?? mergeindexestest.java
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package ch10;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.*;
public class MergeIndexesTest {
public static void main(String[] args) throws Exception{
FSDirectory fsDir = FSDirectory.getDirectory("c:\\index", true);
RAMDirectory ramDir = new RAMDirectory();
IndexWriter fsWriter = new IndexWriter(fsDir, new StandardAnalyzer(), true);
IndexWriter ramWriter = new IndexWriter(ramDir, new StandardAnalyzer(), true);
Document doc1 = new Document();
doc1.add(Field.Text("name", "word1 word2 word3"));
Document doc2 = new Document();
doc2.add(Field.Text("name", "word1 word2 word3"));
ramWriter.addDocument(doc1);
fsWriter.addDocument(doc2);
ramWriter.close();
fsWriter.addIndexes(new Directory[]{fsDir});
fsWriter.close();
IndexSearcher searcher = new IndexSearcher("c:\\index");
Hits hits = null;
Query query = null;
query = QueryParser
.parse("word1", "name", new StandardAnalyzer());
hits = searcher.search(query);
System.out.println("查找 word1 共" + hits.length() + "個(gè)結(jié)果");
query = QueryParser
.parse("word3", "name", new StandardAnalyzer());
hits = searcher.search(query);
System.out.println("查找 word3 共" + hits.length() + "個(gè)結(jié)果");
}
}
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