/**
* 在所有的字段中搜索，如果是坐标的话，需要加上*，才能匹配到，这里采用标准方式获取的集合范围太大了，分词不是很准确
*
* @param queryString 关键字
* @throws Exception
*/
@Deprecated
public static void searchList(String queryString) throws Exception {
// 查询的字符串:输入不存在的字符串是查询不到的,如：中国
// 查询字段集合
String[] queryFileds = {"name", "city", "address", "eastNew", "northNew", "geom", "phone"};
IndexSearcher searcher = LuceneUtils.createIndexSearcher();
Query query = LuceneUtils.createQuery(queryFileds, queryString);
// 在搜索器中进行查询
// 对查询内容进行过滤
Filter filter = null;
// 一次在索引器查询多少条数据
int queryCount = 100;
TopDocs results = searcher.search(query, filter, queryCount);
System.out.println("总符合: " + results.totalHits + "条数！");
// 显示记录
for (ScoreDoc sr : results.scoreDocs) {
// 文档编号
int docID = sr.doc;
// 真正的内容
Document doc = searcher.doc(docID);
System.out.println("name = " + doc.get("name"));
System.out.println("address = " + doc.get("address"));
System.out.println("eastNew = " + doc.get("eastNew"));
System.out.println("northNew = " + doc.get("northNew"));
System.out.println("geom = " + doc.get("geom"));
System.out.println("phone = " + doc.get("phone"));
}
}
/**
* Perform searching for word by word content.
*
* @param content the content used to search.
* @return a list of found documents.
* @throws java.io.IOException if the path to the lucene index is incorrect.
*/
public static List<Document> performSearchByContent(String content) throws IOException {
List<Document> foundDocs =
performSearch(QueryUtils.buildPhraseQuery(content), LuceneUtils.getLuceneSearcher());
if (CollectionUtils.isEmpty(foundDocs)) {
foundDocs =
performSearch(QueryUtils.buildFuzzyQuery(content), LuceneUtils.getLuceneSearcher());
}
return foundDocs;
}
/*
* 复合条件查询，即 and or 等 BooleanClause.Occur.MUST表示and
* BooleanClause.Occur.MUST_NOT表示not BooleanClause.Occur.SHOULD表示or.
*/
public static void searchQuery(String[] queries, String[] fields) throws Exception {
IndexSearcher searcher = LuceneUtils.createIndexSearcher();
// String[] queries = { "南城","网吧"};
// String[] fields = { "name","city"};
BooleanClause.Occur[] clauses = {BooleanClause.Occur.SHOULD, BooleanClause.Occur.SHOULD};
Query query =
MultiFieldQueryParser.parse(
Version.LUCENE_36, queries, fields, clauses, new StandardAnalyzer(Version.LUCENE_36));
TopDocs results = searcher.search(query, null, 100);
System.out.println("总符合: " + results.totalHits + "条数！");
// 显示记录
for (ScoreDoc sr : results.scoreDocs) {
// 文档编号
int docID = sr.doc;
// 真正的内容
Document doc = searcher.doc(docID);
System.out.println("name = " + doc.get("name"));
System.out.println("address = " + doc.get("address"));
System.out.println("city = " + doc.get("city"));
System.out.println("lnglat = " + doc.get("lnglat"));
}
}
/**
* 在所有的字段中搜索，如果是坐标的话，需要加上*，才能匹配到
*
* @param queryString 关键字
* @throws Exception
*/
public static void searchListIKWithExp(String queryString) throws Exception {
// 查询的字符串:输入不存在的字符串是查询不到的,如：中国
// 查询字段集合
IndexSearcher searcher = LuceneUtils.createIndexSearcher();
// 这里使用的是IK的
Query query = IKQueryParser.parse(queryString);
System.out.println(query);
// 在搜索器中进行查询
// 对查询内容进行过滤
Filter filter = null;
// 一次在索引器查询多少条数据
int queryCount = 100;
TopDocs results = searcher.search(query, filter, queryCount);
System.out.println("总符合: " + results.totalHits + "条数！");
// 显示记录
for (ScoreDoc sr : results.scoreDocs) {
// 文档编号
int docID = sr.doc;
// 真正的内容
Document doc = searcher.doc(docID);
System.out.println("name = " + doc.get("name"));
System.out.println("address = " + doc.get("address"));
System.out.println("eastNew = " + doc.get("eastNew"));
System.out.println("northNew = " + doc.get("northNew"));
System.out.println("geom = " + doc.get("geom"));
System.out.println("phone = " + doc.get("phone"));
System.out.println("id = " + doc.get("id"));
System.out.println("datatype = " + doc.get("datatype"));
System.out.println("dataTypeKey = " + doc.get("dataTypeKey"));
}
}
@SuppressWarnings("deprecation")
@Override
public TokenStream tokenStream(String fieldName, Reader reader) {
Tokenizer tokenizer = new WhitespaceTokenizer(LuceneUtils.getVersion(), reader);
TokenStream result =
new PatternReplaceFilter(
tokenizer,
Pattern.compile("^([\\.!\\?,:;\"'\\(\\)]*)(.*?)([\\.!\\?,:;\"'\\(\\)]*)$"),
"$2",
true);
result = new PatternReplaceFilter(result, Pattern.compile("'s"), "s", true);
result = new StopFilter(false, result, LuceneUtils.caseSensitiveStopSet);
result = new LowerCaseFilter(LuceneUtils.getVersion(), result);
result = new ASCIIFoldingFilter(result);
return result;
}
/**
* Perform search for word by id. (word description)
*
* @param id the id to search.
* @return the returned document.
* @throws java.io.IOException the IOException.
*/
public static List<Document> performSearchById(String id) throws IOException {
TermQuery query = new TermQuery(new Term(LuceneSearchFields.ID, id.trim().toLowerCase()));
return performSearch(query, LuceneUtils.getLuceneSearcher());
}
/**
* Perform searching for word by word content.
*
* @param content the content used to search.
* @param luceneDirPath the lucene index path.
* @return a list of found documents.
* @throws java.io.IOException if the path to the lucene index is incorrect.
*/
public static List<Document> performSearchByContent(String content, String luceneDirPath)
throws IOException {
String indexDirPath = luceneDirPath + PACKAGE_PATH;
return performSearch(
QueryUtils.buildPhraseQuery(content), LuceneUtils.getLuceneSearcher(indexDirPath));
}
/**
* Perform searching using default LuceneSearcher.
*
* @param query the query used to perform the search.
* @return a list of found documents.
* @throws java.io.IOException if the default path to the index is wrong.
*/
public static List<Document> performSearch(Query query) throws IOException {
return performSearch(query, LuceneUtils.getLuceneSearcher());
}
