Package org.apache.pulsar.common.migration

Enum Class MigrationPhase

java.lang.Object

java.lang.Enum<MigrationPhase>

org.apache.pulsar.common.migration.MigrationPhase

All Implemented Interfaces:

Serializable, Comparable<MigrationPhase>, Constable

public enum MigrationPhase
extends Enum<MigrationPhase>

Represents the different phases of metadata store migration.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
COMPLETED	Migration completed.
COPYING	Data copy phase.
FAILED	Migration has failed.
NOT_STARTED	No migration in progress.
PREPARATION	Migration preparation phase.

Method Summary

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

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NOT_STARTED

public static final MigrationPhase NOT_STARTED

No migration in progress. Operating normally on source store only.

PREPARATION

public static final MigrationPhase PREPARATION

Migration preparation phase. All brokers and bookies are recreating their ephemeral nodes in the target store.

COPYING

public static final MigrationPhase COPYING

Data copy phase. The migration coordinator is copying persistent data from source to target store.

COMPLETED

public static final MigrationPhase COMPLETED

Migration completed. All services are using target store. Source store can be decommissioned after configuration update and restart.

FAILED

public static final MigrationPhase FAILED

Migration has failed. System has rolled-back to used the old metadata store.

Method Details

values

public static MigrationPhase[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static MigrationPhase valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null