io.atomix.core.election

Class Leader<T>

java.lang.Object

io.atomix.core.election.Leader<T>

public class Leader<T>
extends Object

Topic leader.

Identified by the node identifier and a monotonically increasing term number. The term number is incremented by one every time a new node is elected as leader. Also available is the system clock time at the instant when this node was elected as leader. Keep in mind though that as with any system clock based time stamps this particular information susceptible to clock skew and should only be relied on for simple diagnostic purposes.

Constructor Summary

Constructors

Constructor and Description
Leader(T id, long term, long termStartTime)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
int	hashCode()
T	id() Returns the identifier for of leader.
<U> Leader<U>	map(Function<T,U> mapper) Converts the leader identifier using the given mapping function.
long	term() Returns the leader's term.
long	timestamp() Returns the system time when the current leadership term started.
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Leader

public Leader(T id,
              long term,
              long termStartTime)

Method Detail

id

public T id()

Returns the identifier for of leader.

Returns:

node identifier

term

public long term()

Returns the leader's term.

Returns:

leader term

timestamp

public long timestamp()

Returns the system time when the current leadership term started.

Returns:

current leader term start time

map

public <U> Leader<U> map(Function<T,U> mapper)

Converts the leader identifier using the given mapping function.

Type Parameters:

U - the converted type

Parameters:

mapper - the mapping function with which to convert the identifier

Returns:

the converted leader object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object