Class NoneScopelet

java.lang.Object

org.microbean.scopelet.Scopelet<NoneScopelet>

org.microbean.scopelet.NoneScopelet

All Implemented Interfaces:

AutoCloseable, Constable, Aggregate, Factory<NoneScopelet>

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 class org.microbean.scopelet.Scopelet

APPLICATION_ID, NONE_ID, SCOPE, SINGLETON_ID

Fields inherited from interface org.microbean.bean.Aggregate

EMPTY_ASSIGNMENTS, EMPTY_DEPENDENCIES

Constructor Summary

Constructors

Constructor	Description
NoneScopelet()	Creates a new NoneScopelet.

Method Summary

Modifier and Type	Method	Description
Optional<? extends ConstantDesc>	describeConstable()
<I> I	instance(Object ignoredBeanId, Factory<I> factory, Creation<I> creation)	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 Creation, or null

Methods inherited from class org.microbean.scopelet.Scopelet

active, close, closed, create, destroys, remove, singleton

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, 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()

Creates a new NoneScopelet.

Method Details

instance

public <I> I instance(Object ignoredBeanId,
 Factory<I> factory,
 Creation<I> creation)

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 Creation, or null

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

creation - a Creation, 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

See Also:

• Creation

describeConstable

public Optional<? extends ConstantDesc> describeConstable()

Specified by:

describeConstable in interface Constable

Specified by:

describeConstable in interface Factory<NoneScopelet>