org.apache.webbeans.decorator

Class WebBeansDecorator<T>

java.lang.Object

org.apache.webbeans.component.AbstractOwbBean<T>

org.apache.webbeans.component.AbstractInjectionTargetBean<T>

org.apache.webbeans.decorator.WebBeansDecorator<T>

Type Parameters:

T - decorator type info

All Implemented Interfaces:

javax.enterprise.context.spi.Contextual<T>, javax.enterprise.inject.spi.Bean<T>, javax.enterprise.inject.spi.Decorator<T>, InjectionTargetBean<T>, InterceptedMarker, OwbBean<T>, OwbDecorator<T>

public class WebBeansDecorator<T>
extends AbstractInjectionTargetBean<T>
implements OwbDecorator<T>

Defines decorators. It wraps the bean instance related with decorator class. Actually, each decorator is an instance of the ManagedBean.

Version:

$Rev$ $Date$

Field Summary

Fields

Modifier and Type	Field and Description
protected Set<Annotation>	delegateBindings Delegate field bindings
protected Field	delegateField
protected Type	delegateType Delegate field class type

Fields inherited from class org.apache.webbeans.component.AbstractInjectionTargetBean

decorators, inheritedMetaData, interceptorStack

Fields inherited from class org.apache.webbeans.component.AbstractOwbBean

apiTypes, enabled, implQualifiers, injectionPoints, logger, name, nullable, passivatingId, returnType, scopeClass, serializable, specializedBean, stereoTypeClasses, stereoTypes, webBeansContext, webBeansType

Constructor Summary

Constructors

Constructor and Description
WebBeansDecorator(AbstractInjectionTargetBean<T> wrappedBean) Creates a new decorator bean instance with the given wrapped bean.
WebBeansDecorator(AbstractInjectionTargetBean<T> wrappedBean, javax.enterprise.inject.spi.Decorator<T> customDecorator) Creates a new decorator bean instance with the given wrapped bean and custom decorator bean.

Method Summary

Methods

Modifier and Type	Method and Description
protected T	createInstance(javax.enterprise.context.spi.CreationalContext<T> creationalContext) Creates the instance of the bean that has a specific implementation type.
Class<?>	getBeanClass() Get return types of the bean.
Class<?>	getClazz()
Set<Type>	getDecoratedTypes()
Set<Annotation>	getDelegateQualifiers()
Type	getDelegateType()
Set<javax.enterprise.inject.spi.InjectionPoint>	getInjectionPoints()
String	getName() Name of the bean.
Set<Annotation>	getQualifiers()
Class<? extends Annotation>	getScope()
Set<Class<? extends Annotation>>	getStereotypes()
Set<Type>	getTypes()
protected void	init()
protected void	initDelegate()
boolean	isAlternative()
boolean	isDecoratorMatch(Set<Type> apiTypes, Set<Annotation> annotations)
boolean	isNullable()
boolean	isPassivationCapable() True if passivation capable false otherwise.
boolean	isSerializable() Returns true if bean is capable of serializable, false otherwise.
void	setDelegate(Object instance, Object delegate)
void	setInjections(Object proxy, javax.enterprise.context.spi.CreationalContext<?> cretionalContext)
void	validatePassivationDependencies() If bean is passivation capable, it validate all of its dependencies.

Methods inherited from class org.apache.webbeans.component.AbstractInjectionTargetBean

addInjectedField, addInjectedFieldToSuper, addInjectedMethod, addInjectedMethodToSuper, addObservableMethod, afterConstructor, beforeConstructor, createComponentInstance, createDefaultInstance, destroyComponentInstance, destroyInstance, getAnnotatedType, getDecoratorStack, getInheritedMetaData, getInjectedFields, getInjectedFromSuperFields, getInjectedFromSuperMethods, getInjectedMethods, getInterceptorStack, getObservableMethods, injectFields, injectMethods, injectResources, injectSuperFields, injectSuperMethods, postConstruct, postConstructDefault, preDestroy, preDestroyDefault, setAnnotatedType, setInheritedMetaData

Methods inherited from class org.apache.webbeans.component.AbstractOwbBean

addApiType, addInjectionPoint, addQualifier, addStereoType, create, createNewInstance, destroy, destroyCreatedInstance, equals, getId, getInjectionPoint, getLogger, getManager, getOwbStereotypes, getReturnType, getWebBeansContext, getWebBeansType, hashCode, isDependent, isEnabled, isSpecializedBean, setEnabled, setImplScopeType, setName, setNullable, setSerializable, setSpecializedBean, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.enterprise.context.spi.Contextual

create, destroy

Methods inherited from interface org.apache.webbeans.component.OwbBean

addApiType, addInjectionPoint, addQualifier, addStereoType, createNewInstance, destroyCreatedInstance, getId, getInjectionPoint, getOwbStereotypes, getReturnType, getWebBeansContext, getWebBeansType, isDependent, isEnabled, isSpecializedBean, setEnabled, setImplScopeType, setName, setNullable, setSerializable, setSpecializedBean

Field Detail

delegateType

protected Type delegateType

Delegate field class type

delegateBindings

protected Set<Annotation> delegateBindings

Delegate field bindings

delegateField

protected Field delegateField

Constructor Detail

WebBeansDecorator

public WebBeansDecorator(AbstractInjectionTargetBean<T> wrappedBean,
                 javax.enterprise.inject.spi.Decorator<T> customDecorator)

Creates a new decorator bean instance with the given wrapped bean and custom decorator bean.

