io.zeebe.logstreams.snapshot

Class BaseValueSnapshotSupport

java.lang.Object

io.zeebe.logstreams.snapshot.BaseValueSnapshotSupport

All Implemented Interfaces:

ComposableSnapshotSupport, SnapshotSupport

public class BaseValueSnapshotSupport
extends Object
implements ComposableSnapshotSupport

Field Summary

Fields

Modifier and Type	Field and Description
protected org.agrona.ExpandableArrayBuffer	ioBuffer
protected io.zeebe.msgpack.spec.MsgPackReader	reader
protected BaseValue	value
protected io.zeebe.msgpack.spec.MsgPackWriter	writer

Constructor Summary

Constructors

Constructor and Description
BaseValueSnapshotSupport(BaseValue value)

Method Summary

Modifier and Type	Method and Description
void	recoverFromSnapshot(InputStream inputStream) read a snapshot from the provided input stream.
void	reset() Set the snapshot in the initial state.
long	snapshotSize()
long	writeSnapshot(OutputStream outputStream) write a snapshot to the provided output stream

Methods inherited from class java.lang.Object

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

Field Detail

value

protected final BaseValue value

writer

protected final io.zeebe.msgpack.spec.MsgPackWriter writer

reader

protected final io.zeebe.msgpack.spec.MsgPackReader reader

ioBuffer

protected final org.agrona.ExpandableArrayBuffer ioBuffer

Constructor Detail

BaseValueSnapshotSupport

public BaseValueSnapshotSupport(BaseValue value)

Method Detail

writeSnapshot

public long writeSnapshot(OutputStream outputStream)
                   throws Exception

Description copied from interface: SnapshotSupport

write a snapshot to the provided output stream

Specified by:

writeSnapshot in interface SnapshotSupport

Parameters:

outputStream - the stream to write to

Returns:

the size of the snapshot in bytes

Throws:

Exception

recoverFromSnapshot

public void recoverFromSnapshot(InputStream inputStream)
                         throws Exception

Description copied from interface: SnapshotSupport

read a snapshot from the provided input stream.

Specified by:

recoverFromSnapshot in interface SnapshotSupport

Parameters:

inputStream - the stream to read from

Throws:

Exception

reset

public void reset()

Description copied from interface: SnapshotSupport

Set the snapshot in the initial state.

Specified by:

reset in interface SnapshotSupport

snapshotSize

public long snapshotSize()

Specified by:

snapshotSize in interface ComposableSnapshotSupport