org.apache.iotdb.db.sync.receiver.load

接口 ILoadLogger

所有已知实现类:

LoadLogger

public interface ILoadLogger

This interface is used to log progress in the process of loading deleted files and new tsfiles. If the loading tasks are completed normally and there are no exceptions, the log records will be deleted; otherwise, the status can be restored according to the log at the start of each task. It ensures the correctness of synchronization module when system crashed or network abnormality occurred.

字段概要

字段

限定符和类型	字段和说明
static String	LOAD_DELETED_FILE_NAME_START
static String	LOAD_TSFILE_START

方法概要

限定符和类型	方法和说明
void	close()
void	finishLoadDeletedFile(File file) After a deleted file is loaded, record it in load log.
void	finishLoadTsfile(File file) After a new tsfile is loaded, record it in load log.
void	startLoadDeletedFiles() Start to load deleted files.
void	startLoadTsFiles() Start to load tsfiles

字段详细资料

LOAD_DELETED_FILE_NAME_START

static final String LOAD_DELETED_FILE_NAME_START

另请参阅:

常量字段值

LOAD_TSFILE_START

static final String LOAD_TSFILE_START

另请参阅:

常量字段值

方法详细资料

startLoadDeletedFiles

void startLoadDeletedFiles()
                    throws IOException

Start to load deleted files.

抛出:

IOException

finishLoadDeletedFile

void finishLoadDeletedFile(File file)
                    throws IOException

After a deleted file is loaded, record it in load log.

参数:

file - deleted file to be loaded

抛出:

IOException

startLoadTsFiles

void startLoadTsFiles()
               throws IOException

Start to load tsfiles

抛出:

IOException

finishLoadTsfile

void finishLoadTsfile(File file)
               throws IOException

After a new tsfile is loaded, record it in load log.

参数:

file - new tsfile to be loaded

抛出:

IOException

close

void close()
    throws IOException

抛出:

IOException