Use logger to log exceptions instead of printStackTrace(...)

This commit is contained in:
Ayman Abdel Ghany 2016-01-29 14:47:03 +02:00
parent 3f0214a8e3
commit 5ec0bd5bd6
6 changed files with 356 additions and 348 deletions

View File

@ -1,7 +1,7 @@
/**
* IK 中文分词 版本 5.0
* IK Analyzer release 5.0
*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
@ -20,8 +20,8 @@
* 源代码由林良益(linliangyi2005@gmail.com)提供
* 版权声明 2012乌龙茶工作室
* provided by Linliangyi and copyright 2012 by Oolong studio
*
*
*
*
*/
package org.wltea.analyzer.dic;
@ -62,37 +62,37 @@ public class Dictionary {
*/
private static Dictionary singleton;
private DictSegment _MainDict;
private DictSegment _MainDict;
private DictSegment _SurnameDict;
private DictSegment _SurnameDict;
private DictSegment _QuantifierDict;
private DictSegment _QuantifierDict;
private DictSegment _SuffixDict;
private DictSegment _SuffixDict;
private DictSegment _PrepDict;
private DictSegment _PrepDict;
private DictSegment _StopWords;
private DictSegment _StopWords;
/**
* 配置对象
*/
private Configuration configuration;
public static ESLogger logger=Loggers.getLogger("ik-analyzer");
private static ScheduledExecutorService pool = Executors.newScheduledThreadPool(1);
public static final String PATH_DIC_MAIN = "ik/main.dic";
public static final String PATH_DIC_SURNAME = "ik/surname.dic";
public static final String PATH_DIC_QUANTIFIER = "ik/quantifier.dic";
public static final String PATH_DIC_SUFFIX = "ik/suffix.dic";
public static final String PATH_DIC_PREP = "ik/preposition.dic";
public static final String PATH_DIC_STOP = "ik/stopword.dic";
private Dictionary(){
public static ESLogger logger=Loggers.getLogger("ik-analyzer");
}
private static ScheduledExecutorService pool = Executors.newScheduledThreadPool(1);
public static final String PATH_DIC_MAIN = "ik/main.dic";
public static final String PATH_DIC_SURNAME = "ik/surname.dic";
public static final String PATH_DIC_QUANTIFIER = "ik/quantifier.dic";
public static final String PATH_DIC_SUFFIX = "ik/suffix.dic";
public static final String PATH_DIC_PREP = "ik/preposition.dic";
public static final String PATH_DIC_STOP = "ik/stopword.dic";
private Dictionary(){
}
/**
* 词典初始化
@ -107,30 +107,30 @@ public class Dictionary {
synchronized(Dictionary.class){
if(singleton == null){
singleton = new Dictionary();
singleton.configuration=cfg;
singleton.loadMainDict();
singleton.loadSurnameDict();
singleton.loadQuantifierDict();
singleton.loadSuffixDict();
singleton.loadPrepDict();
singleton.loadStopWordDict();
//建立监控线程
for(String location:cfg.getRemoteExtDictionarys()){
//10 秒是初始延迟可以修改的 60是间隔时间 单位秒
pool.scheduleAtFixedRate(new Monitor(location), 10, 60, TimeUnit.SECONDS);
}
for(String location:cfg.getRemoteExtStopWordDictionarys()){
pool.scheduleAtFixedRate(new Monitor(location), 10, 60, TimeUnit.SECONDS);
}
return singleton;
singleton.configuration=cfg;
singleton.loadMainDict();
singleton.loadSurnameDict();
singleton.loadQuantifierDict();
singleton.loadSuffixDict();
singleton.loadPrepDict();
singleton.loadStopWordDict();
//建立监控线程
for(String location:cfg.getRemoteExtDictionarys()){
//10 秒是初始延迟可以修改的 60是间隔时间 单位秒
pool.scheduleAtFixedRate(new Monitor(location), 10, 60, TimeUnit.SECONDS);
}
for(String location:cfg.getRemoteExtStopWordDictionarys()){
pool.scheduleAtFixedRate(new Monitor(location), 10, 60, TimeUnit.SECONDS);
}
return singleton;
}
}
}
return singleton;
}
/**
* 获取词典单子实例
* @return Dictionary 单例对象
@ -141,7 +141,7 @@ public class Dictionary {
}
return singleton;
}
/**
* 批量加载新词条
* @param words Collection<String>词条列表
@ -156,7 +156,7 @@ public class Dictionary {
}
}
}
/**
* 批量移除屏蔽词条
*/
@ -170,7 +170,7 @@ public class Dictionary {
}
}
}
/**
* 检索匹配主词典
* @return Hit 匹配结果描述
@ -178,15 +178,15 @@ public class Dictionary {
public Hit matchInMainDict(char[] charArray){
return singleton._MainDict.match(charArray);
}
/**
* 检索匹配主词典
* @return Hit 匹配结果描述
*/
public Hit matchInMainDict(char[] charArray , int begin, int length){
return singleton._MainDict.match(charArray, begin, length);
