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 ClassLoader per JVM. It is responsible for resolving the bean instances at the injection points for its bean manager.

Version:

$Rev: 1182780 $ $Date: 2011-10-13 13:11:03 +0200 (Do, 13 Okt 2011) $

See Also:

WebBeansFinder

Field Summary

static ThreadLocal<javax.enterprise.inject.spi.InjectionPoint>

injectionPoints

Constructor Summary

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

Method Summary

void	checkInjectionPoints(javax.enterprise.inject.spi.InjectionPoint injectionPoint) Check that bean exist in the deployment for given injection point definition.
void	checkInjectionPointType(javax.enterprise.inject.spi.InjectionPoint injectionPoint) Check the type of the injection point.
void	clearCaches() Clear caches.
Set<javax.enterprise.inject.spi.Bean<?>>	findByAlternatives(Set<javax.enterprise.inject.spi.Bean<?>> result) Gets alternatives from set.
Set<javax.enterprise.inject.spi.Bean<?>>	findByAlternatives(Set<javax.enterprise.inject.spi.Bean<?>> result, String bdaBeansXMLFilePath) Gets alternatives from set.
Set<javax.enterprise.inject.spi.Bean<?>>	findBySpecialization(Set<javax.enterprise.inject.spi.Bean<?>> result) Returns specialized beans if exists, otherwise return input result
javax.enterprise.inject.spi.Bean<?>	getInjectionPointBean(javax.enterprise.inject.spi.InjectionPoint injectionPoint) Returns bean for injection point.
static InjectionResolver	getInstance() Returns bean manager injection resolver.
Set<javax.enterprise.inject.spi.Bean<?>>	implResolveByName(String name) Returns set of beans for given bean name.
Set<javax.enterprise.inject.spi.Bean<?>>	implResolveByType(Type injectionPointType, Annotation... qualifiers) Resolution by type.
Set<javax.enterprise.inject.spi.Bean<?>>	implResolveByType(Type injectionPointType, Class<?> injectinPointClass, Annotation... qualifiers) Resolution by type.

Methods inherited from class java.lang.Object

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

Field Detail

injectionPoints

public static ThreadLocal<javax.enterprise.inject.spi.InjectionPoint> injectionPoints

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.

getInstance

public static InjectionResolver getInstance()

Returns bean manager injection resolver.

Returns:

bean manager injection resolver

See Also:

WebBeansFinder

checkInjectionPointType

public void checkInjectionPointType(javax.enterprise.inject.spi.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

checkInjectionPoints

public void checkInjectionPoints(javax.enterprise.inject.spi.InjectionPoint injectionPoint)

Check that bean exist in the deployment for given injection point definition.

Parameters:

injectionPoint - injection point

Throws:

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

getInjectionPointBean

public javax.enterprise.inject.spi.Bean<?> getInjectionPointBean(javax.enterprise.inject.spi.InjectionPoint injectionPoint)

Returns bean for injection point.

Parameters:

injectionPoint - injection point declaration

Returns:

bean for injection point

implResolveByName

public Set<javax.enterprise.inject.spi.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<javax.enterprise.inject.spi.Bean<?>> implResolveByType(Type injectionPointType,
                                                                  Annotation... qualifiers)

Resolution by type.

Parameters:

injectionPointType - injection point api type

qualifiers - qualifiers of the injection point

Returns:

set of resolved beans

implResolveByType

public Set<javax.enterprise.inject.spi.Bean<?>> implResolveByType(Type injectionPointType,
                                                                  Class<?> injectinPointClass,
                                                                  Annotation... qualifiers)

Resolution by type.

Parameters:

injectionPointType - injection point api type

qualifiers - qualifiers of the injection point

Returns:

set of resolved beans

findBySpecialization

public Set<javax.enterprise.inject.spi.Bean<?>> findBySpecialization(Set<javax.enterprise.inject.spi.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<javax.enterprise.inject.spi.Bean<?>> findByAlternatives(Set<javax.enterprise.inject.spi.Bean<?>> result)

Gets alternatives from set.

Parameters:

result - resolved set

Returns:

containes alternatives

findByAlternatives

public Set<javax.enterprise.inject.spi.Bean<?>> findByAlternatives(Set<javax.enterprise.inject.spi.Bean<?>> result,
                                                                   String bdaBeansXMLFilePath)

Gets alternatives from set.

Parameters:

result - resolved set

Returns:

containes alternatives