org.apache.webbeans.container
Class InjectionResolver

java.lang.Object
  org.apache.webbeans.container.InjectionResolver

public class InjectionResolver
extends Object

Injection point resolver class.

It is a singleton class per BeanManager. It is responsible for resolving the bean instances at the injection points for its bean manager.

Version:

$Rev: 1539593 $ $Date: 2013-11-07 12:05:29 +0100 (Thu, 07 Nov 2013) $

See Also:

WebBeansFinder

Constructor Summary

InjectionResolver(WebBeansContext webBeansContext)
Creates a new injection resolve for given bean manager.

Method Summary

void	checkInjectionPoint(InjectionPoint injectionPoint) Check that a valid enabled bean exists in the deployment for the given injection point definition.
void	checkInjectionPointType(InjectionPoint injectionPoint) Check the type of the injection point.
void	clearCaches() Clear caches.
Set<Bean<?>>	findByAlternatives(Set<Bean<?>> result) Gets alternatives from set.
Set<Bean<?>>	findByAlternatives(Set<Bean<?>> result, String bdaBeansXMLFilePath) Gets alternatives from set.
Set<Bean<?>>	findBySpecialization(Set<Bean<?>> result) Returns specialized beans if exists, otherwise return input result
Bean<?>	getInjectionPointBean(InjectionPoint injectionPoint) Returns bean for injection point.
Set<Bean<?>>	implResolveByName(String name) Returns set of beans for given bean name.
Set<Bean<?>>	implResolveByType(boolean isDelegate, Type injectionPointType, Annotation... qualifiers) Resolution by type.
Set<Bean<?>>	implResolveByType(boolean isDelegate, Type injectionPointType, Class<?> injectionPointClass, Annotation... qualifiers) Resolution by type.
<X> Bean<? extends X>	resolve(Set<Bean<? extends X>> beans)
<X> Set<Bean<? extends X>>	resolveAll(Set<Bean<? extends X>> beans)

Methods inherited from class java.lang.Object

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

Constructor Detail

InjectionResolver

public InjectionResolver(WebBeansContext webBeansContext)

Creates a new injection resolve for given bean manager.

Parameters:

webBeansContext - WebBeansContext

Method Detail

clearCaches

public void clearCaches()

Clear caches.

checkInjectionPointType

public void checkInjectionPointType(InjectionPoint injectionPoint)

Check the type of the injection point.

Injection point type can not be TypeVariable.

Parameters:

injectionPoint - injection point

Throws:

WebBeansConfigurationException - if not obey the rule

checkInjectionPoint

public void checkInjectionPoint(InjectionPoint injectionPoint)

Check that a valid enabled bean exists in the deployment for the given injection point definition.

Parameters:

injectionPoint - injection point

Throws:

WebBeansConfigurationException - If bean is not available in the current deployment for given injection

getInjectionPointBean

public Bean<?> getInjectionPointBean(InjectionPoint injectionPoint)

Returns bean for injection point.

Parameters:

injectionPoint - injection point declaration

Returns:

bean for injection point

implResolveByName

public Set<Bean<?>> implResolveByName(String name)

Returns set of beans for given bean name.

Parameters:

name - bean name

Returns:

set of beans for given bean name

implResolveByType

public Set<Bean<?>> implResolveByType(boolean isDelegate,
                                      Type injectionPointType,
                                      Annotation... qualifiers)

Resolution by type.

Parameters:

isDelegate - whether the InjectionPoint is for a Delegate

injectionPointType - injection point api type

qualifiers - qualifiers of the injection point

Returns:

set of resolved beans

implResolveByType

public Set<Bean<?>> implResolveByType(boolean isDelegate,
                                      Type injectionPointType,
                                      Class<?> injectionPointClass,
                                      Annotation... qualifiers)

Resolution by type.

Parameters:

isDelegate - whether the InjectionPoint is for a Delegate

injectionPointType - injection point api type

qualifiers - qualifiers of the injection point

Returns:

set of resolved beans

findBySpecialization

public Set<Bean<?>> findBySpecialization(Set<Bean<?>> result)

Returns specialized beans if exists, otherwise return input result

Parameters:

result - result beans

Returns:

specialized beans if exists, otherwise return input result

findByAlternatives

public Set<Bean<?>> findByAlternatives(Set<Bean<?>> result)

Gets alternatives from set.

Parameters:

result - resolved set

Returns:

containes alternatives

findByAlternatives

public Set<Bean<?>> findByAlternatives(Set<Bean<?>> result,
                                       String bdaBeansXMLFilePath)

Gets alternatives from set.

Parameters:

result - resolved set

Returns:

containes alternatives

resolve

public <X> Bean<? extends X> resolve(Set<Bean<? extends X>> beans)

resolveAll

public <X> Set<Bean<? extends X>> resolveAll(Set<Bean<? extends X>> beans)