return singleton._MainDict.match(charArray, begin, length);
}
/**
* 检索匹配量词词典
* @return Hit 匹配结果描述
@ -194,8 +194,8 @@ public class Dictionary {
public Hit matchInQuantifierDict(char[] charArray , int begin, int length){
return singleton._QuantifierDict.match(charArray, begin, length);
}
/**
* 从已匹配的Hit中直接取出DictSegment继续向下匹配
* @return Hit
@ -204,16 +204,16 @@ public class Dictionary {
DictSegment ds = matchedHit.getMatchedDictSegment();
return ds.match(charArray, currentIndex, 1 , matchedHit);
}
/**
* 判断是否是停止词
* @return boolean
*/
public boolean isStopWord(char[] charArray , int begin, int length){
public boolean isStopWord(char[] charArray , int begin, int length){
return singleton._StopWords.match(charArray, begin, length).isMatch();
}
}
/**
* 加载主词典及扩展词典
*/
@ -224,13 +224,13 @@ public class Dictionary {
//读取主词典文件
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_MAIN);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
e.printStackTrace();
}
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error(e.getMessage(), e);
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord = null;
@ -240,26 +240,26 @@ public class Dictionary {
_MainDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
logger.error("ik-analyzer",e);
}
}
//加载扩展词典
this.loadExtDict();
//加载远程自定义词库
this.loadRemoteExtDict();
}
}
/**
* 加载用户配置的扩展词典到主词库表
*/
@ -270,13 +270,13 @@ public class Dictionary {
InputStream is = null;
for(String extDictName : extDictFiles){
//读取扩展词典文件
logger.info("[Dict Loading] " + extDictName);
logger.info("[Dict Loading] " + extDictName);
Path file = PathUtils.get(configuration.getDictRoot(), extDictName);
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
//如果找不到扩展的字典则忽略
if(is == null){
@ -287,29 +287,29 @@ public class Dictionary {
String theWord = null;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
if (theWord != null && !"".equals(theWord.trim())) {
//加载扩展词典数据到主内存词典中
_MainDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
logger.error("ik-analyzer",e);
}
}
}
}
}
}
/**
* 加载远程扩展词典到主词库表
*/
@ -331,14 +331,14 @@ public class Dictionary {
}
}
}
}
/**
* 从远程服务器上下载自定义词条
*/
private static List<String> getRemoteWords(String location){
List<String> buffer = new ArrayList<String>();
RequestConfig rc = RequestConfig.custom().setConnectionRequestTimeout(10*1000)
.setConnectTimeout(10*1000).setSocketTimeout(60*1000).build();
@ -350,7 +350,7 @@ public class Dictionary {
try {
response = httpclient.execute(get);
if(response.getStatusLine().getStatusCode()==200){
String charset = "UTF-8";
//获取编码默认为utf-8
if(response.getEntity().getContentType().getValue().contains("charset=")){
@ -376,49 +376,49 @@ public class Dictionary {
}
return buffer;
}
/**
* 加载用户扩展的停止词词典
*/
private void loadStopWordDict(){
//建立主词典实例
_StopWords = new DictSegment((char)0);
_StopWords = new DictSegment((char)0);
//读取主词典文件
//读取主词典文件
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_STOP);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
e.printStackTrace();
}
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error(e.getMessage(), e);
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord = null;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_StopWords.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord = null;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_StopWords.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}finally{
try {
if(is != null){
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
//加载扩展停止词典
@ -426,15 +426,15 @@ public class Dictionary {
if(extStopWordDictFiles != null){
is = null;
for(String extStopWordDictName : extStopWordDictFiles){
logger.info("[Dict Loading] " + extStopWordDictName);
logger.info("[Dict Loading] " + extStopWordDictName);
//读取扩展词典文件
file=PathUtils.get(configuration.getDictRoot(), extStopWordDictName);
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
//读取扩展词典文件
file=PathUtils.get(configuration.getDictRoot(), extStopWordDictName);
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
//如果找不到扩展的字典则忽略
