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.

        if (gen > 0) {
          // Now that we've removed a commit point, which
          // should have orphan'd at least one index file.
          // Open & close a writer and assert that it
          // actually removed something:
          int preCount = dir.list().length;
          writer = new IndexWriter(dir, false, new WhitespaceAnalyzer(), false, policy);
          writer.close();
          int postCount = dir.list().length;
          assertTrue(postCount < preCount);
        }

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          // Open & close a writer and assert that it
          // actually removed something:
          int preCount = dir.list().length;
          writer = new IndexWriter(dir, false, new WhitespaceAnalyzer(), false, policy);
          writer.close();
          int postCount = dir.list().length;
          assertTrue(postCount < preCount);
        }
      }


      dir.close();

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                             "segments.gen"};
        if (!autoCommit) {
          expected[6] = "segments_3";
        }


        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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    reader.setNorm(21, "content", (float) 1.5);
    reader.close();


    // Now, artificially create an extra .del file & extra
    // .s0 file:
    String[] files = dir.list();


    /*
    for(int i=0;i<files.length;i++) {
      System.out.println(i + ": " + files[i]);
    }

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    copyFile(dir, "segments_a", "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);
    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);
    writer.close();


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


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

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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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                    "segments.gen"};


        if (!autoCommit)
          expected[3] = "segments_3";


        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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