private void writeLog(Row m) throws IOException { LineWriter writer = this.writer; if (usePartition) { List<String> key = new ArrayList<String>(holders.size()); Date date = m.getDate(); for (PartitionPlaceholder holder : holders) key.add(holder.getKey(date)); PartitionOutput output = outputs.get(key); if (output == null) { output = new PartitionOutput(writerFactory, pathToken, tmpPath, date, encoding, overwrite); outputs.put(key, output); if (logger.isDebugEnabled()) logger.debug( "araqne logdb: new partition found key [{}] tmpPath [{}] filePath [{}] date [{}]", new Object[] {key, tmpPath, pathToken, date}); } writer = output.getWriter(); } writer.write(m); }