org.jboss.weld.util
Class Beans

java.lang.Object
  org.jboss.weld.util.Beans

public class Beans
extends java.lang.Object

Helper class for bean inspection

Author:

Pete Muir, David Allen, Marius Bogoevici

Constructor Summary

Beans()

Method Summary

static <T> void	callInitializers(T instance, javax.enterprise.context.spi.CreationalContext<T> creationalContext, BeanManagerImpl manager, java.lang.Iterable<? extends MethodInjectionPoint<?,?>> initializerMethods) Calls all initializers of the bean
static boolean	containsAllBindings(java.util.Set<java.lang.annotation.Annotation> bindings1, java.util.Set<java.lang.annotation.Annotation> bindings2, BeanManagerImpl manager) Checks if binding criteria fulfill all binding types
static boolean	containsAllInterceptionBindings(java.util.Set<java.lang.annotation.Annotation> expectedBindings, java.util.Set<java.lang.annotation.Annotation> existingBindings, BeanManagerImpl manager)
static boolean	findInterceptorBindingConflicts(BeanManagerImpl manager, java.util.Set<java.lang.annotation.Annotation> bindings)
static <T> ConstructorInjectionPoint<T>	getBeanConstructor(javax.enterprise.inject.spi.Bean<T> declaringBean, WeldClass<T> type)
static java.lang.reflect.Type	getDeclaredBeanType(java.lang.Class<? extends javax.enterprise.inject.spi.Bean> clazz) Gets the declared bean type
static javax.enterprise.inject.spi.InjectionPoint	getDelegateInjectionPoint(javax.enterprise.inject.spi.Decorator<?> decorator)
static java.util.Set<WeldInjectionPoint<?,?>>	getEjbInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type, BeanManagerImpl manager)
static java.util.Set<FieldInjectionPoint<?,?>>	getFieldInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, java.util.List<? extends java.util.Set<? extends FieldInjectionPoint<?,?>>> fieldInjectionPoints)
static java.util.List<java.util.Set<FieldInjectionPoint<?,?>>>	getFieldInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type)
static java.util.List<java.util.Set<MethodInjectionPoint<?,?>>>	getInitializerMethods(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type)
static java.util.List<WeldMethod<?,?>>	getInterceptableMethods(WeldClass<?> type)
static java.util.Set<ParameterInjectionPoint<?,?>>	getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, java.util.List<java.util.Set<MethodInjectionPoint<?,?>>> methodInjectionPoints)
static java.util.Set<ParameterInjectionPoint<?,?>>	getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, MethodInjectionPoint<?,?> method)
static java.util.Set<ParameterInjectionPoint<?,?>>	getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldConstructor<?> constructor)
static java.util.Set<WeldInjectionPoint<?,?>>	getPersistenceContextInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type, BeanManagerImpl manager)
static java.util.Set<WeldInjectionPoint<?,?>>	getPersistenceUnitInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type, BeanManagerImpl manager)
static <T> java.util.List<WeldMethod<?,? super T>>	getPostConstructMethods(WeldClass<T> type)
static <T> java.util.List<WeldMethod<?,? super T>>	getPreDestroyMethods(WeldClass<T> type)
static java.util.Set<WeldInjectionPoint<?,?>>	getResourceInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean, WeldClass<?> type, BeanManagerImpl manager)
static <T> void	injectBoundFields(T instance, javax.enterprise.context.spi.CreationalContext<T> creationalContext, BeanManagerImpl manager, java.lang.Iterable<? extends FieldInjectionPoint<?,?>> injectableFields) Injects bound fields
static <T> void	injectEEFields(T beanInstance, BeanManagerImpl manager, java.lang.Iterable<WeldInjectionPoint<?,?>> ejbInjectionPoints, java.lang.Iterable<WeldInjectionPoint<?,?>> persistenceContextInjectionPoints, java.lang.Iterable<WeldInjectionPoint<?,?>> persistenceUnitInjectionPoints, java.lang.Iterable<WeldInjectionPoint<?,?>> resourceInjectionPoints) Injects EJBs and common fields
static <T> void	injectFieldsAndInitializers(T instance, javax.enterprise.context.spi.CreationalContext<T> ctx, BeanManagerImpl beanManager, java.util.List<? extends java.lang.Iterable<? extends FieldInjectionPoint<?,?>>> injectableFields, java.util.List<? extends java.lang.Iterable<? extends MethodInjectionPoint<?,?>>> initializerMethods)
static boolean	isAlternative(WeldAnnotated<?,?> annotated, MergedStereotypes<?,?> mergedStereotypes)
static boolean	isAlternativePresent(java.util.Set<javax.enterprise.inject.spi.Bean<?>> beans) Check if any of the beans is an alternative
static boolean	isBeanEnabled(javax.enterprise.inject.spi.Bean<?> bean, java.util.Collection<java.lang.Class<?>> enabledAlternativeClasses, java.util.Collection<java.lang.Class<? extends java.lang.annotation.Annotation>> enabledAlternativeSterotypes)
static boolean	isBeanProxyable(javax.enterprise.inject.spi.Bean<?> bean) Indicates if a bean is proxyable
static <T> boolean	isDecorator(WeldClass<T> annotatedItem)
static <T> boolean	isInterceptor(WeldClass<T> annotatedItem)
static boolean	isPassivatingScope(javax.enterprise.inject.spi.Bean<?> bean, BeanManagerImpl manager) Indicates if a bean's scope type is passivating
static boolean	isPassivationCapableBean(javax.enterprise.inject.spi.Bean<?> bean) Tests if a bean is capable of having its state temporarily stored to secondary storage
static boolean	isPassivationCapableDependency(javax.enterprise.inject.spi.Bean<?> bean) Tests if a bean is capable of having its state temporarily stored to secondary storage
static <T extends javax.enterprise.inject.spi.Bean<?>> boolean	isSpecialized(T bean, java.util.Set<T> beans, java.util.Map<javax.enterprise.context.spi.Contextual<?>,javax.enterprise.context.spi.Contextual<?>> specializedBeans) Check if bean is specialized by any of beans
static java.lang.annotation.Annotation[]	mergeInQualifiers(java.lang.annotation.Annotation[] qualifiers, java.lang.annotation.Annotation[] newQualifiers)
static <T extends javax.enterprise.inject.spi.Bean<?>> java.util.Set<T>	removeDisabledAndSpecializedBeans(java.util.Set<T> beans, java.util.Collection<java.lang.Class<?>> enabledAlternativeClasses, java.util.Collection<java.lang.Class<? extends java.lang.annotation.Annotation>> enabledAlternativeSterotypes, java.util.Map<javax.enterprise.context.spi.Contextual<?>,javax.enterprise.context.spi.Contextual<?>> specializedBeans) Retains only beans which have deployment type X.

