Package org.jboss.weld.util

Class Beans

java.lang.Object

org.jboss.weld.util.Beans

public class Beans
extends Object

Helper class for bean inspection

Author:

Pete Muir, David Allen, Marius Bogoevici, Ales Justin, Jozef Hartinger

Method Summary

Modifier and Type	Method	Description
static <T> void	callInitializers(T instance, CreationalContext<T> creationalContext, BeanManagerImpl manager, Iterable<? extends MethodInjectionPoint<?,?>> initializerMethods)	Calls all initializers of the bean
static <T,S,X extends EnhancedAnnotated<T,S>> X	checkEnhancedAnnotatedAvailable(X enhancedAnnotated)
static boolean	containsAllInterceptionBindings(Set<Annotation> expectedBindings, Set<QualifierInstance> existingBindings, BeanManagerImpl manager)
static boolean	containsAllQualifiers(Set<QualifierInstance> requiredQualifiers, Set<QualifierInstance> qualifiers)	Checks that all the qualifiers in the set requiredQualifiers are in the set of qualifiers.
static String	createBeanAttributesId(BeanAttributes<?> attributes)	Generates a unique signature for BeanAttributes.
static String	createTypeCollectionId(Collection<? extends Type> types)	Generates a unique signature of a collection of types.
static <T> EnhancedAnnotatedConstructor<T>	getBeanConstructor(EnhancedAnnotatedType<T> type)
static <T> EnhancedAnnotatedConstructor<T>	getBeanConstructorStrict(EnhancedAnnotatedType<T> type)
static Class<? extends Annotation>	getBeanDefiningAnnotationScope(AnnotatedType<?> annotatedType)
static Type	getDeclaredBeanType(Class<?> clazz)	Gets the declared bean type
static org.jboss.weld.serialization.spi.BeanIdentifier	getIdentifier(Contextual<?> contextual, org.jboss.weld.bootstrap.api.ServiceRegistry serviceRegistry)
static org.jboss.weld.serialization.spi.BeanIdentifier	getIdentifier(Contextual<?> contextual, org.jboss.weld.serialization.spi.ContextualStore contextualStore)
static List<EnhancedAnnotatedMethod<?,?>>	getInterceptableMethods(EnhancedAnnotatedType<?> type)
static Set<Type>	getLegalBeanTypes(Set<Type> types, Object baseType, Type... additionalTypes)
static Set<Type>	getTypedTypes(Map<Class<?>,Type> typeClosure, Class<?> rawType, Typed typed)	Bean types of a bean that uses the Typed annotation.
static Set<Type>	getTypes(EnhancedAnnotated<?,?> annotated)	Illegal bean types are ignored except for array and primitive types and unless Typed is used.
static boolean	hasBuiltinScope(Bean<?> bean)
static boolean	hasSimpleCdiConstructor(AnnotatedType<?> type)
static <T> void	injectBoundFields(T instance, CreationalContext<T> creationalContext, BeanManagerImpl manager, Iterable<? extends FieldInjectionPoint<?,?>> injectableFields)	Injects bound fields
static <T> void	injectEEFields(Iterable<Set<ResourceInjection<?>>> resourceInjectionsHierarchy, T beanInstance, CreationalContext<T> ctx)	Injects EJBs and other EE resources.
static <T> void	injectFieldsAndInitializers(T instance, CreationalContext<T> ctx, BeanManagerImpl beanManager, List<? extends Iterable<? extends FieldInjectionPoint<?,?>>> injectableFields, List<? extends Iterable<? extends MethodInjectionPoint<?,?>>> initializerMethods)
static boolean	isAlternative(EnhancedAnnotated<?,?> annotated, MergedStereotypes<?,?> mergedStereotypes)	Is alternative.
static boolean	isBeanEnabled(Bean<?> bean, ModuleEnablement enabled)
static boolean	isBeanProxyable(Bean<?> bean, BeanManagerImpl manager)	Indicates if a bean is proxyable
static <T> boolean	isDecorator(EnhancedAnnotatedType<T> annotatedItem)
static boolean	isDecoratorDeclaringInAppropriateConstructor(AnnotatedType<?> annotatedType)
static boolean	isDecoratorDeclaringInAppropriateConstructor(org.jboss.weld.resources.spi.ClassFileInfo classFileInfo)
static <T> boolean	isInterceptor(AnnotatedType<T> annotatedItem)
static boolean	isPassivatingScope(Bean<?> bean, BeanManagerImpl manager)	Indicates if a bean's scope type is passivating
static boolean	isPassivationCapableBean(Bean<?> bean)	Tests if a bean is capable of having its state temporarily stored to secondary storage
static boolean	isPassivationCapableDependency(Bean<?> bean)	Tests if a bean is capable of having its state temporarily stored to secondary storage
static boolean	isTypeManagedBeanOrDecoratorOrInterceptor(AnnotatedType<?> annotatedType)	Indicates if the type is a simple Web Bean
static boolean	isTypeManagedBeanOrDecoratorOrInterceptor(org.jboss.weld.resources.spi.ClassFileInfo classFileInfo, boolean checkTypeModifiers)
static boolean	isVetoed(Class<?> javaClass)	Determines if this Java class should be vetoed as a result of presence of Veto annotations.
static boolean	isVetoed(AnnotatedType<?> type)
static Set<Annotation>	mergeInQualifiers(BeanManagerImpl manager, Collection<Annotation> qualifiers, Annotation[] newQualifiers)
static <T extends Bean<?>> Set<T>	removeDisabledBeans(Set<T> beans, BeanManagerImpl beanManager)	Retains only beans which are enabled.
static boolean	shouldIgnoreFinalMethods(Bean<?> bean)
static Bean<?>	unwrap(Bean<?> bean)

