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This jar bundles all the bits of Weld and CDI required for running in a Servlet container.
/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.weld.util;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.annotation.Repeatable;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.decorator.Decorator;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.ConversationScoped;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.NormalScope;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.event.Observes;
import javax.enterprise.event.ObservesAsync;
import javax.enterprise.inject.Alternative;
import javax.enterprise.inject.CreationException;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Typed;
import javax.enterprise.inject.Vetoed;
import javax.enterprise.inject.spi.AnnotatedConstructor;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanAttributes;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.PassivationCapable;
import javax.inject.Inject;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotated;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedConstructor;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedMethod;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.bean.AbstractBean;
import org.jboss.weld.bean.AbstractProducerBean;
import org.jboss.weld.bean.DecoratorImpl;
import org.jboss.weld.bean.ForwardingBean;
import org.jboss.weld.bean.InterceptorImpl;
import org.jboss.weld.bean.RIBean;
import org.jboss.weld.bootstrap.api.ServiceRegistry;
import org.jboss.weld.bootstrap.enablement.ModuleEnablement;
import org.jboss.weld.injection.FieldInjectionPoint;
import org.jboss.weld.injection.MethodInjectionPoint;
import org.jboss.weld.injection.ResourceInjection;
import org.jboss.weld.interceptor.spi.model.InterceptionType;
import org.jboss.weld.interceptor.util.InterceptionTypeRegistry;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.logging.MetadataLogger;
import org.jboss.weld.logging.UtilLogger;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.metadata.cache.MergedStereotypes;
import org.jboss.weld.metadata.cache.MetaAnnotationStore;
import org.jboss.weld.resolution.QualifierInstance;
import org.jboss.weld.resources.spi.ClassFileInfo;
import org.jboss.weld.serialization.spi.BeanIdentifier;
import org.jboss.weld.serialization.spi.ContextualStore;
import org.jboss.weld.util.bytecode.BytecodeUtils;
import org.jboss.weld.util.collections.ImmutableSet;
import org.jboss.weld.util.reflection.Formats;
import org.jboss.weld.util.reflection.Reflections;
/**
* Helper class for bean inspection
*
* @author Pete Muir
* @author David Allen
* @author Marius Bogoevici
* @author Ales Justin
* @author Jozef Hartinger
*/
public class Beans {
private Beans() {
}
/**
* Indicates if a bean's scope type is passivating
*
* @param bean The bean to inspect
* @return True if the scope is passivating, false otherwise
*/
public static boolean isPassivatingScope(Bean bean, BeanManagerImpl manager) {
if (bean == null) {
return false;
} else {
return manager.getServices().get(MetaAnnotationStore.class).getScopeModel(bean.getScope()).isPassivating();
}
}
/**
* Tests if a bean is capable of having its state temporarily stored to secondary storage
*
* @param bean The bean to inspect
* @return True if the bean is passivation capable
*/
public static boolean isPassivationCapableBean(Bean bean) {
if (bean instanceof RIBean) {
return ((RIBean) bean).isPassivationCapableBean();
} else {
return bean instanceof PassivationCapable;
}
}
/**
* Tests if a bean is capable of having its state temporarily stored to secondary storage
*
* @param bean The bean to inspect
* @return True if the bean is passivation capable
*/
public static boolean isPassivationCapableDependency(Bean bean) {
if (bean instanceof RIBean) {
return ((RIBean) bean).isPassivationCapableDependency();
}
return bean instanceof PassivationCapable;
}
/**
* Indicates if a bean is proxyable
*
* @param bean The bean to test
* @return True if proxyable, false otherwise
*/
public static boolean isBeanProxyable(Bean bean, BeanManagerImpl manager) {
if (bean instanceof RIBean) {
return ((RIBean) bean).isProxyable();
} else {
return Proxies.isTypesProxyable(bean.getTypes(), manager.getServices());
}
}
public static List> getInterceptableMethods(EnhancedAnnotatedType type) {
List> annotatedMethods = new ArrayList>();
for (EnhancedAnnotatedMethod annotatedMethod : type.getEnhancedMethods()) {
boolean businessMethod = !annotatedMethod.isStatic() && !annotatedMethod.isAnnotationPresent(Inject.class)
&& !annotatedMethod.getJavaMember().isBridge();
if (businessMethod && !isInterceptorMethod(annotatedMethod)) {
annotatedMethods.add(annotatedMethod);
}
}
return annotatedMethods;
}
private static boolean isInterceptorMethod(AnnotatedMethod annotatedMethod) {
for (InterceptionType interceptionType : InterceptionTypeRegistry.getSupportedInterceptionTypes()) {
if (annotatedMethod.isAnnotationPresent(InterceptionTypeRegistry.getAnnotationClass(interceptionType))) {
return true;
}
}
return false;
}
/**
* Checks that all the qualifiers in the set requiredQualifiers are in the set of qualifiers. Qualifier equality rules for
* annotation members are followed.
