package?Neo4j.Neo4jDemo;

import?java.io.BufferedReader;
import?java.io.File;
import?java.io.FileNotFoundException;
import?java.io.FileReader;
import?java.io.IOException;
import?java.util.ArrayList;
import?java.util.Collections;
import?java.util.Comparator;
import?java.util.HashMap;
import?java.util.List;
import?java.util.Map;
import?java.util.Map.Entry;
import?org.neo4j.graphdb.DynamicRelationshipType;
import?org.neo4j.graphdb.GraphDatabaseService;
import?org.neo4j.graphdb.Node;
import?org.neo4j.graphdb.Relationship;
import?org.neo4j.graphdb.ResourceIterable;
import?org.neo4j.graphdb.Transaction;
import?org.neo4j.graphdb.factory.GraphDatabaseFactory;


public?class?Main?{
	//作者集合
	private?static?HashMap?authorMap?=?null;
	//作者的數量
	private?static?int?authorSize?=?0;
	private?static?HashMap?confMap?=?null;
	//會議的數量
	private?static?int?confSize?=?0;
	
	public?static?void?main（String?args[]）{
		//定義Neo4j數據庫，文件夾命名為ac.graphdb，后綴不能舍棄，否則neo4j?community找不到數據位置
		GraphDatabaseService?db?=?new?GraphDatabaseFactory（）.newembeddedDatabase（“D:/Neo4jDB/ac.graphdb/“）;
		//創建Neo4j數據庫
		createGraphDB（db）;
		//獲取與作者Mike最相似的5個作者
		List>?list?=?getTopKSimilarAuthor（db“Mike“9）;
		//遍歷輸出k個作者
		for?（Map.Entry?mapping?:?list）?{??
????????????System.out.println（mapping.getKey（）?+?“:“?+?mapping.getValue（））;??
????????}?
	}
	
	/**
	?*?獲取與作者authorName最為相似的前topk個作者
	?*?@param?db
	?*?@param?authorName
	?*?@param?k
	?*?@return
	?*/
	public?static?List>?getTopKSimilarAuthor（GraphDatabaseService?dbString?authorNameint?k）{
		List>?resultList?=?null;
		//獲得源作者Mike的會議集合
		Map?confForOrginAuthorMap?=?getConfMapOfOneAuthor（dbauthorName）;
		//計算Wac，即作者Mike在各個會議上面發表的論文數
		int[]?orginMatrix?=?getMatrix（confForOrginAuthorMap）;
		//定義相似作者集合
		Map?SimilarAuthorMap?=?new?HashMap（）;
		//遍歷作者集合
		for（Map.Entry?entry:authorMap.entrySet（））{
			//獲得該作者的會議集合
			Map?confForTargetAuthorMap?=?getConfMapOfOneAuthor（dbentry.getValue（））;
			//計算Wac，即該作者在各個會議上面發表的論文數
			int[]?targetMatrix?=?getMatrix（confForTargetAuthorMap）;
			//計算源作者與該作者的相似性
			float?similarity?=?pathSim（orginMatrixtargetMatrix）;
			//將作者的名字和相似性得分作為key-value存入相似作者集合
			SimilarAuthorMap.put（entry.getValue（）?similarity）;
			System.out.println（“作者“+entry.getValue（）+“與Mike相似性為“+similarity）;
		}
		List>?list?=?sortMap（SimilarAuthorMap）;
		//取集合中前k個值
		resultList?=?list.subList（1?k+1）;
		return?resultList;
		
	}
	
	/**
	?*?Map集合降序排序
	?*?@param?map
	?*?@return
	?*/
	public?static?List>?sortMap（Map?map）{
		List>?list?=?new?ArrayList>（map.entrySet（））;??
????????Collections.sort（list?new?Comparator>（）?{??
????????????//降序排序

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????791??2018-01-06?13:45??Neo4jDemo\.classpath

?????文件????????561??2018-01-06?11:21??Neo4jDemo\.project

?????文件?????????88??2018-01-06?11:24??Neo4jDemo\.settings\org.eclipse.core.resources.prefs

?????文件????????664??2018-01-06?13:45??Neo4jDemo\.settings\org.eclipse.jdt.core.prefs

?????文件?????????90??2018-01-06?11:21??Neo4jDemo\.settings\org.eclipse.m2e.core.prefs

?????文件?????????79??2018-01-05?18:59??Neo4jDemo\data\author.txt

?????文件????????737??2018-01-05?21:28??Neo4jDemo\data\author_conf.txt

?????文件?????????31??2018-01-05?19:05??Neo4jDemo\data\conf.txt

?????文件????????908??2018-01-06?11:26??Neo4jDemo\pom.xml

?????文件??????10233??2018-01-07?10:49??Neo4jDemo\src\main\java\Neo4j\Neo4jDemo\Main.java

?????文件????????208??2018-01-06?11:31??Neo4jDemo\src\main\java\Neo4j\Neo4jDemo\Relationships.java

?????文件????????222??2018-01-07?09:54??Neo4jDemo\src\main\java\Neo4j\Neo4jDemo\Type.java

?????文件???????1279??2018-01-07?10:49??Neo4jDemo\target\classes\Neo4j\Neo4jDemo\Main$1.class

?????文件??????11308??2018-01-07?10:49??Neo4jDemo\target\classes\Neo4j\Neo4jDemo\Main.class

?????文件???????1050??2018-01-06?13:45??Neo4jDemo\target\classes\Neo4j\Neo4jDemo\Relationships.class

?????文件???????1018??2018-01-07?09:54??Neo4jDemo\target\classes\Neo4j\Neo4jDemo\Type.class

?????文件????????617??2018-01-06?11:21??Neo4jDemo\target\test-classes\Neo4j\Neo4jDemo\AppTest.class

?????目錄??????????0??2018-01-06?17:16??Neo4jDemo\src\main\java\Neo4j\Neo4jDemo

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\src\main\java\Neo4j

?????目錄??????????0??2018-01-06?20:34??Neo4jDemo\target\classes\Neo4j\Neo4jDemo

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\target\test-classes\Neo4j\Neo4jDemo

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\src\main\java

?????目錄??????????0??2018-01-06?13:45??Neo4jDemo\target\classes\Neo4j

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\target\test-classes\Neo4j

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\src\main

?????目錄??????????0??2018-01-06?11:24??Neo4jDemo\src\test

?????目錄??????????0??2018-01-06?13:45??Neo4jDemo\target\classes

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\target\test-classes

?????目錄??????????0??2018-01-06?11:21??Neo4jDemo\.settings

?????目錄??????????0??2018-01-06?13:47??Neo4jDemo\data

............此處省略6個文件信息