Lucene fuzzy query
Jimmy
posted @ 2011年3月11日 20:40
in Others
, 2107 阅读
使用Levenshetein distance
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | <span style="font-size:16px;">import org.apache.lucene.analysis.Analyzer;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.index.Term;import org.apache.lucene.search.FuzzyQuery;import org.apache.lucene.search.Hits;import org.apache.lucene.search.IndexSearcher;import java.io.*;public class fuzzyquery {/*** @param args* @throws IOException */public static void main(String[] args) throws IOException {// TODO Auto-generated method stubIndexWriter writer = new IndexWriter(INDEX_STORE_PATH,new StandardAnalyzer(),true);writer.setUseCompoundFile(false);Document doc1 = new Document();Document doc2 = new Document();Document doc3 = new Document();Document doc4 = new Document();Document doc5 = new Document();Document doc6 = new Document();Field f1 = new Field("content", "word", Field.Store.YES, Field.Index.TOKENIZED);Field f2 = new Field("content", "work", Field.Store.YES, Field.Index.TOKENIZED);Field f3 = new Field("content", "world", Field.Store.YES, Field.Index.TOKENIZED);Field f4 = new Field("content", "seed", Field.Store.YES, Field.Index.TOKENIZED);Field f5 = new Field("content", "sword", Field.Store.YES, Field.Index.TOKENIZED);Field f6 = new Field("content", "ford", Field.Store.YES, Field.Index.TOKENIZED);doc1.add(f1);doc2.add(f2);doc3.add(f3);doc4.add(f4);doc5.add(f5);doc6.add(f6);writer.addDocument(doc1);writer.addDocument(doc2);writer.addDocument(doc3);writer.addDocument(doc4);writer.addDocument(doc5);writer.addDocument(doc6);writer.close();IndexSearcher searcher = new IndexSearcher(INDEX_STORE_PATH);Term t =new Term("content","work");FuzzyQuery query = new FuzzyQuery(t);Hits hits = searcher.search(query);for(int i=0; i<hits.length();i++)System.out.println(hits.doc(i));}}</span> |
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