Package org.apache.hadoop.hdfs.server.namenode

Enum Class Quota

java.lang.Object

java.lang.Enum<Quota>

org.apache.hadoop.hdfs.server.namenode.Quota

All Implemented Interfaces:

Serializable, Comparable<Quota>, Constable

public enum Quota
extends Enum<Quota>

Quota types.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	org.apache.hadoop.hdfs.server.namenode.Quota.Counts	Counters for quota counts.

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

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
NAMESPACE	The namespace usage, i.e. the number of name objects.
STORAGESPACE	The storage space usage in bytes including replication.

Method Summary

Modifier and Type	Method	Description
static boolean	isViolated(long quota, long usage)	Is quota violated?
static Quota	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Quota[]	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

NAMESPACE

public static final Quota NAMESPACE

The namespace usage, i.e. the number of name objects.

STORAGESPACE

public static final Quota STORAGESPACE

The storage space usage in bytes including replication.

Method Details

values

public static Quota[] 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 Quota 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

isViolated

public static boolean isViolated(long quota,
 long usage)

Is quota violated? The quota is violated if quota is set and usage > quota.