Package org.apache.iotdb.db.wal.recover.file

Class UnsealedTsFileRecoverPerformer

java.lang.Object

org.apache.iotdb.db.wal.recover.file.AbstractTsFileRecoverPerformer

org.apache.iotdb.db.wal.recover.file.UnsealedTsFileRecoverPerformer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class UnsealedTsFileRecoverPerformer
extends AbstractTsFileRecoverPerformer

This class is used to help recover all unsealed TsFiles at zero level. There are 3 main procedures: start recovery, redo logs, and end recovery, you must call them in order. Notice: This class doesn't guarantee concurrency safety.

Field Summary

Fields inherited from class org.apache.iotdb.db.wal.recover.file.AbstractTsFileRecoverPerformer

tsFileResource, writer

Constructor Summary

Constructors

Constructor	Description
UnsealedTsFileRecoverPerformer(TsFileResource tsFileResource, boolean sequence, IDTable idTable, java.util.function.Consumer<UnsealedTsFileRecoverPerformer> callbackAfterUnsealedTsFileRecovered)

Method Summary

Modifier and Type	Method	Description
void	endRecovery()	Run last procedures to end this recovery
WALRecoverListener	getRecoverListener()
java.lang.String	getTsFileAbsolutePath()
TsFileResource	getTsFileResource()
org.apache.iotdb.tsfile.write.writer.RestorableTsFileIOWriter	getWriter()
boolean	isSequence()
void	redoLog(WALEntry walEntry)	Redo log
void	startRecovery()	Make preparation for recovery, including load .resource file (reconstruct when necessary) and truncate the file to remaining corrected data.

Methods inherited from class org.apache.iotdb.db.wal.recover.file.AbstractTsFileRecoverPerformer

canWrite, close, hasCrashed, reconstructResourceFile, recoverWithWriter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnsealedTsFileRecoverPerformer

public UnsealedTsFileRecoverPerformer(TsFileResource tsFileResource,
                                      boolean sequence,
                                      IDTable idTable,
                                      java.util.function.Consumer<UnsealedTsFileRecoverPerformer> callbackAfterUnsealedTsFileRecovered)

Method Detail

startRecovery

public void startRecovery()
                   throws DataRegionException,
                          java.io.IOException

Make preparation for recovery, including load .resource file (reconstruct when necessary) and truncate the file to remaining corrected data.

Throws:

DataRegionException

java.io.IOException

redoLog

public void redoLog(WALEntry walEntry)

Redo log

endRecovery

public void endRecovery()
                 throws WALRecoverException

Run last procedures to end this recovery

Throws:

WALRecoverException

getTsFileResource

public TsFileResource getTsFileResource()

getWriter

public org.apache.iotdb.tsfile.write.writer.RestorableTsFileIOWriter getWriter()

isSequence

public boolean isSequence()

getRecoverListener

public WALRecoverListener getRecoverListener()

getTsFileAbsolutePath

public java.lang.String getTsFileAbsolutePath()