org.jboss.weld.bean.builtin

Class InstanceImpl<T>

java.lang.Object

org.jboss.weld.bean.builtin.AbstractFacade<T,Instance<T>>

org.jboss.weld.bean.builtin.InstanceImpl<T>

Type Parameters:

T -

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<T>, Instance<T>, Provider<T>

public class InstanceImpl<T>
extends AbstractFacade<T,Instance<T>>
implements Instance<T>, java.io.Serializable

Helper implementation for Instance for getting instances

Author:

Gavin King

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.jboss.weld.bean.builtin.AbstractFacade

AbstractFacade.AbstractFacadeSerializationProxy<T,X>

Method Summary

Modifier and Type	Method and Description
void	destroy(T instance) When called, the container destroys the instance if the active context object for the scope type of the bean supports destroying bean instances.
T	get() Provides a fully-constructed and injected instance of T.
boolean	isAmbiguous() Determines if there is more than one bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected.
boolean	isUnsatisfied() Determines if there is no bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected.
java.util.Iterator<T>	iterator()
static <I> Instance<I>	of(InjectionPoint injectionPoint, CreationalContext<I> creationalContext, BeanManagerImpl beanManager)
Instance<T>	select(java.lang.annotation.Annotation... qualifiers) Obtains a child Instance for the given additional required qualifiers.
<U extends T> Instance<U>	select(java.lang.Class<U> subtype, java.lang.annotation.Annotation... qualifiers) Obtains a child Instance for the given required type and additional required qualifiers.
<U extends T> Instance<U>	select(TypeLiteral<U> subtype, java.lang.annotation.Annotation... qualifiers) Obtains a child Instance for the given required type and additional required qualifiers.
java.lang.String	toString() Gets a string representation

Methods inherited from class org.jboss.weld.bean.builtin.AbstractFacade

equals, getBeanManager, getCreationalContext, getFacadeType, getInjectionPoint, getQualifiers, getType, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

of

public static <I> Instance<I> of(InjectionPoint injectionPoint,
                                 CreationalContext<I> creationalContext,
                                 BeanManagerImpl beanManager)

get

public T get()

Description copied from interface: Provider

Provides a fully-constructed and injected instance of T.

Specified by:

get in interface Provider<T>

toString

public java.lang.String toString()

Gets a string representation

Overrides:

toString in class java.lang.Object

Returns:

A string representation

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

isAmbiguous

public boolean isAmbiguous()

Description copied from interface: Instance

Determines if there is more than one bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected.

Specified by:

isAmbiguous in interface Instance<T>

Returns:

true if there is more than one bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected, or false otherwise.

isUnsatisfied

public boolean isUnsatisfied()

Description copied from interface: Instance

Determines if there is no bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected.

Specified by:

isUnsatisfied in interface Instance<T>

Returns:

true if there is no bean that matches the required type and qualifiers and is eligible for injection into the class into which the parent Instance was injected, or false otherwise.

select

public Instance<T> select(java.lang.annotation.Annotation... qualifiers)

Description copied from interface: Instance

Obtains a child Instance for the given additional required qualifiers.

Specified by:

select in interface Instance<T>

Parameters:

qualifiers - the additional required qualifiers

Returns:

the child Instance

select

public <U extends T> Instance<U> select(java.lang.Class<U> subtype,
                                        java.lang.annotation.Annotation... qualifiers)

Description copied from interface: Instance

Obtains a child Instance for the given required type and additional required qualifiers.

Specified by:

select in interface Instance<T>

Type Parameters:

U - the required type

Parameters:

subtype - a Class representing the required type

qualifiers - the additional required qualifiers

Returns:

the child Instance

select

public <U extends T> Instance<U> select(TypeLiteral<U> subtype,
                                        java.lang.annotation.Annotation... qualifiers)

Description copied from interface: Instance

Obtains a child Instance for the given required type and additional required qualifiers.

Specified by:

select in interface Instance<T>

Type Parameters:

U - the required type

Parameters:

subtype - a TypeLiteral representing the required type

qualifiers - the additional required qualifiers

Returns:

the child Instance

destroy

public void destroy(T instance)

Description copied from interface: Instance

When called, the container destroys the instance if the active context object for the scope type of the bean supports destroying bean instances. All normal scoped built-in contexts support destroying bean instances.

The instance passed should either be a dependent scoped bean instance, or the client proxy for a normal scoped bean instance.

Specified by:

destroy in interface Instance<T>

Parameters:

instance - the instance to destroy