Package org.onosproject.cluster

Enum LeadershipEvent.Type

java.lang.Object

java.lang.Enum<LeadershipEvent.Type>

org.onosproject.cluster.LeadershipEvent.Type

All Implemented Interfaces:

Serializable, Comparable<LeadershipEvent.Type>

Enclosing class:

LeadershipEvent

public static enum LeadershipEvent.Type
extends Enum<LeadershipEvent.Type>

Type of leadership events.

Enum Constant Summary

Enum Constants

Enum Constant	Description
CANDIDATES_CHANGED	Signifies a change in the list of candidates for a topic.
LEADER_AND_CANDIDATES_CHANGED	Signifies a change in both the leader as well as change to the list of candidates.
LEADER_CHANGED	Signifies that the leader for a topic has changed.
SERVICE_DISRUPTED	Signifies the Leadership Elector is unavailable.
SERVICE_RESTORED	Signifies the Leadership Elector is available again.

Method Summary

Modifier and Type	Method	Description
static LeadershipEvent.Type	valueOf(String name)	Returns the enum constant of this type with the specified name.
static LeadershipEvent.Type[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

LEADER_AND_CANDIDATES_CHANGED

public static final LeadershipEvent.Type LEADER_AND_CANDIDATES_CHANGED

Signifies a change in both the leader as well as change to the list of candidates. Keep in mind though that the first node entering the race will trigger this event as it will become a candidate and automatically get promoted to become leader.

LEADER_CHANGED

public static final LeadershipEvent.Type LEADER_CHANGED

Signifies that the leader for a topic has changed.

CANDIDATES_CHANGED

public static final LeadershipEvent.Type CANDIDATES_CHANGED

Signifies a change in the list of candidates for a topic.

SERVICE_DISRUPTED

public static final LeadershipEvent.Type SERVICE_DISRUPTED

Signifies the Leadership Elector is unavailable.

SERVICE_RESTORED

public static final LeadershipEvent.Type SERVICE_RESTORED

Signifies the Leadership Elector is available again.

Method Detail

values

public static LeadershipEvent.Type[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (LeadershipEvent.Type c : LeadershipEvent.Type.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static LeadershipEvent.Type valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null