Package io.quarkus.arc

Interface InjectableInstance<T>

Type Parameters:

T -

All Superinterfaces:

jakarta.enterprise.inject.Instance<T>, Iterable<T>, jakarta.inject.Provider<T>

All Known Implementing Classes:

InstanceImpl

public interface InjectableInstance<T>
extends jakarta.enterprise.inject.Instance<T>

Enhanced version of Instance.

Nested Class Summary

Nested classes/interfaces inherited from interface jakarta.enterprise.inject.Instance

jakarta.enterprise.inject.Instance.Handle<T extends Object>

Method Summary

Modifier and Type	Method	Description
void	clearCache()	Removes the cached result of the Provider.get() operation.
InstanceHandle<T>	getHandle()
Iterable<InstanceHandle<T>>	handles()
Iterator<T>	iterator()	This method attempts to resolve ambiguities.
default T	orElse(T other)	If there is exactly one bean that matches the required type and qualifiers, returns the instance, otherwise returns other.
default T	orNull()	If there is exactly one bean that matches the required type and qualifiers, returns the instance, otherwise returns null.
<U extends T> InjectableInstance<U>	select(jakarta.enterprise.util.TypeLiteral<U> subtype, Annotation... qualifiers)
InjectableInstance<T>	select(Annotation... qualifiers)
<U extends T> InjectableInstance<U>	select(Class<U> subtype, Annotation... qualifiers)

Methods inherited from interface jakarta.enterprise.inject.Instance

destroy, handlesStream, isAmbiguous, isResolvable, isUnsatisfied, stream

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface jakarta.inject.Provider

get

Method Detail

getHandle

InstanceHandle<T> getHandle()

Specified by:

getHandle in interface jakarta.enterprise.inject.Instance<T>

handles

Iterable<InstanceHandle<T>> handles()

Specified by:

handles in interface jakarta.enterprise.inject.Instance<T>

select

InjectableInstance<T> select(Annotation... qualifiers)

Specified by:

select in interface jakarta.enterprise.inject.Instance<T>

select

<U extends T> InjectableInstance<U> select(Class<U> subtype,
                                           Annotation... qualifiers)

Specified by:

select in interface jakarta.enterprise.inject.Instance<T>

select

<U extends T> InjectableInstance<U> select(jakarta.enterprise.util.TypeLiteral<U> subtype,
                                           Annotation... qualifiers)

Specified by:

select in interface jakarta.enterprise.inject.Instance<T>

clearCache

void clearCache()

Removes the cached result of the Provider.get() operation. If the cached result was a contextual reference of a Dependent bean, destroy the reference as well.

See Also:

WithCaching

iterator

Iterator<T> iterator()

This method attempts to resolve ambiguities.

In general, if multiple beans are eligible then the container eliminates all beans that are:

• not alternatives, except for producer methods and fields of beans that are alternatives,
• default beans.

Specified by:

iterator in interface Iterable<T>

Returns:

an iterator over the contextual references of the disambiguated beans

See Also:

DefaultBean

orElse

default T orElse(T other)

If there is exactly one bean that matches the required type and qualifiers, returns the instance, otherwise returns other.

Parameters:

other -

Returns:

the bean instance or the other value

orNull

default T orNull()

If there is exactly one bean that matches the required type and qualifiers, returns the instance, otherwise returns null.

Parameters:

other -

Returns:

the bean instance or null