Methods inherited from class java.lang.Object

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

Constructor Detail

Beans

public Beans()

Method Detail

isPassivatingScope

public static boolean isPassivatingScope(javax.enterprise.inject.spi.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(javax.enterprise.inject.spi.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(javax.enterprise.inject.spi.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(javax.enterprise.inject.spi.Bean<?> bean)

Indicates if a bean is proxyable

Parameters:

bean - The bean to test

Returns:

True if proxyable, false otherwise

getFieldInjectionPoints

public static java.util.List<java.util.Set<FieldInjectionPoint<?,?>>> getFieldInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                              WeldClass<?> type)

getFieldInjectionPoints

public static java.util.Set<FieldInjectionPoint<?,?>> getFieldInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                              java.util.List<? extends java.util.Set<? extends FieldInjectionPoint<?,?>>> fieldInjectionPoints)

getPostConstructMethods

public static <T> java.util.List<WeldMethod<?,? super T>> getPostConstructMethods(WeldClass<T> type)

getPreDestroyMethods

public static <T> java.util.List<WeldMethod<?,? super T>> getPreDestroyMethods(WeldClass<T> type)

getInterceptableMethods

public static java.util.List<WeldMethod<?,?>> getInterceptableMethods(WeldClass<?> type)

getEjbInjectionPoints

public static java.util.Set<WeldInjectionPoint<?,?>> getEjbInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                           WeldClass<?> type,
                                                                           BeanManagerImpl manager)

getPersistenceContextInjectionPoints

public static java.util.Set<WeldInjectionPoint<?,?>> getPersistenceContextInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                          WeldClass<?> type,
                                                                                          BeanManagerImpl manager)

getPersistenceUnitInjectionPoints

public static java.util.Set<WeldInjectionPoint<?,?>> getPersistenceUnitInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                       WeldClass<?> type,
                                                                                       BeanManagerImpl manager)

getResourceInjectionPoints

public static java.util.Set<WeldInjectionPoint<?,?>> getResourceInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                WeldClass<?> type,
                                                                                BeanManagerImpl manager)

getInitializerMethods

public static java.util.List<java.util.Set<MethodInjectionPoint<?,?>>> getInitializerMethods(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                             WeldClass<?> type)

getParameterInjectionPoints

public static java.util.Set<ParameterInjectionPoint<?,?>> getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                      WeldConstructor<?> constructor)

getParameterInjectionPoints

public static java.util.Set<ParameterInjectionPoint<?,?>> getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                      MethodInjectionPoint<?,?> method)

getParameterInjectionPoints

public static java.util.Set<ParameterInjectionPoint<?,?>> getParameterInjectionPoints(javax.enterprise.inject.spi.Bean<?> declaringBean,
                                                                                      java.util.List<java.util.Set<MethodInjectionPoint<?,?>>> methodInjectionPoints)

containsAllBindings

public static boolean containsAllBindings(java.util.Set<java.lang.annotation.Annotation> bindings1,
                                          java.util.Set<java.lang.annotation.Annotation> bindings2,
                                          BeanManagerImpl manager)

Checks if binding criteria fulfill all binding types

Parameters:

element - The binding criteria to check

bindings2 - The binding types to check

Returns:

True if all matches, false otherwise

containsAllInterceptionBindings

public static boolean containsAllInterceptionBindings(java.util.Set<java.lang.annotation.Annotation> expectedBindings,
                                                      java.util.Set<java.lang.annotation.Annotation> existingBindings,
                                                      BeanManagerImpl manager)

findInterceptorBindingConflicts

public static boolean findInterceptorBindingConflicts(BeanManagerImpl manager,
                                                      java.util.Set<java.lang.annotation.Annotation> bindings)

removeDisabledAndSpecializedBeans

public static <T extends javax.enterprise.inject.spi.Bean<?>> java.util.Set<T> removeDisabledAndSpecializedBeans(java.util.Set<T> beans,
                                                                                                                 java.util.Collection<java.lang.Class<?>> enabledAlternativeClasses,
                                                                                                                 java.util.Collection<java.lang.Class<? extends java.lang.annotation.Annotation>> enabledAlternativeSterotypes,
                                                                                                                 java.util.Map<javax.enterprise.context.spi.Contextual<?>,javax.enterprise.context.spi.Contextual<?>> specializedBeans)

Retains only beans which have deployment type X. The deployment type X is

Type Parameters:

T -

Parameters:

beans - The beans to filter

enabledDeploymentTypes - The enabled deployment types

Returns:

The filtered beans

isBeanEnabled

public static boolean isBeanEnabled(javax.enterprise.inject.spi.Bean<?> bean,
                                    java.util.Collection<java.lang.Class<?>> enabledAlternativeClasses,
                                    java.util.Collection<java.lang.Class<? extends java.lang.annotation.Annotation>> enabledAlternativeSterotypes)

isAlternativePresent

public static boolean isAlternativePresent(java.util.Set<javax.enterprise.inject.spi.Bean<?>> beans)

Check if any of the beans is an alternative

Parameters:

beans -

Returns:

isAlternative

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

isSpecialized

public static <T extends javax.enterprise.inject.spi.Bean<?>> boolean isSpecialized(T bean,
                                                                                    java.util.Set<T> beans,
                                                                                    java.util.Map<javax.enterprise.context.spi.Contextual<?>,javax.enterprise.context.spi.Contextual<?>> specializedBeans)

Check if bean is specialized by any of beans

Parameters:

bean -

beans -

specializedBeans -

Returns:

getBeanConstructor

public static <T> ConstructorInjectionPoint<T> getBeanConstructor(javax.enterprise.inject.spi.Bean<T> declaringBean,
                                                                  WeldClass<T> type)

injectEEFields

public static <T> void injectEEFields(T beanInstance,
                                      BeanManagerImpl manager,
                                      java.lang.Iterable<WeldInjectionPoint<?,?>> ejbInjectionPoints,
                                      java.lang.Iterable<WeldInjectionPoint<?,?>> persistenceContextInjectionPoints,
                                      java.lang.Iterable<WeldInjectionPoint<?,?>> persistenceUnitInjectionPoints,
                                      java.lang.Iterable<WeldInjectionPoint<?,?>> resourceInjectionPoints)

Injects EJBs and common fields

getDeclaredBeanType

public static java.lang.reflect.Type getDeclaredBeanType(java.lang.Class<? extends javax.enterprise.inject.spi.Bean> clazz)

Gets the declared bean type

Returns:

The bean type

injectBoundFields

public static <T> void injectBoundFields(T instance,
                                         javax.enterprise.context.spi.CreationalContext<T> creationalContext,
                                         BeanManagerImpl manager,
                                         java.lang.Iterable<? extends FieldInjectionPoint<?,?>> injectableFields)

Injects bound fields

Parameters:

instance - The instance to inject into

injectFieldsAndInitializers

public static <T> void injectFieldsAndInitializers(T instance,
                                                   javax.enterprise.context.spi.CreationalContext<T> ctx,
                                                   BeanManagerImpl beanManager,
                                                   java.util.List<? extends java.lang.Iterable<? extends FieldInjectionPoint<?,?>>> injectableFields,
                                                   java.util.List<? extends java.lang.Iterable<? extends MethodInjectionPoint<?,?>>> initializerMethods)

callInitializers

public static <T> void callInitializers(T instance,
                                        javax.enterprise.context.spi.CreationalContext<T> creationalContext,
                                        BeanManagerImpl manager,
                                        java.lang.Iterable<? extends MethodInjectionPoint<?,?>> initializerMethods)

Calls all initializers of the bean

Parameters:

instance - The bean instance

isInterceptor

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

isDecorator

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

mergeInQualifiers

public static java.lang.annotation.Annotation[] mergeInQualifiers(java.lang.annotation.Annotation[] qualifiers,
                                                                  java.lang.annotation.Annotation[] newQualifiers)

getDelegateInjectionPoint

public static javax.enterprise.inject.spi.InjectionPoint getDelegateInjectionPoint(javax.enterprise.inject.spi.Decorator<?> decorator)