com.bigdata.ha

Enum HAStatusEnum

java.lang.Object

java.lang.Enum<HAStatusEnum>

com.bigdata.ha.HAStatusEnum

All Implemented Interfaces:

Serializable, Comparable<HAStatusEnum>

public enum HAStatusEnum
extends Enum<HAStatusEnum>

An enumeration of HA status values. The set of enumerated states available here is intentionally a simplification of the internal states of the HA service.

Author:

Bryan Thompson

Enum Constant Summary

Enum Constants

Enum Constant and Description
Follower Ready to handle requests as a quorum follower.
Leader Ready to handle requests as the quorum leader.
NotReady Not ready to handle HA read/write requests.

Method Summary

Methods

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

public static final HAStatusEnum Leader

Ready to handle requests as the quorum leader.

Follower

public static final HAStatusEnum Follower

Ready to handle requests as a quorum follower.

NotReady

public static final HAStatusEnum NotReady

Not ready to handle HA read/write requests.

Method Detail

values

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

Returns:

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

valueOf

public static HAStatusEnum 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