Module iu.util.type.impl

Package iu.type

Class ComponentResourceReference<R,T>

java.lang.Object

iu.type.ComponentResourceReference<R,T>

Type Parameters:

R - referrer type

T - resource type

All Implemented Interfaces:

InstanceReference<R>, IuResourceReference<R,T>, Consumer<R>

class ComponentResourceReference<R,T>
extends Object
implements IuResourceReference<R,T>, InstanceReference<R>

Implementation of IuResource;

Constructor Summary

Constructors

Constructor	Description
ComponentResourceReference(DeclaredAttribute<R,? super T> attribute, Resource resource)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	accept(R referrer)	Accepts a referrer instance as a binding target.
void	bind(IuResource<T> resource)	Binds a resource to all referrer instances.
void	clear(R referrer)	Clears all references to an instance.
boolean	isBound()	Determines whether or not the reference has been bound.
String	name()	Gets the resource name.
IuType<?,R>	referrerType()	Gets the referrer type.
String	toString()
TypeTemplate<?,T>	type()	Gets the resource type
T	value(R referrer)	Gets the default value to use when the resource reference could not be bound to an environment entry or container resource.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Details

ComponentResourceReference

ComponentResourceReference(DeclaredAttribute<R,? super T> attribute,
 Resource resource)

Constructor.

Parameters:

attribute - facade for the attribute backing the resource

resource - resource annotation associated with the attribute

Method Details

name

public String name()

Description copied from interface: IuResourceReference

Gets the resource name.

Specified by:

name in interface IuResourceReference<R,T>

Returns:

resource name

type

public TypeTemplate<?,T> type()

Description copied from interface: IuResourceReference

Gets the resource type

Specified by:

type in interface IuResourceReference<R,T>

Returns:

resource type

referrerType

public IuType<?,R> referrerType()

Description copied from interface: IuResourceReference

Gets the referrer type.

Specified by:

referrerType in interface IuResourceReference<R,T>

Returns:

referrer type

isBound

public boolean isBound()

Description copied from interface: IuResourceReference

Determines whether or not the reference has been bound.

Specified by:

isBound in interface IuResourceReference<R,T>

Returns:

true if bound with a non-null resource; else false

bind

public void bind(IuResource<T> resource)

Description copied from interface: IuResourceReference

Binds a resource to all referrer instances.

A reference to the bound resource will be provided to all referrer instances accepted prior to binding. Once bound, new referrer instances will be provided a reference to the resource when accepted.

Specified by:

bind in interface IuResourceReference<R,T>

Parameters:

resource - IuResource to bind to the reference; may be null to unbind the reference

accept

public void accept(R referrer)

Description copied from interface: IuResourceReference

Accepts a referrer instance as a binding target.

Specified by:

accept in interface Consumer<R>

Specified by:

accept in interface IuResourceReference<R,T>

Parameters:

referrer - referrer instance

value

public T value(R referrer)

Description copied from interface: IuResourceReference

Gets the default value to use when the resource reference could not be bound to an environment entry or container resource.

Specified by:

value in interface IuResourceReference<R,T>

Parameters:

referrer - referrer instance

Returns:

default value; null if no default is defined for the reference

clear

public void clear(R referrer)

Description copied from interface: InstanceReference

Clears all references to an instance.

Reverses Consumer.accept(Object).

Specified by:

clear in interface InstanceReference<R>

Parameters:

referrer - instance

toString

public String toString()

Overrides:

toString in class Object