Examples of org.apache.lucene.store.Directory.list()

org.apache.lucene.store.Directory.list()
List the files in the directory. @deprecated For some Directory implementations ({@link FSDirectory}, and its subclasses), this method silently filters its results to include only index files. Please use {@link #listAll} instead, whichdoes no filtering.

    copyFile(dir, "segments_3", "segments_2");


    // Create a bogus cfs file shadowing a non-cfs segment:
    copyFile(dir, "_2.cfs", "_3.cfs");


    String[] filesPre = dir.list();


    // Open & close a writer: it should delete the above 4
    // files and nothing more:
    writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.LIMITED);
    writer.close();

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    // Open & close a writer: it should delete the above 4
    // files and nothing more:
    writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.LIMITED);
    writer.close();


    String[] files2 = dir.list();
    dir.close();


    Arrays.sort(files);
    Arrays.sort(files2);

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                    "_0_1.del",
                    "_0_1.s" + contentFieldIndex,
                    "segments_3",
                    "segments.gen"};


        String[] actual = dir.list();
        Arrays.sort(expected);
        Arrays.sort(actual);
        if (!Arrays.equals(expected, actual)) {
          fail("incorrect filenames in index: expected:\n    " + asString(expected) + "\n  actual:\n    " + asString(actual));
        }

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        writer.close();


        long gen = SegmentInfos.getCurrentSegmentGeneration(dir);
        assertTrue("segment generation should be > 1 but got " + gen, gen > 1);


        String[] files = dir.list();
        for(int i=0;i<files.length;i++) {
          if (files[i].endsWith(".cfs")) {
            dir.deleteFile(files[i]);
            break;
          }

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  private int getMemorySize(Object index) {
    if (index instanceof Directory) {
      try {
        Directory dir = (Directory) index;
        int size = 0;
        String[] fileNames = dir.list();
        for (int i=0; i < fileNames.length; i++) {
          size += dir.fileLength(fileNames[i]);
        }
        return size;
      }

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  private int getMemorySize(Object index) {
    if (index instanceof Directory) {
      try {
        Directory dir = (Directory) index;
        int size = 0;
        String[] fileNames = dir.list();
        for (int i=0; i < fileNames.length; i++) {
          size += dir.fileLength(fileNames[i]);
        }
        return size;
      }

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  private int getMemorySize(Object index) {
    if (index instanceof Directory) {
      try {
        Directory dir = (Directory) index;
        int size = 0;
        String[] fileNames = dir.list();
        for (int i=0; i < fileNames.length; i++) {
          size += dir.fileLength(fileNames[i]);
        }
        return size;
      }

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    // Make sure we didn't pick up too many incRef's along
    // the way -- this close should be the final close:
    dir1.close();


    try {
      dir1.list();
      fail("did not hit AlreadyClosedException");
    } catch (AlreadyClosedException ace) {
      // expected
    }
  }

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        writer.close();


        long gen = SegmentInfos.getCurrentSegmentGeneration(dir);
        assertTrue("segment generation should be > 1 but got " + gen, gen > 1);


        String[] files = dir.list();
        for(int i=0;i<files.length;i++) {
          if (files[i].endsWith(".cfs")) {
            dir.deleteFile(files[i]);
            break;
          }

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