FileDocCategorySizeDatePackage
DocTest.javaAPI DocApache Lucene 1.4.33740Tue Apr 20 21:33:36 BST 2004org.apache.lucene.index

DocTest

public class DocTest extends Object
Copyright 2004 The Apache Software Foundation Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Fields Summary
Constructors Summary
Methods Summary
public static voidindexDoc(java.lang.String segment, java.lang.String fileName)

    Directory directory = FSDirectory.getDirectory("test", false);
    Analyzer analyzer = new SimpleAnalyzer();
    DocumentWriter writer =
      new DocumentWriter(directory, analyzer, Similarity.getDefault(), 1000);

    File file = new File(fileName);
    Document doc = FileDocument.Document(file);

    writer.addDocument(segment, doc);

    directory.close();
public static voidmain(java.lang.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());
      e.printStackTrace();
    }
static voidmerge(java.lang.String seg1, java.lang.String seg2, java.lang.String merged)

    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, false);
    merger.add(r1);
    merger.add(r2);
    merger.merge();
    merger.closeReaders();

    directory.close();
static voidprintSegment(java.lang.String segment)

    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();