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package com.jeesuite.mybatis.plugin.pagination;

import java.util.List;

public class PageExecutor {

	private static ThreadLocal pageParamsHolder = new ThreadLocal<>();
	
	public static interface PageDataLoader {
		List load();
	}
	
	@SuppressWarnings("unchecked")
	public static  Page pagination(PageParams pageParams,PageDataLoader dataLoader ){
		pageParamsHolder.set(pageParams);
		List list = dataLoader.load();
		return (Page) list.get(0);
	}
	
	public static PageParams getPageParams(){
		return pageParamsHolder.get();
	}
	
	public static void clearPageParams(){
		pageParamsHolder.remove();
	}
	
}