*
* @param requiredQualifiers The required qualifiers
* @param qualifiers The set of qualifiers to check
* @return True if all matches, false otherwise
*/
public static boolean containsAllQualifiers(Set requiredQualifiers, Set qualifiers) {
return qualifiers.containsAll(requiredQualifiers);
}
public static boolean containsAllInterceptionBindings(Set expectedBindings,
Set existingBindings, BeanManagerImpl manager) {
final Set expected = manager.extractInterceptorBindingsForQualifierInstance(QualifierInstance.of(expectedBindings, manager.getServices().get(MetaAnnotationStore.class)));
return expected.isEmpty() ? false : manager.extractInterceptorBindingsForQualifierInstance(existingBindings).containsAll(expected);
}
/**
* Retains only beans which are enabled.
*
* @param beans The mutable set of beans to filter
* @param beanManager The bean manager
* @return a mutable set of enabled beans
*/
public static > Set removeDisabledBeans(Set beans, final BeanManagerImpl beanManager) {
if (beans.isEmpty()) {
return beans;
} else {
for (Iterator iterator = beans.iterator(); iterator.hasNext();) {
if (!isBeanEnabled(iterator.next(), beanManager.getEnabled())) {
iterator.remove();
}
}
return beans;
}
}
public static boolean isBeanEnabled(Bean bean, ModuleEnablement enabled) {
if (bean.isAlternative()) {
if (enabled.isEnabledAlternativeClass(bean.getBeanClass())) {
return true;
} else {
for (Class stereotype : bean.getStereotypes()) {
if (enabled.isEnabledAlternativeStereotype(stereotype)) {
return true;
}
}
return false;
}
} else if (bean instanceof AbstractProducerBean) {
AbstractProducerBean receiverBean = (AbstractProducerBean) bean;
return isBeanEnabled(receiverBean.getDeclaringBean(), enabled);
} else if (bean instanceof DecoratorImpl) {
return enabled.isDecoratorEnabled(bean.getBeanClass());
} else if (bean instanceof InterceptorImpl) {
return enabled.isInterceptorEnabled(bean.getBeanClass());
} else {
return true;
}
}
/**
* Is alternative.
*
* @param annotated the annotated
* @param mergedStereotypes merged stereotypes
* @return true if alternative, false otherwise
*/
public static boolean isAlternative(EnhancedAnnotated annotated, MergedStereotypes mergedStereotypes) {
return annotated.isAnnotationPresent(Alternative.class) || mergedStereotypes.isAlternative();
}
public static EnhancedAnnotatedConstructor getBeanConstructorStrict(EnhancedAnnotatedType type) {
EnhancedAnnotatedConstructor constructor = getBeanConstructor(type);
if (constructor == null) {
throw UtilLogger.LOG.unableToFindConstructor(type);
}
return constructor;
}
public static EnhancedAnnotatedConstructor getBeanConstructor(EnhancedAnnotatedType type) {
Collection> initializerAnnotatedConstructors = type
.getEnhancedConstructors(Inject.class);
BeanLogger.LOG.foundInjectableConstructors(initializerAnnotatedConstructors, type);
EnhancedAnnotatedConstructor constructor = null;
if (initializerAnnotatedConstructors.size() > 1) {
throw UtilLogger.LOG.ambiguousConstructor(type, initializerAnnotatedConstructors);
} else if (initializerAnnotatedConstructors.size() == 1) {
constructor = initializerAnnotatedConstructors.iterator().next();
BeanLogger.LOG.foundOneInjectableConstructor(constructor, type);
} else if (type.getNoArgsEnhancedConstructor() != null) {
constructor = type.getNoArgsEnhancedConstructor();
BeanLogger.LOG.foundDefaultConstructor(constructor, type);
}
if (constructor != null) {
if (!constructor.getEnhancedParameters(Disposes.class).isEmpty()) {
throw BeanLogger.LOG.parameterAnnotationNotAllowedOnConstructor("@Disposes", constructor,
Formats.formatAsStackTraceElement(constructor.getJavaMember()));
}
if (!constructor.getEnhancedParameters(Observes.class).isEmpty()) {
throw BeanLogger.LOG.parameterAnnotationNotAllowedOnConstructor("@Observes", constructor,
Formats.formatAsStackTraceElement(constructor.getJavaMember()));
}
if (!constructor.getEnhancedParameters(ObservesAsync.class).isEmpty()) {
throw BeanLogger.LOG.parameterAnnotationNotAllowedOnConstructor("@ObservesAsync", constructor,
Formats.formatAsStackTraceElement(constructor.getJavaMember()));
}
}
return constructor;
}
/**
* Injects EJBs and other EE resources.
