Package org.apache.spark.streaming

Enum Class StreamingContextState

Object

Enum<StreamingContextState>

org.apache.spark.streaming.StreamingContextState

All Implemented Interfaces:

Serializable, Comparable<StreamingContextState>, Constable

@DeveloperApi
public enum StreamingContextState
extends Enum<StreamingContextState>

:: DeveloperApi :: Represents the state of a StreamingContext.

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
ACTIVE	The context has been started, and been not stopped.
INITIALIZED	The context has been created, but not been started yet.
STOPPED	The context has been stopped and cannot be used any more.

Method Summary

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

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

INITIALIZED

public static final StreamingContextState INITIALIZED

The context has been created, but not been started yet. Input DStreams, transformations and output operations can be created on the context.

ACTIVE

public static final StreamingContextState ACTIVE

The context has been started, and been not stopped. Input DStreams, transformations and output operations cannot be created on the context.

STOPPED

public static final StreamingContextState STOPPED

The context has been stopped and cannot be used any more.

Method Details

values

public static StreamingContextState[] 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 StreamingContextState 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