StreamXmlRecordReader.java 文件源码

public synchronized boolean next(Text key, Text value) throws IOException {
  numNext++;
  if (pos_ >= end_) {
    return false;
  }

  DataOutputBuffer buf = new DataOutputBuffer();
  if (!readUntilMatchBegin()) {
    return false;
  }
  if (pos_ >= end_ || !readUntilMatchEnd(buf)) {
    return false;
  }

  // There is only one elem..key/value splitting is not done here.
  byte[] record = new byte[buf.getLength()];
  System.arraycopy(buf.getData(), 0, record, 0, record.length);

  numRecStats(record, 0, record.length);

  key.set(record);
  value.set("");

  return true;
}