| package org.apache.lucene.index; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Lucene" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Lucene", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| import org.apache.lucene.analysis.SimpleAnalyzer; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.store.FSDirectory; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.FileDocument; |
| |
| import java.io.File; |
| import java.util.Date; |
| |
| |
| class DocTest { |
| public static void main(String[] args) { |
| try { |
| Directory directory = FSDirectory.getDirectory("test", true); |
| directory.close(); |
| |
| indexDoc("one", "test.txt"); |
| printSegment("one"); |
| indexDoc("two", "test2.txt"); |
| printSegment("two"); |
| |
| merge("one", "two", "merge"); |
| printSegment("merge"); |
| |
| merge("one", "two", "merge2"); |
| printSegment("merge2"); |
| |
| merge("merge", "merge2", "merge3"); |
| printSegment("merge3"); |
| |
| } catch (Exception e) { |
| System.out.println(" caught a " + e.getClass() + |
| "\n with message: " + e.getMessage()); |
| } |
| } |
| |
| public static void indexDoc(String segment, String fileName) |
| throws Exception { |
| Directory directory = FSDirectory.getDirectory("test", false); |
| Analyzer analyzer = new SimpleAnalyzer(); |
| DocumentWriter writer = new DocumentWriter(directory, analyzer, 1000); |
| |
| File file = new File(fileName); |
| Document doc = FileDocument.Document(file); |
| |
| writer.addDocument(segment, doc); |
| |
| directory.close(); |
| } |
| |
| static void merge(String seg1, String seg2, String merged) |
| throws Exception { |
| Directory directory = FSDirectory.getDirectory("test", false); |
| |
| SegmentReader r1 = new SegmentReader(new SegmentInfo(seg1, 1, directory)); |
| SegmentReader r2 = new SegmentReader(new SegmentInfo(seg2, 1, directory)); |
| |
| SegmentMerger merger = new SegmentMerger(directory, merged); |
| merger.add(r1); |
| merger.add(r2); |
| merger.merge(); |
| |
| directory.close(); |
| } |
| |
| static void printSegment(String segment) |
| throws Exception { |
| Directory directory = FSDirectory.getDirectory("test", false); |
| SegmentReader reader = |
| new SegmentReader(new SegmentInfo(segment, 1, directory)); |
| |
| for (int i = 0; i < reader.numDocs(); i++) |
| System.out.println(reader.document(i)); |
| |
| TermEnum tis = reader.terms(); |
| while (tis.next()) { |
| System.out.print(tis.term()); |
| System.out.println(" DF=" + tis.docFreq()); |
| |
| TermPositions positions = reader.termPositions(tis.term()); |
| try { |
| while (positions.next()) { |
| System.out.print(" doc=" + positions.doc()); |
| System.out.print(" TF=" + positions.freq()); |
| System.out.print(" pos="); |
| System.out.print(positions.nextPosition()); |
| for (int j = 1; j < positions.freq(); j++) |
| System.out.print("," + positions.nextPosition()); |
| System.out.println(""); |
| } |
| } finally { |
| positions.close(); |
| } |
| } |
| tis.close(); |
| reader.close(); |
| directory.close(); |
| } |
| } |