lucene
Search Lucene Index
package com.javacodegeeks.lucene; import java.io.File; import org.apache.lucene.analysis.SimpleAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.queryParser.QueryParser;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.Query;import org.apache.lucene.search.ScoreDoc;import org.apache.lucene.search.TopDocs;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.util.Version; public class SimpleSearcher { public static void main(String[] args) throws Exception { File indexDir = new File("c:/index/"); String query = "lucene"; int hits = 100; SimpleSearcher searcher = new SimpleSearcher(); searcher.searchIndex(indexDir, query, hits); } private void searchIndex(File indexDir, String queryStr, int maxHits) throws Exception { Directory directory = FSDirectory.open(indexDir); IndexSearcher searcher = new IndexSearcher(directory); QueryParser parser = new QueryParser(Version.LUCENE_30, "contents", new SimpleAnalyzer()); Query query = parser.parse(queryStr); TopDocs topDocs = searcher.search(query, maxHits); ScoreDoc[] hits = topDocs.scoreDocs; for (int i = 0; i < hits.length; i++) {int docId = hits[i].doc;Document d = searcher.doc(docId);System.out.println(d.get("filename")); } System.out.println("Found " + hits.length); } }Related Article:
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