journal.io.api

Interface RecoveryErrorHandler

All Known Implementing Classes:

RecoveryErrorHandler.AbortOnError, RecoveryErrorHandler.DeleteOnError, RecoveryErrorHandler.IgnoreOnError

public interface RecoveryErrorHandler

Interface to implement for dealing with checksum errors during journal recovery.

Author:

Sergio Bossa

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	RecoveryErrorHandler.AbortOnError
static class	RecoveryErrorHandler.DeleteOnError
static class	RecoveryErrorHandler.IgnoreOnError

Field Summary

Fields

Modifier and Type	Field and Description
static RecoveryErrorHandler	ABORT On recovery error, aborts the recovery process, preventing the journal to be opened.
static RecoveryErrorHandler	DELETE On recovery error, mark the failed locations as deleted and continue the recovery process.
static RecoveryErrorHandler	IGNORE On recovery error, log about the failed locations and continue the recovery process.

Method Summary

Methods

Modifier and Type	Method and Description
void	onError(Journal journal, List<Location> locations) Invoked by the journal during its recovery process in case of a checksum error for the given locations.

Field Detail

ABORT

static final RecoveryErrorHandler ABORT

On recovery error, aborts the recovery process, preventing the journal to be opened. This is the strictest but safest choice.

DELETE

static final RecoveryErrorHandler DELETE

On recovery error, mark the failed locations as deleted and continue the recovery process.

IGNORE

static final RecoveryErrorHandler IGNORE

On recovery error, log about the failed locations and continue the recovery process.

Method Detail

onError

void onError(Journal journal,
           List<Location> locations)
             throws IOException

Invoked by the journal during its recovery process in case of a checksum error for the given locations. Please note this method will be invoked once for any batch containing failed locations.

Throws:

IOException