Class SingletonScopelet

java.lang.Object

org.microbean.scopelet.Scopelet<SingletonScopelet>

org.microbean.scopelet.MapBackedScopelet<SingletonScopelet>

org.microbean.scopelet.SingletonScopelet

All Implemented Interfaces:

AutoCloseable, Constable, Aggregate, Factory<SingletonScopelet>, ScopeMember

public class SingletonScopelet
extends MapBackedScopelet<SingletonScopelet>
implements Constable

A MapBackedScopelet implementation that caches singletons.

Author:

Laird Nelson

Field Summary

Fields inherited from interface org.microbean.bean.Aggregate

EMPTY_ASSIGNMENTS, EMPTY_DEPENDENCIES

Constructor Summary

Constructors

Constructor	Description
SingletonScopelet(Domain domain)	Creates a new SingletonScopelet.

Method Summary

Modifier and Type	Method	Description
Optional<? extends ConstantDesc>	describeConstable()
Id	id()	Returns an Id representing this Scopelet.

Methods inherited from class org.microbean.scopelet.MapBackedScopelet

close, instance, remove

Methods inherited from class org.microbean.scopelet.Scopelet

active, bean, closed, containsId, create, destroys, equals, get, governedBy, governingScopeId, hashCode, instance, scopeId, singleton

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.microbean.bean.Aggregate

assign, dependencies

Methods inherited from interface org.microbean.bean.Factory

destroy

Constructor Details

SingletonScopelet

public SingletonScopelet(Domain domain)

Creates a new SingletonScopelet.

Parameters:

domain - a Domain; must not be null

Throws:

NullPointerException - if domain is null

Method Details

id

public Id id()

Description copied from class: Scopelet

Returns an Id representing this Scopelet.

Implementations of this method must return determinate values.

Specified by:

id in class Scopelet<SingletonScopelet>

Returns:

an Id representing this Scopelet; never null

See Also:

• Scopelet.governingScopeId()
• Scopelet.bean()

describeConstable

public Optional<? extends ConstantDesc> describeConstable()

Specified by:

describeConstable in interface Constable

Specified by:

describeConstable in interface Factory<SingletonScopelet>