if(is == null){
continue;
@ -446,26 +446,26 @@ public class Dictionary {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
//加载扩展停止词典数据到内存中
_StopWords.fillSegment(theWord.trim().toCharArray());
_StopWords.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
logger.error("ik-analyzer",e);
}
}
}
}
//加载远程停用词典
List<String> remoteExtStopWordDictFiles = configuration.getRemoteExtStopWordDictionarys();
for(String location:remoteExtStopWordDictFiles){
@ -484,10 +484,10 @@ public class Dictionary {
}
}
}
}
/**
* 加载量词词典
*/
@ -496,12 +496,12 @@ public class Dictionary {
_QuantifierDict = new DictSegment((char)0);
//读取量词词典文件
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_QUANTIFIER);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord = null;
@ -511,134 +511,134 @@ public class Dictionary {
_QuantifierDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException ioe) {
logger.error("Quantifier Dictionary loading exception.");
}finally{
try {
if(is != null){
is.close();
is = null;
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
logger.error("ik-analyzer",e);
}
}
}
private void loadSurnameDict(){
private void loadSurnameDict(){
_SurnameDict = new DictSegment((char)0);
_SurnameDict = new DictSegment((char)0);
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_SURNAME);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Surname Dictionary not found!!!");
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_SurnameDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Surname Dictionary not found!!!");
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_SurnameDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
if(is != null){
is.close();
is = null;
}
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
private void loadSuffixDict(){
private void loadSuffixDict(){
_SuffixDict = new DictSegment((char)0);
_SuffixDict = new DictSegment((char)0);
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_SUFFIX);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Suffix Dictionary not found!!!");
}
try {
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Suffix Dictionary not found!!!");
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_SuffixDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
is.close();
is = null;
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_SuffixDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
is.close();
is = null;
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
private void loadPrepDict(){
private void loadPrepDict(){
_PrepDict = new DictSegment((char)0);
_PrepDict = new DictSegment((char)0);
Path file = PathUtils.get(configuration.getDictRoot(), Dictionary.PATH_DIC_PREP);
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Preposition Dictionary not found!!!");
}
try {
InputStream is = null;
try {
is = new FileInputStream(file.toFile());
} catch (FileNotFoundException e) {
logger.error("ik-analyzer",e);
}
if(is == null){
throw new RuntimeException("Preposition Dictionary not found!!!");
}
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
BufferedReader br = new BufferedReader(new InputStreamReader(is , "UTF-8"), 512);
String theWord;
do {
theWord = br.readLine();
if (theWord != null && !"".equals(theWord.trim())) {
_PrepDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
is.close();
is = null;
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
public void reLoadMainDict(){
logger.info("重新加载词典...");
_PrepDict.fillSegment(theWord.trim().toCharArray());
}
} while (theWord != null);
} catch (IOException e) {
logger.error("ik-analyzer",e);
}finally{
try {
is.close();
is = null;
} catch (IOException e) {
logger.error("ik-analyzer",e);
}
}
}
public void reLoadMainDict(){
logger.info("重新加载词典...");
// 新开一个实例加载词典减少加载过程对当前词典使用的影响
Dictionary tmpDict = new Dictionary();
tmpDict.configuration = getSingleton().configuration;
@ -647,6 +647,6 @@ public class Dictionary {
_MainDict = tmpDict._MainDict;
_StopWords = tmpDict._StopWords;
logger.info("重新加载词典完毕...");
}
}
}
}