*
* @param resourceInjectionsHierarchy
* @param beanInstance
* @param ctx
*/
public static void injectEEFields(Iterable>> resourceInjectionsHierarchy,
T beanInstance, CreationalContext ctx) {
for (Set> resourceInjections : resourceInjectionsHierarchy) {
for (ResourceInjection resourceInjection : resourceInjections) {
resourceInjection.injectResourceReference(beanInstance, ctx);
}
}
}
/**
* Gets the declared bean type
*
* @return The bean type
*/
public static Type getDeclaredBeanType(Class clazz) {
Type[] actualTypeArguments = Reflections.getActualTypeArguments(clazz);
if (actualTypeArguments.length == 1) {
return actualTypeArguments[0];
} else {
return null;
}
}
/**
* Injects bound fields
*
* @param instance The instance to inject into
*/
public static void injectBoundFields(T instance, CreationalContext creationalContext, BeanManagerImpl manager,
Iterable> injectableFields) {
for (FieldInjectionPoint injectableField : injectableFields) {
injectableField.inject(instance, manager, creationalContext);
}
}
public static void injectFieldsAndInitializers(T instance, CreationalContext ctx, BeanManagerImpl beanManager,
List>> injectableFields,
List>> initializerMethods) {
if (injectableFields.size() != initializerMethods.size()) {
throw UtilLogger.LOG.invalidQuantityInjectableFieldsAndInitializerMethods(injectableFields, initializerMethods);
}
for (int i = 0; i < injectableFields.size(); i++) {
injectBoundFields(instance, ctx, beanManager, injectableFields.get(i));
callInitializers(instance, ctx, beanManager, initializerMethods.get(i));
}
}
/**
* Calls all initializers of the bean
*
* @param instance The bean instance
*/
public static void callInitializers(T instance, CreationalContext creationalContext, BeanManagerImpl manager,
Iterable> initializerMethods) {
for (MethodInjectionPoint initializer : initializerMethods) {
initializer.invoke(instance, null, manager, creationalContext, CreationException.class);
}
}
public static boolean isInterceptor(AnnotatedType annotatedItem) {
return annotatedItem.isAnnotationPresent(javax.interceptor.Interceptor.class);
}
public static boolean isDecorator(EnhancedAnnotatedType annotatedItem) {
return annotatedItem.isAnnotationPresent(Decorator.class);
}
public static Set mergeInQualifiers(BeanManagerImpl manager, Collection qualifiers, Annotation[] newQualifiers) {
Set result = new HashSet();
if (qualifiers != null && !(qualifiers.isEmpty())) {
result.addAll(qualifiers);
}
if (newQualifiers != null && newQualifiers.length > 0) {
final MetaAnnotationStore store = manager.getServices().get(MetaAnnotationStore.class);
Set checkedNewQualifiers = new HashSet();
for (Annotation qualifier : newQualifiers) {
if (!store.getBindingTypeModel(qualifier.annotationType()).isValid()) {
throw UtilLogger.LOG.annotationNotQualifier(qualifier);
}
Class annotationType = qualifier.annotationType();
if (!annotationType.isAnnotationPresent(Repeatable.class)) {
for (Annotation annotation : checkedNewQualifiers) {
if(annotationType.equals(annotation.annotationType())) {
throw UtilLogger.LOG.redundantQualifier(qualifier, Arrays.toString(newQualifiers));
}
}
}
checkedNewQualifiers.add(qualifier);
}
result.addAll(checkedNewQualifiers);
}
return result;
}
/**
* Illegal bean types are ignored except for array and primitive types and unless {@link Typed} is used.
*
* @return the set of bean types from an annotated element
*/
public static Set getTypes(EnhancedAnnotated annotated) {
// array and primitive types require special treatment
if (annotated.getJavaClass().isArray() || annotated.getJavaClass().isPrimitive()) {
return ImmutableSet.builder().addAll(annotated.getBaseType(), Object.class).build();
} else {
if (annotated.isAnnotationPresent(Typed.class)) {
return ImmutableSet.builder().addAll(getTypedTypes(Reflections.buildTypeMap(annotated.getTypeClosure()),
annotated.getJavaClass(), annotated.getAnnotation(Typed.class))).build();
} else {
if (annotated.getJavaClass().isInterface()) {
return getLegalBeanTypes(annotated.getTypeClosure(), annotated, Object.class);
}
return getLegalBeanTypes(annotated.getTypeClosure(), annotated);
}
}
}
/**
* Bean types of a bean that uses the {@link Typed} annotation.
