org.apache.hadoop.hbase.quotas

Class SpaceQuotaSnapshotNotifierFactory

java.lang.Object

org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshotNotifierFactory

@InterfaceAudience.Private
public class SpaceQuotaSnapshotNotifierFactory
extends Object

Factory for creating SpaceQuotaSnapshotNotifier implementations. Implementations must have a no-args constructor.

Field Summary

Fields

Modifier and Type	Field and Description
private static SpaceQuotaSnapshotNotifierFactory	INSTANCE
static Class<? extends SpaceQuotaSnapshotNotifier>	SNAPSHOT_NOTIFIER_DEFAULT
static String	SNAPSHOT_NOTIFIER_KEY

Constructor Summary

Constructors

Modifier	Constructor and Description
private	SpaceQuotaSnapshotNotifierFactory()

Method Summary

Modifier and Type	Method and Description
SpaceQuotaSnapshotNotifier	create(org.apache.hadoop.conf.Configuration conf) Instantiates the SpaceQuotaSnapshotNotifier implementation as defined in the configuration provided.
static SpaceQuotaSnapshotNotifierFactory	getInstance()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

private static final SpaceQuotaSnapshotNotifierFactory INSTANCE

SNAPSHOT_NOTIFIER_KEY

public static final String SNAPSHOT_NOTIFIER_KEY

See Also:

Constant Field Values

SNAPSHOT_NOTIFIER_DEFAULT

public static final Class<? extends SpaceQuotaSnapshotNotifier> SNAPSHOT_NOTIFIER_DEFAULT

Constructor Detail

SpaceQuotaSnapshotNotifierFactory

private SpaceQuotaSnapshotNotifierFactory()

Method Detail

getInstance

public static SpaceQuotaSnapshotNotifierFactory getInstance()

create

public SpaceQuotaSnapshotNotifier create(org.apache.hadoop.conf.Configuration conf)

Instantiates the SpaceQuotaSnapshotNotifier implementation as defined in the configuration provided.

Parameters:

conf - Configuration object

Returns:

The SpaceQuotaSnapshotNotifier implementation

Throws:

IllegalArgumentException - if the class could not be instantiated