package?nudt.isiteam.PageRank;
import?java.io.BufferedReader;
import?java.io.FileReader;
import?java.io.IOException;
import?java.util.HashMap;
import?java.util.Iterator;
import?java.util.Set;
/**
?*?PageRank
?*?nudt.isiteam.PageRank?--?Convergence.java??
?*?@author?GuoLiang
?*?May?27?2014?-?7:46:13?AM
?*/
public?class?Convergence{
	
	public?static?double?calDistance（String?filePath1?String?filePath2）{
		HashMap?map1=Convergence.readFile（filePath1）;
		HashMap?map2=Convergence.readFile（filePath2）;
		double?distance=0;
		Set?keySet=map1.keySet（）;
		Iterator?itr=keySet.iterator（）;
		while（itr.hasNext（））{
			String?key=itr.next（）;
			distance+=Math.pow（map1.get（key）-map2.get（key）2）;
		}
		
		return?distance;
		
	}
	
	public?static?HashMap?readFile（String?filePath）{
		HashMap?map?=?new?HashMap（）;
		try?{
			FileReader?fr?=?new?FileReader（filePath）;
			BufferedReader?br?=?new?BufferedReader（fr）;
			String?prStr?=?““;
			
			while?（（prStr?=?br.readLine（））?!=?null）?{
				String[]?values?=?prStr.split（“\\s+“）;
				if?（!map.containsKey（values[0]））?{
					map.put（values[0]?Double.valueOf（values[1]））;
				}
			}
			
			br.close（）;
			fr.close（）;
		}?catch?（IOException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}
		return?map;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-09-02?18:50??PageRank\
?????目錄???????????0??2014-05-27?23:19??PageRank\PageRank\
?????文件????????4284??2014-05-13?10:24??PageRank\PageRank\.classpath
?????文件?????????419??2014-05-13?10:24??PageRank\PageRank\.project
?????目錄???????????0??2014-05-13?10:42??PageRank\PageRank\.settings\
?????文件????????5165??2014-05-13?10:45??PageRank\PageRank\.settings\org.eclipse.jdt.ui.prefs
?????目錄???????????0??2014-05-27?22:08??PageRank\PageRank\bin\
?????目錄???????????0??2014-05-27?22:08??PageRank\PageRank\bin\nudt\
?????目錄???????????0??2014-05-27?22:08??PageRank\PageRank\bin\nudt\isiteam\
?????目錄???????????0??2014-05-27?23:19??PageRank\PageRank\bin\nudt\isiteam\PageRank\
?????文件????????2575??2014-05-27?23:00??PageRank\PageRank\bin\nudt\isiteam\PageRank\Convergence.class
?????文件????????2223??2014-05-27?22:42??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageCount$Map.class
?????文件????????2335??2014-05-27?22:42??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageCount$NewCombiner.class
?????文件????????2627??2014-05-27?22:42??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageCount$Reduce.class
?????文件????????2450??2014-05-27?22:42??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageCount.class
?????文件????????3988??2014-05-27?23:13??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageRank$PRMap.class
?????文件????????2441??2014-05-27?23:13??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageRank$PRReduce.class
?????文件????????3292??2014-05-27?23:13??PageRank\PageRank\bin\nudt\isiteam\PageRank\PageRank.class
?????目錄???????????0??2014-05-13?16:11??PageRank\PageRank\in\
?????目錄???????????0??2014-05-27?23:19??PageRank\PageRank\input\
?????文件??????????32??2014-05-27?22:41??PageRank\PageRank\input\.part-r-00000.crc
?????文件???????????8??2014-05-27?22:41??PageRank\PageRank\input\._SUCCESS.crc
?????文件????????3063??2014-05-27?22:41??PageRank\PageRank\input\part-r-00000
?????文件???????????0??2014-05-27?22:41??PageRank\PageRank\input\_SUCCESS
?????文件????????5978??2014-05-13?16:11??PageRank\PageRank\in\hm3
?????目錄???????????0??2014-05-27?23:19??PageRank\PageRank\output\
?????目錄???????????0??2014-05-27?23:19??PageRank\PageRank\output\0\
?????文件??????????28??2014-05-27?23:14??PageRank\PageRank\output\0\.part-r-00000.crc
?????文件???????????8??2014-05-27?23:14??PageRank\PageRank\output\0\._SUCCESS.crc
?????文件????????2165??2014-05-27?23:14??PageRank\PageRank\output\0\part-r-00000
?????文件???????????0??2014-05-27?23:14??PageRank\PageRank\output\0\_SUCCESS
............此處省略80個文件信息