public void doAppendBatch(WriteCommand writeRecord) throws IOException {
writeRecord.location.setDataFileId(dataFile.getDataFileId());
writeRecord.location.setOffset(offset + size);
size += writeRecord.location.getSize();
dataFile.incrementLength(writeRecord.location.getSize());
journal.addToTotalLength(writeRecord.location.getSize());
writes.offer(writeRecord);
}
public void doFirstBatch(WriteCommand controlRecord, WriteCommand writeRecord)
throws IOException {
controlRecord.location.setType(Journal.BATCH_CONTROL_RECORD_TYPE);
controlRecord.location.setSize(Journal.BATCH_CONTROL_RECORD_SIZE);
controlRecord.location.setDataFileId(dataFile.getDataFileId());
controlRecord.location.setOffset(offset);
writeRecord.location.setDataFileId(dataFile.getDataFileId());
writeRecord.location.setOffset(offset + Journal.BATCH_CONTROL_RECORD_SIZE);
size = Journal.BATCH_CONTROL_RECORD_SIZE + writeRecord.location.getSize();
dataFile.incrementLength(size);
journal.addToTotalLength(size);
writes.offer(controlRecord);
writes.offer(writeRecord);
}
