io.zeebe.logstreams.impl.snapshot.fs

Class FsReadableSnapshot

java.lang.Object

io.zeebe.logstreams.impl.snapshot.fs.FsSnapshotMetadata

io.zeebe.logstreams.impl.snapshot.fs.FsReadableSnapshot

All Implemented Interfaces:

ReadableSnapshot, SnapshotMetadata

public class FsReadableSnapshot
extends FsSnapshotMetadata
implements ReadableSnapshot

Field Summary

Fields

Modifier and Type	Field and Description
protected File	checksumFile
protected FsSnapshotStorageConfiguration	config
protected File	dataFile
protected DigestInputStream	inputStream

Fields inherited from class io.zeebe.logstreams.impl.snapshot.fs.FsSnapshotMetadata

checksum, name, position, replicable, size

Constructor Summary

Constructors

Constructor and Description
FsReadableSnapshot(FsSnapshotStorageConfiguration config, File dataFile, File checksumFile, long position)

Method Summary

Modifier and Type	Method and Description
void	delete() Deletes the snapshot and related data.
File	getChecksumFile()
InputStream	getData() Input stream to read the snapshot data.
File	getDataFile()
protected DigestInputStream	initDataInputStream()
protected void	tryInit()
void	validateAndClose() Consumers of this API must call this method after having read the input stream.

Methods inherited from class io.zeebe.logstreams.impl.snapshot.fs.FsSnapshotMetadata

getChecksum, getName, getPosition, getSize, isReplicable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.zeebe.logstreams.spi.ReadableSnapshot

recoverFromSnapshot

Methods inherited from interface io.zeebe.logstreams.spi.SnapshotMetadata

getChecksum, getName, getPosition, getSize, isReplicable

Field Detail

config

protected final FsSnapshotStorageConfiguration config

dataFile

protected final File dataFile

checksumFile

protected final File checksumFile

inputStream

protected DigestInputStream inputStream

Constructor Detail

FsReadableSnapshot

public FsReadableSnapshot(FsSnapshotStorageConfiguration config,
                          File dataFile,
                          File checksumFile,
                          long position)

Method Detail

tryInit

protected void tryInit()

initDataInputStream

protected DigestInputStream initDataInputStream()
                                         throws Exception

Throws:

Exception

validateAndClose

public void validateAndClose()
                      throws InvalidSnapshotException

Description copied from interface: ReadableSnapshot

Consumers of this API must call this method after having read the input stream. The method validates that the bytes read are valid and closes any underlying resources.

Specified by:

validateAndClose in interface ReadableSnapshot

Throws:

InvalidSnapshotException - if not valid

delete

public void delete()

Description copied from interface: ReadableSnapshot

Deletes the snapshot and related data.

Specified by:

delete in interface ReadableSnapshot

getData

public InputStream getData()

Description copied from interface: ReadableSnapshot

Input stream to read the snapshot data.

Specified by:

getData in interface ReadableSnapshot

Returns:

the snapshot data as input stream

getChecksumFile

public File getChecksumFile()

getDataFile

public File getDataFile()