Methods inherited from class java.lang.Object

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

Method Detail

isPassivatingScope

public static boolean isPassivatingScope(Bean<?> bean,
                                         BeanManagerImpl manager)

Indicates if a bean's scope type is passivating

Parameters:

bean - The bean to inspect

Returns:

True if the scope is passivating, false otherwise

isPassivationCapableBean

public static boolean isPassivationCapableBean(Bean<?> bean)

Tests if a bean is capable of having its state temporarily stored to secondary storage

Parameters:

bean - The bean to inspect

Returns:

True if the bean is passivation capable

isPassivationCapableDependency

public static boolean isPassivationCapableDependency(Bean<?> bean)

Tests if a bean is capable of having its state temporarily stored to secondary storage

Parameters:

bean - The bean to inspect

Returns:

True if the bean is passivation capable

isBeanProxyable

public static boolean isBeanProxyable(Bean<?> bean,
                                      BeanManagerImpl manager)

Indicates if a bean is proxyable

Parameters:

bean - The bean to test

Returns:

True if proxyable, false otherwise

getInterceptableMethods

public static List<EnhancedAnnotatedMethod<?,?>> getInterceptableMethods(EnhancedAnnotatedType<?> type)

containsAllQualifiers

public static boolean containsAllQualifiers(Set<QualifierInstance> requiredQualifiers,
                                            Set<QualifierInstance> qualifiers)

Checks that all the qualifiers in the set requiredQualifiers are in the set of qualifiers. Qualifier equality rules for annotation members are followed.

Parameters:

requiredQualifiers - The required qualifiers

qualifiers - The set of qualifiers to check

Returns:

True if all matches, false otherwise

containsAllInterceptionBindings

public static boolean containsAllInterceptionBindings(Set<Annotation> expectedBindings,
                                                      Set<QualifierInstance> existingBindings,
                                                      BeanManagerImpl manager)

removeDisabledBeans

public static <T extends Bean<?>> Set<T> removeDisabledBeans(Set<T> beans,
                                                             BeanManagerImpl beanManager)

Retains only beans which are enabled.

Parameters:

beans - The mutable set of beans to filter

beanManager - The bean manager

Returns:

a mutable set of enabled beans

isBeanEnabled

public static boolean isBeanEnabled(Bean<?> bean,
                                    ModuleEnablement enabled)

isAlternative

public static boolean isAlternative(EnhancedAnnotated<?,?> annotated,
                                    MergedStereotypes<?,?> mergedStereotypes)

Is alternative.

Parameters:

annotated - the annotated

mergedStereotypes - merged stereotypes

Returns:

true if alternative, false otherwise

getBeanConstructorStrict

public static <T> EnhancedAnnotatedConstructor<T> getBeanConstructorStrict(EnhancedAnnotatedType<T> type)

getBeanConstructor

public static <T> EnhancedAnnotatedConstructor<T> getBeanConstructor(EnhancedAnnotatedType<T> type)

injectEEFields

public static <T> void injectEEFields(Iterable<Set<ResourceInjection<?>>> resourceInjectionsHierarchy,
                                      T beanInstance,
                                      CreationalContext<T> ctx)

Injects EJBs and other EE resources.

