Module java.base

Package java.util.concurrent

Enum Class Future.State

java.lang.Object

java.lang.Enum<Future.State>

java.util.concurrent.Future.State

All Implemented Interfaces:

Serializable, Comparable<Future.State>, Constable

Enclosing interface:

Future<V>

public static enum Future.State
extends Enum<Future.State>

Represents the computation state.

Since:

19

Nested Class Summary

Nested classes/interfaces declared in class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
CANCELLED	The task was cancelled.
FAILED	The task completed with an exception.
RUNNING	The task has not completed.
SUCCESS	The task completed with a result.

Method Summary

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

Methods declared in class java.lang.Enum

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

Methods declared in class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

RUNNING

public static final Future.State RUNNING

The task has not completed.

SUCCESS

public static final Future.State SUCCESS

The task completed with a result.

See Also:

• Future.resultNow()

FAILED

public static final Future.State FAILED

The task completed with an exception.

See Also:

• Future.exceptionNow()

CANCELLED

public static final Future.State CANCELLED

The task was cancelled.

See Also:

• Future.cancel(boolean)

Method Details

values

public static Future.State[] 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 Future.State 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