lucene-read
this is a lucene api test repository
lucene url
https://lucene.apache.org/core/
lucene index test
/**
* index data to local store by lucene
*
* @throws IOException read /write dictionary exception
*/
public static void indexData() throws IOException {
//配置索引写对象
IndexWriterConfig indexWriterConfig = new IndexWriterConfig();
//数据追加模式，新增或者追加
indexWriterConfig.setOpenMode(IndexWriterConfig.OpenMode.CREATE_OR_APPEND);
FSDirectory open = FSDirectory.open(new File("/Users/bijialin/workspace/lingrit/lucene-read/src/main" +
"/resources" +
"/static/lucene/luceneData").toPath());
//build indexWriter
IndexWriter indexWriter = new IndexWriter(open, indexWriterConfig);
//create Document
for (int i = 0; i < 10; i++) {
Document doc = new Document();
doc.add(new StoredField("id", i));
doc.add(new TextField("name", "this is a lucene doc text!, index id is:" + i, Field.Store.YES));
indexWriter.addDocument(doc);
indexWriter.flush();
indexWriter.commit();
}
indexWriter.close();
open.close();
}
lucene search api test
/**
* search info by lucene
*
* @throws IOException read dictionary exception
*/
public static void searchIndex() throws IOException {
FSDirectory directory = FSDirectory.open(new File("/Users/bijialin/workspace/lingrit/lucene-read/src/main" +
"/resources" +
"/static/lucene/luceneData").toPath());
IndexSearcher indexSearcher = new IndexSearcher(DirectoryReader.open(directory));
Term term = new Term("id", "1");
TopDocs search = indexSearcher.search(new TermQuery(term), 10);
BooleanQuery booleanClauses =
new BooleanQuery.Builder().add(new TermQuery(term), BooleanClause.Occur.MUST).build();
System.out.println(search);
}