Package io.quarkus.arc.impl

Class InstanceImpl<T>

java.lang.Object

io.quarkus.arc.impl.InstanceImpl<T>

All Implemented Interfaces:

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

public class InstanceImpl<T>
extends Object
implements InjectableInstance<T>

Author:

Martin Kouba

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.
void	destroy(Object instance)
static jakarta.enterprise.inject.Instance<Object>	forSynthesis(CreationalContextImpl<?> creationalContext, boolean allowInjectionPointLookup)
T	get()
InstanceHandle<T>	getHandle()
Iterable<InstanceHandle<T>>	handles()
boolean	hasDependentInstances()
boolean	isAmbiguous()
boolean	isUnsatisfied()
Iterator<T>	iterator()	This method attempts to resolve ambiguities.
<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 class java.lang.Object

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

Methods inherited from interface io.quarkus.arc.InjectableInstance

orElse, orNull

Methods inherited from interface jakarta.enterprise.inject.Instance

handlesStream, isResolvable, stream

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Details

forSynthesis

public static jakarta.enterprise.inject.Instance<Object> forSynthesis(CreationalContextImpl<?> creationalContext,
 boolean allowInjectionPointLookup)

iterator

public Iterator<T> iterator()

Description copied from interface: InjectableInstance

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 InjectableInstance<T>

Specified by:

iterator in interface Iterable<T>

Returns:

an iterator over the contextual references of the disambiguated beans

See Also:

• DefaultBean

get

public T get()

Specified by:

get in interface jakarta.inject.Provider<T>

select

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

Specified by:

select in interface InjectableInstance<T>

Specified by:

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

select

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

Specified by:

select in interface InjectableInstance<T>

Specified by:

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

select

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

Specified by:

select in interface InjectableInstance<T>

Specified by:

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

isUnsatisfied

public boolean isUnsatisfied()

Specified by:

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

isAmbiguous

public boolean isAmbiguous()

Specified by:

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

destroy

public void destroy(Object instance)

Specified by:

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

getHandle

public InstanceHandle<T> getHandle()

Specified by:

getHandle in interface InjectableInstance<T>

Specified by:

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

handles

public Iterable<InstanceHandle<T>> handles()

Specified by:

handles in interface InjectableInstance<T>

Specified by:

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

hasDependentInstances

public boolean hasDependentInstances()

clearCache

public void clearCache()

Description copied from interface: InjectableInstance

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.

Specified by:

clearCache in interface InjectableInstance<T>

See Also:

• WithCaching