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@ -7,9 +7,13 @@ import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
public class Monitor implements Runnable {
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
private static CloseableHttpClient httpclient = HttpClients.createDefault();
/*
* 上次更改时间
@ -19,12 +23,12 @@ public class Monitor implements Runnable {
* 资源属性
*/
private String eTags;
/*
* 请求地址
*/
private String location;
private String location;
public Monitor(String location) {
this.location = location;
this.last_modified = null;
@ -38,16 +42,16 @@ public class Monitor implements Runnable {
* 如果有变化重新加载词典
* 休眠1min返回第
*/
public void run() {
//超时设置
RequestConfig rc = RequestConfig.custom().setConnectionRequestTimeout(10*1000)
.setConnectTimeout(10*1000).setSocketTimeout(15*1000).build();
HttpHead head = new HttpHead(location);
head.setConfig(rc);
//设置请求头
if (last_modified != null) {
head.setHeader("If-Modified-Since", last_modified);
@ -55,17 +59,17 @@ public class Monitor implements Runnable {
if (eTags != null) {
head.setHeader("If-None-Match", eTags);
}
CloseableHttpResponse response = null;
try {
response = httpclient.execute(head);
//返回200 才做操作
if(response.getStatusLine().getStatusCode()==200){
if (!response.getLastHeader("Last-Modified").getValue().equalsIgnoreCase(last_modified)
||!response.getLastHeader("ETag").getValue().equalsIgnoreCase(eTags)) {
||!response.getLastHeader("ETag").getValue().equalsIgnoreCase(eTags)) {
// 远程词库有更新,需要重新加载词典并修改last_modified,eTags
Dictionary.getSingleton().reLoadMainDict();
@ -87,9 +91,9 @@ public class Monitor implements Runnable {
response.close();
}
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}
}
}
}

