Module io.helidon.service.registry

Package io.helidon.service.registry

Enum Class DependencyCardinality

java.lang.Object

java.lang.Enum<DependencyCardinality>

io.helidon.service.registry.DependencyCardinality

All Implemented Interfaces:

Serializable, Comparable<DependencyCardinality>, Constable

public enum DependencyCardinality
extends Enum<DependencyCardinality>

Cardinality of the injection point.

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
LIST	List of instances.
OPTIONAL	Optional instance (the dependency is declared as Optional<MyContract>, this does not imply nullability.
REQUIRED	Required instance.

Method Summary

Modifier and Type	Method	Description
static DependencyCardinality	valueOf(String name)	Returns the enum constant of this class with the specified name.
static DependencyCardinality[]	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

OPTIONAL

public static final DependencyCardinality OPTIONAL

Optional instance (the dependency is declared as Optional<MyContract>, this does not imply nullability.

REQUIRED

public static final DependencyCardinality REQUIRED

Required instance.

LIST

public static final DependencyCardinality LIST

List of instances.

Method Details

values

public static DependencyCardinality[] 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 DependencyCardinality 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