Package org.apache.iotdb.db.utils.writelog

Interface Summary

Interface	Description
ILogReader	ILogReader is an iterator of PhysicalPlan but throws IOException and provide a close() method.
ILogWriter	ILogWriter provides functions to insert WAL logs that have already been converted to bytes to a persistent medium.

Class Summary

Class	Description
BatchLogReader	BatchedLogReader reads logs from a binary batch of log in the format of ByteBuffer.
LogWriter	LogWriter writes the binary logs into a file using FileChannel together with check sums of each log calculated using CRC32.
MultiFileLogReader	MultiFileLogReader constructs SingleFileLogReaders for a list of WAL files, and retrieve logs from the files one-by-one.
SingleFileLogReader	SingleFileLogReader reads binarized WAL logs from a file through a DataInputStream by scanning the file from head to tail.