com.hazelcast.cp.internal.raft.impl.dto

Class InstallSnapshot

java.lang.Object

com.hazelcast.cp.internal.raft.impl.dto.InstallSnapshot

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable

public class InstallSnapshot
extends Object
implements IdentifiedDataSerializable

Struct for InstallSnapshot RPC.

See 7 Log compaction section of In Search of an Understandable Consensus Algorithm paper by Diego Ongaro and John Ousterhout.

Invoked by leader to send chunks of a snapshot to a follower. Leaders always send chunks in order.

Constructor Summary

Constructors

Constructor and Description
InstallSnapshot()
InstallSnapshot(RaftEndpoint leader, int term, SnapshotEntry snapshot, long queryRound)

Method Summary

Modifier and Type	Method and Description
int	getClassId() Returns type identifier for this class.
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
RaftEndpoint	leader()
long	queryRound()
void	readData(ObjectDataInput in) Reads fields from the input stream
SnapshotEntry	snapshot()
int	term()
String	toString()
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

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

Constructor Detail

InstallSnapshot

public InstallSnapshot()

InstallSnapshot

public InstallSnapshot(RaftEndpoint leader,
                       int term,
                       SnapshotEntry snapshot,
                       long queryRound)

Method Detail

leader

public RaftEndpoint leader()

term

public int term()

snapshot

public SnapshotEntry snapshot()

queryRound

public long queryRound()

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory ID for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory ID

getClassId

public int getClassId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. It should be unique per DataSerializableFactory.

Specified by:

getClassId in interface IdentifiedDataSerializable

Returns:

type ID

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the input stream has been closed.

toString

public String toString()

Overrides:

toString in class Object