Package org.apache.hadoop.mapred.LineRecordReader

Examples of org.apache.hadoop.mapred.LineRecordReader.LineReader.readLine()

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    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 5, out.getLength());
    assertEquals("end of file", 0, in.readLine(out));
  }
 
  private static void writeFile(FileSystem fs, Path name,
                                CompressionCodec codec,
                                String contents) throws IOException {
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  }
 
  public void testUTF8() throws Exception {
    LineReader in = makeStream("abcd\u20acbdcd\u20ac");
    Text line = new Text();
    in.readLine(line);
    assertEquals("readLine changed utf8 characters",
                 "abcd\u20acbdcd\u20ac", line.toString());
    in = makeStream("abc\u200axyz");
    in.readLine(line);
    assertEquals("split on fake newline", "abc\u200axyz", line.toString());
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    Text line = new Text();
    in.readLine(line);
    assertEquals("readLine changed utf8 characters",
                 "abcd\u20acbdcd\u20ac", line.toString());
    in = makeStream("abc\u200axyz");
    in.readLine(line);
    assertEquals("split on fake newline", "abc\u200axyz", line.toString());
  }

  public void testNewLines() throws Exception {
    LineReader in = makeStream("a\nbb\n\nccc\rdddd\r\neeeee");
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  }

  public void testNewLines() throws Exception {
    LineReader in = makeStream("a\nbb\n\nccc\rdddd\r\neeeee");
    Text out = new Text();
    in.readLine(out);
    assertEquals("line1 length", 1, out.getLength());
    in.readLine(out);
    assertEquals("line2 length", 2, out.getLength());
    in.readLine(out);
    assertEquals("line3 length", 0, out.getLength());
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  public void testNewLines() throws Exception {
    LineReader in = makeStream("a\nbb\n\nccc\rdddd\r\neeeee");
    Text out = new Text();
    in.readLine(out);
    assertEquals("line1 length", 1, out.getLength());
    in.readLine(out);
    assertEquals("line2 length", 2, out.getLength());
    in.readLine(out);
    assertEquals("line3 length", 0, out.getLength());
    in.readLine(out);
    assertEquals("line4 length", 3, out.getLength());
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    Text out = new Text();
    in.readLine(out);
    assertEquals("line1 length", 1, out.getLength());
    in.readLine(out);
    assertEquals("line2 length", 2, out.getLength());
    in.readLine(out);
    assertEquals("line3 length", 0, out.getLength());
    in.readLine(out);
    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
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    assertEquals("line1 length", 1, out.getLength());
    in.readLine(out);
    assertEquals("line2 length", 2, out.getLength());
    in.readLine(out);
    assertEquals("line3 length", 0, out.getLength());
    in.readLine(out);
    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 5, out.getLength());
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    assertEquals("line2 length", 2, out.getLength());
    in.readLine(out);
    assertEquals("line3 length", 0, out.getLength());
    in.readLine(out);
    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 5, out.getLength());
    assertEquals("end of file", 0, in.readLine(out));
  }
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    assertEquals("line3 length", 0, out.getLength());
    in.readLine(out);
    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 5, out.getLength());
    assertEquals("end of file", 0, in.readLine(out));
  }
 
  public void testMaxLineLength() throws Exception {
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    assertEquals("line4 length", 3, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 4, out.getLength());
    in.readLine(out);
    assertEquals("line5 length", 5, out.getLength());
    assertEquals("end of file", 0, in.readLine(out));
  }
 
  public void testMaxLineLength() throws Exception {
    LineReader in = makeStream("a\nbb\n\nccc\rdddd\r\neeeee");
    Text out = new Text();
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