Package io.camunda.zeebe.snapshots.impl

Class FileBasedSnapshotStoreImpl

java.lang.Object

io.camunda.zeebe.snapshots.impl.FileBasedSnapshotStoreImpl

public final class FileBasedSnapshotStoreImpl
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PENDING_DIRECTORY
static final String	SNAPSHOTS_DIRECTORY

Constructor Summary

Constructors

Constructor	Description
FileBasedSnapshotStoreImpl(int brokerId, int partitionId, Path root, CRC32CChecksumProvider checksumProvider, ConcurrencyControl actor)

Method Summary

Modifier and Type	Method	Description
ActorFuture<Boolean>	addSnapshotListener(PersistedSnapshotListener listener)
void	close()
ActorFuture<Void>	delete()
ActorFuture<Set<PersistedSnapshot>>	getAvailableSnapshots()
ActorFuture<Long>	getCompactionBound()
long	getCurrentSnapshotIndex()
Optional<PersistedSnapshot>	getLatestSnapshot()
Path	getPath()
boolean	hasSnapshotId(String id)
ActorFuture<FileBasedReceivedSnapshot>	newReceivedSnapshot(String snapshotId)
Either<SnapshotException,TransientSnapshot>	newTransientSnapshot(long index, long term, long processedPosition, long exportedPosition)
ActorFuture<Void>	purgePendingSnapshots()
ActorFuture<Boolean>	removeSnapshotListener(PersistedSnapshotListener listener)
void	restore(String snapshotId, Map<String,Path> snapshotFiles)
void	start()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

SNAPSHOTS_DIRECTORY

public static final String SNAPSHOTS_DIRECTORY

See Also:

• Constant Field Values

PENDING_DIRECTORY

public static final String PENDING_DIRECTORY

See Also:

• Constant Field Values

Constructor Details

FileBasedSnapshotStoreImpl

public FileBasedSnapshotStoreImpl(int brokerId,
 int partitionId,
 Path root,
 CRC32CChecksumProvider checksumProvider,
 ConcurrencyControl actor)

Method Details

start

public void start()

close

public void close()

hasSnapshotId

public boolean hasSnapshotId(String id)

getLatestSnapshot

public Optional<PersistedSnapshot> getLatestSnapshot()

getAvailableSnapshots

public ActorFuture<Set<PersistedSnapshot>> getAvailableSnapshots()

getCompactionBound

public ActorFuture<Long> getCompactionBound()

purgePendingSnapshots

public ActorFuture<Void> purgePendingSnapshots()

addSnapshotListener

public ActorFuture<Boolean> addSnapshotListener(PersistedSnapshotListener listener)

removeSnapshotListener

public ActorFuture<Boolean> removeSnapshotListener(PersistedSnapshotListener listener)

getCurrentSnapshotIndex

public long getCurrentSnapshotIndex()

delete

public ActorFuture<Void> delete()

getPath

public Path getPath()

newReceivedSnapshot

public ActorFuture<FileBasedReceivedSnapshot> newReceivedSnapshot(String snapshotId)

newTransientSnapshot

public Either<SnapshotException,TransientSnapshot> newTransientSnapshot(long index,
 long term,
 long processedPosition,
 long exportedPosition)

toString

public String toString()

Overrides:

toString in class Object

restore

public void restore(String snapshotId,
 Map<String,Path> snapshotFiles)
             throws IOException

Throws:

IOException