Class NoneScopelet

java.lang.Object

org.microbean.scopelet.Scopelet<NoneScopelet>

org.microbean.scopelet.NoneScopelet

All Implemented Interfaces:

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

public class NoneScopelet
extends Scopelet<NoneScopelet>
implements Constable

A Scopelet implementation that does not cache objects at all.

Author:

Laird Nelson

Field Summary

Fields inherited from interface org.microbean.bean.Aggregate

EMPTY_ASSIGNMENTS, EMPTY_DEPENDENCIES

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
Optional<? extends ConstantDesc>	describeConstable()
Id	id()	Returns an Id representing this Scopelet.
<I> I	instance(Object ignoredBeanId, Factory<I> factory, Request<I> request)	Checks to see if this Scopelet is active and then returns a pre-existing or created-on-demand contextual instance suitable for the combination of identifier, Factory and Request.

Methods inherited from class org.microbean.scopelet.Scopelet

active, bean, close, closed, containsId, create, destroys, equals, get, governedBy, governingScopeId, hashCode, instance, remove, 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

NoneScopelet

public NoneScopelet(Domain domain)

Creates a new NoneScopelet.

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<NoneScopelet>

Returns:

an Id representing this Scopelet; never null

See Also:

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

instance

public <I> I instance(Object ignoredBeanId,
 Factory<I> factory,
 Request<I> request)

Description copied from class: Scopelet

Checks to see if this Scopelet is active and then returns a pre-existing or created-on-demand contextual instance suitable for the combination of identifier, Factory and Request.

Specified by:

instance in class Scopelet<NoneScopelet>

Type Parameters:

I - the type of contextual instance

Parameters:

ignoredBeanId - an identifier that can identify a contextual instance; may be null

factory - a Factory; may be null

request - a Request, typically the one in effect that is causing this method to be invoked in the first place; may be null

Returns:

a contextual instance, possibly pre-existing, or possibly created just in time, or null

describeConstable

public Optional<? extends ConstantDesc> describeConstable()

Specified by:

describeConstable in interface Constable

Specified by:

describeConstable in interface Factory<NoneScopelet>