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96 lines
3.8 KiB
96 lines
3.8 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.gflucene.searchers; import gplx.*; import gplx.gflucene.*;
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import gplx.gflucene.core.*;
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import gplx.gflucene.analyzers.*;
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import java.io.IOException;
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import org.lukhnos.portmobile.file.Path;
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import org.lukhnos.portmobile.file.Paths;
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import org.apache.lucene.analysis.Analyzer;
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import org.apache.lucene.document.Document;
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import org.apache.lucene.index.DirectoryReader;
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import org.apache.lucene.index.IndexReader;
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import org.apache.lucene.queries.CustomScoreQuery;
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import org.apache.lucene.queries.function.FunctionQuery;
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import org.apache.lucene.queries.function.valuesource.LongFieldSource;
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import org.apache.lucene.queryparser.classic.MultiFieldQueryParser;
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import org.apache.lucene.queryparser.classic.QueryParser;
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import org.apache.lucene.search.BooleanClause;
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import org.apache.lucene.search.BooleanQuery;
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import org.apache.lucene.search.IndexSearcher;
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import org.apache.lucene.search.Query;
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import org.apache.lucene.search.ScoreDoc;
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import org.apache.lucene.search.TopDocs;
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import org.apache.lucene.store.Directory;
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import org.apache.lucene.store.FSDirectory;
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import gplx.gflucene.indexers.*;
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public class Gflucene_searcher_mgr {
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private Analyzer analyzer;
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private Directory index;
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public Gflucene_searcher_mgr() {
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}
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public void Init(Gflucene_index_data idx_data) {
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// create analyzer
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this.analyzer = Gflucene_analyzer_mgr_.New_analyzer(idx_data.analyzer_data.key);
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// get index
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Path path = Paths.get(idx_data.index_dir);
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try {
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this.index = FSDirectory.open(path);
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} catch (IOException e) {
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throw Err_.new_exc(e, "lucene_index", "failed to init searcher", "dir", idx_data.index_dir);
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}
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}
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public void Exec(List_adp list, Gflucene_searcher_qry data) {
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try {
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IndexReader reader = DirectoryReader.open(index);
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IndexSearcher searcher = new IndexSearcher(reader);
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// Query query = new QueryParser("body", analyzer).parse(data.query);
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Query multi_query = MultiFieldQueryParser.parse(data.query, new String[] {"body"}, new BooleanClause.Occur []{BooleanClause.Occur.SHOULD}, analyzer);
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// Query body_query = new QueryParser("body", analyzer).parse(data.query);
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// Query title_query = new QueryParser("title", analyzer).parse(data.query);
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FunctionQuery boost_query = new FunctionQuery(new LongFieldSource("page_score"));
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CustomScoreQuery query = new CustomScoreQuery(multi_query, boost_query);
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// TopDocs docs = searcher.search(query, reader.maxDoc());
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TopDocs docs = searcher.search(query, data.match_max);
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ScoreDoc[] hits = docs.scoreDocs;
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for(int i = 0; i < hits.length; i++) {
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int docId = hits[i].doc;
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Document d = searcher.doc(docId);
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// Gflucene_doc_data doc = new Gflucene_doc_data(Integer.parseInt(d.get("page_id")), Integer.parseInt(d.get("page_score")), d.get("title"), "");
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Gflucene_doc_data doc = new Gflucene_doc_data(Integer.parseInt(d.get("page_id")), 0, d.get("title"), "");
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doc.lucene_score = hits[i].score;
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// Tfds.Write(doc.lucene_score, doc.title);
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list.Add(doc);
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}
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reader.close();
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} catch (Exception e) {
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throw Err_.new_exc(e, "lucene_index", "failed to exec seearch", "query", data.query);
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}
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}
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public void Term() {
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}
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}
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