package com.yoho.search.common.downgrade;

public interface IDowngrade {

	/**
	 * 当前是否需要降级
	 * 
	 * @return
	 */
	public boolean needDowngrade();

	/**
	 * 试图执行降级操作
	 * 
	 * @return
	 */
	public void tryDowngrade();

}