoreBooster booster1 = new TestScoreBooster(100L);
        booster1.setPriority(1);
        TestScoreBooster booster2 = new TestScoreBooster(200L);
        booster2.setPriority(1);
        TestScoreBooster booster3 = new TestScoreBooster(300L);
        booster3.setPriority(1);

        scoreUpdater.addScoreBooster(booster1);
        scoreUpdater.addScoreBooster(booster2);

            initParamMap.put(Constants.CRAWLING_INFO_ID, sid);

            final DataCrawlingThread dataCrawlingThread = new DataCrawlingThread(dataConfig, indexUpdateCallback, initParamMap);
            dataCrawlingThread.setPriority(crawlerPriority);
            dataCrawlingThread.setName(sid);
            dataCrawlingThread.setDaemon(true);

            dataCrawlingThreadList.add(dataCrawlingThread);

        }

        // run index update
        final IndexUpdater indexUpdater = ComponentUtil.getIndexUpdater();
        indexUpdater.setName("IndexUpdater");
        indexUpdater.setPriority(indexUpdaterPriority);
        indexUpdater.setSessionIdList(sessionIdList);
        indexUpdater.setDaemon(true);
        indexUpdater.setCrawlerList(crawlerList);