logger.warn("Failed to update scores.", e);
                resultBuf.append(e.getMessage()).append('\n');
            }
        });
        return resultBuf.toString();
    }

    protected void addScoreBooster(final ScoreBooster scoreBooster) {
        scoreBoosterList.add(scoreBooster);
        scoreBoosterList.sort((b1, b2) -> b2.getPriority() - b1.getPriority());
    }

    };

    public abstract long process();

    protected void enable() {
        final ScoreUpdater scoreUpdater = ComponentUtil.getComponent("scoreUpdater");
        scoreUpdater.addScoreBooster(this);
    }

    protected long updateScore(final Map<String, Object> params) {
        return requestHandler.apply(params);
    }

    protected UpdateRequestBuilder createUpdateRequestBuilder() {