Package io.permazen.kv.raft.msg

Class PingRequest

java.lang.Object

io.permazen.kv.raft.msg.Message

io.permazen.kv.raft.msg.PingRequest

public class PingRequest
extends Message

Sent from hermits to other nodes when trying to establish communication with a majority.

Constructor Summary

Constructors

Constructor	Description
PingRequest(int clusterId, String senderId, String recipientId, long term, Timestamp timestamp)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected int	calculateSize(int version)	Calculate the number of bytes required by writeTo().
Timestamp	getTimestamp()	Get the ping request timestamp.
String	toString()
void	visit(MessageSwitch handler)	Apply the visitor pattern based on this instance's type.
void	writeTo(ByteBuffer dest, int version)	Serialize this instance into the given buffer.

Methods inherited from class io.permazen.kv.raft.msg.Message

calculateSize, calculateSize, calculateSize, decode, decodeProtocolVersion, encode, getBoolean, getByteBuffer, getClusterId, getCurrentProtocolVersion, getRecipientId, getSenderId, getString, getTerm, getTimestamp, isLeaderMessage, putBoolean, putByteBuffer, putString, putTimestamp

Methods inherited from class java.lang.Object

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

Constructor Details

PingRequest

public PingRequest(int clusterId,
 String senderId,
 String recipientId,
 long term,
 Timestamp timestamp)

Constructor.

Parameters:

clusterId - cluster ID

senderId - identity of sender

recipientId - identity of recipient

term - sender's current term

timestamp - request timestamp

Method Details

visit

public void visit(MessageSwitch handler)

Description copied from class: Message

Apply the visitor pattern based on this instance's type.

Specified by:

visit in class Message

Parameters:

handler - target for visit

getTimestamp

public Timestamp getTimestamp()

Get the ping request timestamp.

Returns:

ping request timestamp

writeTo

public void writeTo(ByteBuffer dest,
 int version)

Description copied from class: Message

Serialize this instance into the given buffer.

Overrides:

writeTo in class Message

Parameters:

dest - destination for encoded data

version - protocol encoding version number

calculateSize

protected int calculateSize(int version)

Description copied from class: Message

Calculate the number of bytes required by writeTo().

Overrides:

calculateSize in class Message

Parameters:

version - protocol encoding version

Returns:

an upper bound on the number of encoded bytes

toString

public String toString()

Specified by:

toString in class Message