View File

@ -5,8 +5,8 @@ import org.elasticsearch.common.logging.Loggers;
public class Sleep {
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
public enum Type{MSEC,SEC,MIN,HOUR};
public static void sleep(Type type,int num){
try {
@ -24,13 +24,13 @@ public class Sleep {
Thread.sleep(num*60*60*1000);
return;
default:
logger.error("输入类型错误应为MSEC,SEC,MIN,HOUR之一");
System.err.println("输入类型错误应为MSEC,SEC,MIN,HOUR之一");
return;
}
} catch (InterruptedException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}
}
}

View File

@ -1,7 +1,7 @@
/**
* IK 中文分词 版本 5.0
* IK Analyzer release 5.0
*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
@ -20,7 +20,7 @@
* 源代码由林良益(linliangyi2005@gmail.com)提供
* 版权声明 2012乌龙茶工作室
* provided by Linliangyi and copyright 2012 by Oolong studio
*
*
*/
package org.wltea.analyzer.query;
@ -34,6 +34,8 @@ import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.Query;
import org.apache.lucene.util.Version;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.wltea.analyzer.core.IKSegmenter;
import org.wltea.analyzer.core.Lexeme;
@ -45,6 +47,8 @@ import org.wltea.analyzer.core.Lexeme;
*/
public class SWMCQueryBuilder {
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
/**
* 生成SWMCQuery
* @param fieldName
@ -62,7 +66,7 @@ public class SWMCQueryBuilder {
Query _SWMCQuery = getSWMCQuery(fieldName , lexemes , quickMode);
return _SWMCQuery;
}
/**
* 分词切分并返回结链表
* @param keywords
@ -78,16 +82,16 @@ public class SWMCQueryBuilder {
lexemes.add(l);
}
}catch(IOException e){
e.printStackTrace();
logger.error(e.getMessage(), e);
}
return lexemes;
}
/**
* 根据分词结果生成SWMC搜索
* @param fieldName
// * @param pathOption
// * @param pathOption
* @param quickMode
* @return
*/
@ -100,7 +104,7 @@ public class SWMCQueryBuilder {
int lastLexemeLength = 0;
//记录最后词元结束位置
int lastLexemeEnd = -1;
int shortCount = 0;
int totalCount = 0;
for(Lexeme l : lexemes){
@ -110,15 +114,15 @@ public class SWMCQueryBuilder {
keywordBuffer_Short.append(' ').append(l.getLexemeText());
shortCount += l.getLength();
}
if(lastLexemeLength == 0){
keywordBuffer.append(l.getLexemeText());
keywordBuffer.append(l.getLexemeText());
}else if(lastLexemeLength == 1 && l.getLength() == 1
&& lastLexemeEnd == l.getBeginPosition()){//单字位置相邻长度为一合并)
keywordBuffer.append(l.getLexemeText());
}else{
keywordBuffer.append(' ').append(l.getLexemeText());
}
lastLexemeLength = l.getLength();
lastLexemeEnd = l.getEndPosition();
@ -128,16 +132,16 @@ public class SWMCQueryBuilder {
QueryParser qp = new QueryParser(fieldName, new StandardAnalyzer());
qp.setDefaultOperator(QueryParser.AND_OPERATOR);
qp.setAutoGeneratePhraseQueries(true);
if(quickMode && (shortCount * 1.0f / totalCount) > 0.5f){
try {
//System.out.println(keywordBuffer.toString());
Query q = qp.parse(keywordBuffer_Short.toString());
return q;
} catch (ParseException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}else{
if(keywordBuffer.length() > 0){
try {
@ -145,10 +149,10 @@ public class SWMCQueryBuilder {
Query q = qp.parse(keywordBuffer.toString());
return q;
} catch (ParseException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}
}
return null;
}
}
}

View File

@ -1,7 +1,7 @@
/**
* IK 中文分词 版本 5.0.1
* IK Analyzer release 5.0.1
*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
@ -20,8 +20,8 @@
* 源代码由林良益(linliangyi2005@gmail.com)提供
* 版权声明 2012乌龙茶工作室
* provided by Linliangyi and copyright 2012 by Oolong studio
*
*
*
*
*/
package org.wltea.analyzer.sample;
@ -44,47 +44,47 @@ import org.wltea.analyzer.lucene.IKAnalyzer;
*/
public class IKAnalzyerDemo {
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
public static void main(String[] args){
//构建IK分词器使用smart分词模式
Analyzer analyzer = new IKAnalyzer(true);
//获取Lucene的TokenStream对象
TokenStream ts = null;
TokenStream ts = null;
try {
ts = analyzer.tokenStream("myfield", new StringReader("WORLD ,.. html DATA</html>HELLO"));
// ts = analyzer.tokenStream("myfield", new StringReader("这是一个中文分词的例子你可以直接运行它IKAnalyer can analysis english text too"));
//获取词元位置属性
OffsetAttribute offset = ts.addAttribute(OffsetAttribute.class);
//获取词元文本属性
CharTermAttribute term = ts.addAttribute(CharTermAttribute.class);
//获取词元文本属性
TypeAttribute type = ts.addAttribute(TypeAttribute.class);
//重置TokenStream重置StringReader
ts.reset();
OffsetAttribute offset = ts.addAttribute(OffsetAttribute.class);
//获取词元文本属性
CharTermAttribute term = ts.addAttribute(CharTermAttribute.class);
//获取词元文本属性
TypeAttribute type = ts.addAttribute(TypeAttribute.class);
//重置TokenStream重置StringReader
ts.reset();
//迭代获取分词结果
while (ts.incrementToken()) {
logger.info(offset.startOffset() + " - " + offset.endOffset() + " : " + term.toString() + " | " + type.type());
System.out.println(offset.startOffset() + " - " + offset.endOffset() + " : " + term.toString() + " | " + type.type());
}
//关闭TokenStream关闭StringReader
ts.end(); // Perform end-of-stream operations, e.g. set the final offset.
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
} finally {
//释放TokenStream的所有资源
if(ts != null){
try {
ts.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
ts.close();
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
}
}
}
}
}

