org.opendaylight.controller.cluster.raft.messages

Enum ServerChangeStatus

java.lang.Object

java.lang.Enum<ServerChangeStatus>

org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus

All Implemented Interfaces:

Serializable, Comparable<ServerChangeStatus>

public enum ServerChangeStatus
extends Enum<ServerChangeStatus>

Enumerates server configuration change status reply codes.

Author:

Thomas Pantelis

Enum Constant Summary

Enum Constants

Enum Constant and Description
ALREADY_EXISTS For an AddServer request, the server to add already exists.
DOES_NOT_EXIST For a RemoveServer request, the server to remove does not exist.
INVALID_REQUEST Some part of the request is invalid.
NO_LEADER No leader exists to process the request.
NOT_SUPPORTED An unsupported request, for example removing the leader in a single node cluster.
OK Request successfully completed.
PRIOR_REQUEST_CONSENSUS_TIMEOUT The leader could not process the request due to a prior request that timed out while trying to achieve replication consensus.
TIMEOUT For an AddServer request, the leader timed out trying to install a snapshot on the new server.

Method Summary

Modifier and Type	Method and Description
static ServerChangeStatus	valueOf(String name) Returns the enum constant of this type with the specified name.
static ServerChangeStatus[]	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

OK

public static final ServerChangeStatus OK

Request successfully completed.

NO_LEADER

public static final ServerChangeStatus NO_LEADER

No leader exists to process the request.

TIMEOUT

public static final ServerChangeStatus TIMEOUT

For an AddServer request, the leader timed out trying to install a snapshot on the new server.

ALREADY_EXISTS

public static final ServerChangeStatus ALREADY_EXISTS

For an AddServer request, the server to add already exists.

DOES_NOT_EXIST

public static final ServerChangeStatus DOES_NOT_EXIST

For a RemoveServer request, the server to remove does not exist.

PRIOR_REQUEST_CONSENSUS_TIMEOUT

public static final ServerChangeStatus PRIOR_REQUEST_CONSENSUS_TIMEOUT

The leader could not process the request due to a prior request that timed out while trying to achieve replication consensus.

NOT_SUPPORTED

public static final ServerChangeStatus NOT_SUPPORTED

An unsupported request, for example removing the leader in a single node cluster.

INVALID_REQUEST

public static final ServerChangeStatus INVALID_REQUEST

Some part of the request is invalid.

Method Detail

values

public static ServerChangeStatus[] 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 (ServerChangeStatus c : ServerChangeStatus.values())
    System.out.println(c);

Returns:

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

valueOf

public static ServerChangeStatus 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