Parameters:

resourceInjectionsHierarchy -

beanInstance -

ctx -

getDeclaredBeanType

public static Type getDeclaredBeanType(Class<?> clazz)

Gets the declared bean type

Returns:

The bean type

injectBoundFields

public static <T> void injectBoundFields(T instance,
                                         CreationalContext<T> creationalContext,
                                         BeanManagerImpl manager,
                                         Iterable<? extends FieldInjectionPoint<?,?>> injectableFields)

Injects bound fields

Parameters:

instance - The instance to inject into

injectFieldsAndInitializers

public static <T> void injectFieldsAndInitializers(T instance,
                                                   CreationalContext<T> ctx,
                                                   BeanManagerImpl beanManager,
                                                   List<? extends Iterable<? extends FieldInjectionPoint<?,?>>> injectableFields,
                                                   List<? extends Iterable<? extends MethodInjectionPoint<?,?>>> initializerMethods)

callInitializers

public static <T> void callInitializers(T instance,
                                        CreationalContext<T> creationalContext,
                                        BeanManagerImpl manager,
                                        Iterable<? extends MethodInjectionPoint<?,?>> initializerMethods)

Calls all initializers of the bean

Parameters:

instance - The bean instance

isInterceptor

public static <T> boolean isInterceptor(AnnotatedType<T> annotatedItem)

isDecorator

public static <T> boolean isDecorator(EnhancedAnnotatedType<T> annotatedItem)

mergeInQualifiers

public static Set<Annotation> mergeInQualifiers(BeanManagerImpl manager,
                                                Collection<Annotation> qualifiers,
                                                Annotation[] newQualifiers)

getTypes

public static Set<Type> getTypes(EnhancedAnnotated<?,?> annotated)

Illegal bean types are ignored except for array and primitive types and unless Typed is used.

Returns:

the set of bean types from an annotated element

getTypedTypes

public static Set<Type> getTypedTypes(Map<Class<?>,Type> typeClosure,
                                      Class<?> rawType,
                                      Typed typed)

Bean types of a bean that uses the Typed annotation.

isTypeManagedBeanOrDecoratorOrInterceptor

public static boolean isTypeManagedBeanOrDecoratorOrInterceptor(AnnotatedType<?> annotatedType)

Indicates if the type is a simple Web Bean

Parameters:

clazz - The type to inspect

Returns:

True if simple Web Bean, false otherwise

isTypeManagedBeanOrDecoratorOrInterceptor

public static boolean isTypeManagedBeanOrDecoratorOrInterceptor(org.jboss.weld.resources.spi.ClassFileInfo classFileInfo,
                                                                boolean checkTypeModifiers)

Parameters:

classFileInfo -

checkTypeModifiers - - this flag reflects whether Jandex version including fix for JANDEX-37 could be used

Returns:

isDecoratorDeclaringInAppropriateConstructor

public static boolean isDecoratorDeclaringInAppropriateConstructor(org.jboss.weld.resources.spi.ClassFileInfo classFileInfo)

isDecoratorDeclaringInAppropriateConstructor

public static boolean isDecoratorDeclaringInAppropriateConstructor(AnnotatedType<?> annotatedType)

hasSimpleCdiConstructor

public static boolean hasSimpleCdiConstructor(AnnotatedType<?> type)

isVetoed

public static boolean isVetoed(Class<?> javaClass)

Determines if this Java class should be vetoed as a result of presence of Veto annotations.

isVetoed

public static boolean isVetoed(AnnotatedType<?> type)

createBeanAttributesId

public static String createBeanAttributesId(BeanAttributes<?> attributes)

Generates a unique signature for BeanAttributes.

createTypeCollectionId

public static String createTypeCollectionId(Collection<? extends Type> types)

Generates a unique signature of a collection of types.

checkEnhancedAnnotatedAvailable

public static <T,S,X extends EnhancedAnnotated<T,S>> X checkEnhancedAnnotatedAvailable(X enhancedAnnotated)

hasBuiltinScope

public static boolean hasBuiltinScope(Bean<?> bean)

getBeanDefiningAnnotationScope

public static Class<? extends Annotation> getBeanDefiningAnnotationScope(AnnotatedType<?> annotatedType)

getLegalBeanTypes

public static Set<Type> getLegalBeanTypes(Set<Type> types,
                                          Object baseType,
                                          Type... additionalTypes)

Parameters:

types - The initial set of types

annotated -

additionalTypes - Types to add to the initial set

Returns:

the set of legal bean types

getIdentifier

public static org.jboss.weld.serialization.spi.BeanIdentifier getIdentifier(Contextual<?> contextual,
                                                                            org.jboss.weld.serialization.spi.ContextualStore contextualStore)

Parameters:

contextual -

contextualStore -

Returns:

the identifier for the given contextual

See Also:

getIdentifier(Contextual, ContextualStore, ServiceRegistry)

getIdentifier

public static org.jboss.weld.serialization.spi.BeanIdentifier getIdentifier(Contextual<?> contextual,
                                                                            org.jboss.weld.bootstrap.api.ServiceRegistry serviceRegistry)

Parameters:

contextual -

serviceRegistry -

Returns:

the identifier for the given contextual

See Also:

getIdentifier(Contextual, ContextualStore, ServiceRegistry)

shouldIgnoreFinalMethods

public static boolean shouldIgnoreFinalMethods(Bean<?> bean)

Parameters:

bean -

Returns:

true if final methods should be ignored when checking proxyability

unwrap

public static Bean<?> unwrap(Bean<?> bean)