How to use
nextBlock
method
in
org.apache.avro.file.DataFileReader

Best Java code snippets using org.apache.avro.file.DataFileReader.nextBlock (Showing top 3 results out of 315)

Common ways to obtain DataFileReader

private void myMethod () {
 DataFileReader d =File file;DatumReader reader;new DataFileReader<>(file, reader)
SeekableInput sin;DatumReader reader;new DataFileReader<>(sin, reader)
SeekableInput sin;new DataFileReader<>(sin, new GenericDatumReader<Void>())
Smart code suggestions by Codota
}

public boolean next(TetherData data, NullWritable ignore)
 throws IOException {
 if (!reader.hasNext() || reader.pastSync(end))
  return false;
 data.buffer(reader.nextBlock());
 data.count((int)reader.getBlockCount());
 return true;
}

public boolean next(TetherData data, NullWritable ignore)
 throws IOException {
 if (!reader.hasNext() || reader.pastSync(end))
  return false;
 data.buffer(reader.nextBlock());
 data.count((int)reader.getBlockCount());
 return true;
}

public boolean next(TetherData data, NullWritable ignore)
 throws IOException {
 if (!reader.hasNext() || reader.pastSync(end))
  return false;
 data.buffer(reader.nextBlock());
 data.count((int)reader.getBlockCount());
 return true;
}

Popular methods of DataFileReader

<init>
Construct a reader for a file.
next
hasNext
close
openReader
Construct a reader for a file at the current position of the input, without reading the header.
getSchema
sync
Move to the next synchronization point after a position. To process a range of file entires, call th
previousSync
Return the last synchronization point before our current position.
seek
Move to a specific, known synchronization point, one returned from DataFileWriter#sync() while writi
pastSync
Return true if past the next synchronization point after a position.
getMeta
getMetaString

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How to use nextBlockmethodin org.apache.avro.file.DataFileReader

Best Java code snippets using org.apache.avro.file.DataFileReader.nextBlock (Showing top 3 results out of 315)

How to use
nextBlock
method
in
org.apache.avro.file.DataFileReader