Parameters:

wrappedBean - wrapped bean instance

customDecorator - custom decorator

WebBeansDecorator

public WebBeansDecorator(AbstractInjectionTargetBean<T> wrappedBean)

Creates a new decorator bean instance with the given wrapped bean.

Parameters:

wrappedBean - wrapped bean instance

Method Detail

init

protected void init()

initDelegate

protected void initDelegate()

isPassivationCapable

public boolean isPassivationCapable()

Description copied from interface: OwbBean

True if passivation capable false otherwise.

Specified by:

isPassivationCapable in interface OwbBean<T>

Overrides:

isPassivationCapable in class AbstractOwbBean<T>

Returns:

true if this bean is passivation capable

isDecoratorMatch

public boolean isDecoratorMatch(Set<Type> apiTypes,
                       Set<Annotation> annotations)

Specified by:

isDecoratorMatch in interface OwbDecorator<T>

getDelegateQualifiers

public Set<Annotation> getDelegateQualifiers()

Specified by:

getDelegateQualifiers in interface javax.enterprise.inject.spi.Decorator<T>

getDelegateType

public Type getDelegateType()

Specified by:

getDelegateType in interface javax.enterprise.inject.spi.Decorator<T>

setDelegate

public void setDelegate(Object instance,
               Object delegate)

Specified by:

setDelegate in interface OwbDecorator<T>

createInstance

protected T createInstance(javax.enterprise.context.spi.CreationalContext<T> creationalContext)

Description copied from class: AbstractInjectionTargetBean

Creates the instance of the bean that has a specific implementation type. Each subclass must define its own create mechanism.

Overrides:

createInstance in class AbstractInjectionTargetBean<T>

Parameters:

creationalContext - the contextual instance shall be created in

Returns:

instance of the bean

setInjections

public void setInjections(Object proxy,
                 javax.enterprise.context.spi.CreationalContext<?> cretionalContext)

Specified by:

setInjections in interface OwbDecorator<T>

getQualifiers

public Set<Annotation> getQualifiers()

Specified by:

getQualifiers in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getQualifiers in class AbstractOwbBean<T>

getName

public String getName()

Description copied from class: AbstractOwbBean

Name of the bean.

Specified by:

getName in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getName in class AbstractOwbBean<T>

Returns:

name of the bean

getScope

public Class<? extends Annotation> getScope()

Specified by:

getScope in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getScope in class AbstractOwbBean<T>

getTypes

public Set<Type> getTypes()

Specified by:

getTypes in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getTypes in class AbstractOwbBean<T>

isNullable

public boolean isNullable()

Description copied from class: AbstractOwbBean

Specified by:

isNullable in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

isNullable in class AbstractOwbBean<T>

isSerializable

public boolean isSerializable()

Description copied from class: AbstractOwbBean

Returns true if bean is capable of serializable, false otherwise.

Specified by:

isSerializable in interface OwbBean<T>

Overrides:

isSerializable in class AbstractOwbBean<T>

Returns:

true if bean is serializable

getInjectionPoints

public Set<javax.enterprise.inject.spi.InjectionPoint> getInjectionPoints()

Description copied from class: AbstractOwbBean

Specified by:

getInjectionPoints in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getInjectionPoints in class AbstractOwbBean<T>

getClazz

public Class<?> getClazz()

Returns:

the clazz

getBeanClass

public Class<?> getBeanClass()

Description copied from class: AbstractOwbBean

Get return types of the bean. As per section 11.1 it is defined as "returns the bean class of the managed bean or session bean or of the bean that declares the producer method or field." Which means in case of a producer field or method, we need to return the class where the producer field/method is defined in.

Specified by:

getBeanClass in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getBeanClass in class AbstractOwbBean<T>

getStereotypes

public Set<Class<? extends Annotation>> getStereotypes()

Description copied from class: AbstractOwbBean

Specified by:

getStereotypes in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

getStereotypes in class AbstractOwbBean<T>

getDecoratedTypes

public Set<Type> getDecoratedTypes()

Specified by:

getDecoratedTypes in interface javax.enterprise.inject.spi.Decorator<T>

isAlternative

public boolean isAlternative()

Description copied from class: AbstractOwbBean

Specified by:

isAlternative in interface javax.enterprise.inject.spi.Bean<T>

Overrides:

isAlternative in class AbstractOwbBean<T>

validatePassivationDependencies

public void validatePassivationDependencies()

Description copied from interface: OwbBean

If bean is passivation capable, it validate all of its dependencies.

Specified by:

validatePassivationDependencies in interface OwbBean<T>

Overrides:

validatePassivationDependencies in class AbstractInjectionTargetBean<T>