View File

@ -1,7 +1,7 @@
/**
* IK 中文分词 版本 5.0
* IK Analyzer release 5.0
*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
@ -20,8 +20,8 @@
* 源代码由林良益(linliangyi2005@gmail.com)提供
* 版权声明 2012乌龙茶工作室
* provided by Linliangyi and copyright 2012 by Oolong studio
*
*
*
*
*/
package org.wltea.analyzer.sample;
@ -58,14 +58,14 @@ import org.wltea.analyzer.lucene.IKAnalyzer;
/**
* 使用IKAnalyzer进行Lucene索引和查询的演示
* 2012-3-2
*
*
* 以下是结合Lucene4.0 API的写法
*
*/
public class LuceneIndexAndSearchDemo {
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
public static ESLogger logger= Loggers.getLogger("ik-analyzer");
/**
* 模拟
* 创建一个单条记录的索引并对其进行搜索
@ -74,20 +74,20 @@ public class LuceneIndexAndSearchDemo {
public static void main(String[] args){
//Lucene Document的域名
String fieldName = "text";
//检索内容
//检索内容
String text = "IK Analyzer是一个结合词典分词和文法分词的中文分词开源工具包。它使用了全新的正向迭代最细粒度切分算法。";
//实例化IKAnalyzer分词器
Analyzer analyzer = new IKAnalyzer(true);
Directory directory = null;
IndexWriter iwriter = null;
IndexReader ireader = null;
IndexSearcher isearcher = null;
try {
//建立内存索引对象
directory = new RAMDirectory();
directory = new RAMDirectory();
//配置IndexWriterConfig
IndexWriterConfig iwConfig = new IndexWriterConfig(analyzer);
iwConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
@ -98,53 +98,53 @@ public class LuceneIndexAndSearchDemo {
doc.add(new TextField(fieldName, text, Field.Store.YES));
iwriter.addDocument(doc);
iwriter.close();
//搜索过程**********************************
//实例化搜索器
//实例化搜索器
ireader = DirectoryReader.open(directory);
isearcher = new IndexSearcher(ireader);
String keyword = "中文分词工具包";
isearcher = new IndexSearcher(ireader);
String keyword = "中文分词工具包";
//使用QueryParser查询分析器构造Query对象
QueryParser qp = new QueryParser(fieldName, analyzer);
qp.setDefaultOperator(QueryParser.AND_OPERATOR);
Query query = qp.parse(keyword);
logger.info("Query = " + query);
System.out.println("Query = " + query);
//搜索相似度最高的5条记录
TopDocs topDocs = isearcher.search(query , 5);
logger.info("命中:" + topDocs.totalHits);
System.out.println("命中:" + topDocs.totalHits);
//输出结果
ScoreDoc[] scoreDocs = topDocs.scoreDocs;
for (int i = 0; i < topDocs.totalHits; i++){
Document targetDoc = isearcher.doc(scoreDocs[i].doc);
logger.info("内容:" + targetDoc.toString());
}
System.out.println("内容:" + targetDoc.toString());
}
} catch (CorruptIndexException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
} catch (LockObtainFailedException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
} catch (ParseException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
} finally{
if(ireader != null){
try {
ireader.close();
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}
if(directory != null){
try {
directory.close();
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage(), e);
}
}
}
}
}
}