*/
public static Set getTypedTypes(Map, Type> typeClosure, Class rawType, Typed typed) {
Set types = new HashSet();
for (Class specifiedClass : typed.value()) {
Type tmp = typeClosure.get(specifiedClass);
if (tmp != null) {
types.add(tmp);
} else {
throw BeanLogger.LOG.typedClassNotInHierarchy(specifiedClass.getName(), rawType, Formats.formatTypes(typeClosure.values()));
}
}
types.add(Object.class);
return types;
}
/**
* Indicates if the type is a simple Web Bean
*
* @param clazz The type to inspect
* @return True if simple Web Bean, false otherwise
*/
public static boolean isTypeManagedBeanOrDecoratorOrInterceptor(AnnotatedType annotatedType) {
Class javaClass = annotatedType.getJavaClass();
return !javaClass.isEnum() && !Extension.class.isAssignableFrom(javaClass)
&& Reflections.isTopLevelOrStaticNestedClass(javaClass) && !Reflections.isParameterizedTypeWithWildcard(javaClass)
&& hasSimpleCdiConstructor(annotatedType);
}
/**
*
* @param classFileInfo
* @param checkTypeModifiers - this flag reflects whether Jandex version including fix for JANDEX-37 could be used
* @return
*/
public static boolean isTypeManagedBeanOrDecoratorOrInterceptor(ClassFileInfo classFileInfo, boolean checkTypeModifiers) {
boolean isTypeManagedBean = ((classFileInfo.getModifiers() & BytecodeUtils.ENUM) == 0) && !classFileInfo.isAssignableTo(Extension.class)
&& classFileInfo.hasCdiConstructor()
&& (!Modifier.isAbstract(classFileInfo.getModifiers()) || classFileInfo.isAnnotationDeclared(Decorator.class));
if (checkTypeModifiers) {
return isTypeManagedBean && (classFileInfo.isTopLevelClass() || Modifier.isStatic(classFileInfo.getModifiers()));
} else {
return isTypeManagedBean;
}
}
public static boolean isDecoratorDeclaringInAppropriateConstructor(ClassFileInfo classFileInfo) {
return !classFileInfo.hasCdiConstructor() && classFileInfo.isAnnotationDeclared(Decorator.class);
}
public static boolean isDecoratorDeclaringInAppropriateConstructor(AnnotatedType annotatedType) {
return !hasSimpleCdiConstructor(annotatedType) && annotatedType.isAnnotationPresent(Decorator.class);
}
public static boolean hasSimpleCdiConstructor(AnnotatedType type) {
for (AnnotatedConstructor constructor : type.getConstructors()) {
if (constructor.getParameters().isEmpty()) {
return true;
}
if (constructor.isAnnotationPresent(Inject.class)) {
return true;
}
}
return false;
}
/**
* Determines if this Java class should be vetoed as a result of presence of {@link Veto} annotations.
*/
public static boolean isVetoed(Class javaClass) {
if (javaClass.isAnnotationPresent(Vetoed.class)) {
return true;
}
return isPackageVetoed(javaClass.getPackage());
}
public static boolean isVetoed(AnnotatedType type) {
if (type.isAnnotationPresent(Vetoed.class)) {
return true;
}
return isPackageVetoed(type.getJavaClass().getPackage());
}
private static boolean isPackageVetoed(Package pkg) {
return pkg != null && pkg.isAnnotationPresent(Vetoed.class);
}
/**
* Generates a unique signature for {@link BeanAttributes}.
*/
public static String createBeanAttributesId(BeanAttributes attributes) {
StringBuilder builder = new StringBuilder();
builder.append(attributes.getName());
builder.append(",");
builder.append(attributes.getScope().getName());
builder.append(",");
builder.append(attributes.isAlternative());
builder.append(AnnotatedTypes.createAnnotationCollectionId(attributes.getQualifiers()));
builder.append(createTypeCollectionId(attributes.getStereotypes()));
builder.append(createTypeCollectionId(attributes.getTypes()));
return builder.toString();
}
/**
* Generates a unique signature of a collection of types.
*/
public static String createTypeCollectionId(Collection types) {
StringBuilder builder = new StringBuilder();
List sortedTypes = new ArrayList(types);
Collections.sort(sortedTypes, TypeComparator.INSTANCE);
builder.append("[");
for (Iterator iterator = sortedTypes.iterator(); iterator.hasNext();) {
builder.append(createTypeId(iterator.next()));
if (iterator.hasNext()) {
builder.append(",");
}
}
builder.append("]");
return builder.toString();
}
/**
* Creates a unique signature for a {@link Type}.
*/
private static String createTypeId(Type type) {
if (type instanceof Class) {
return Reflections.> cast(type).getName();
}
if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
StringBuilder builder = new StringBuilder();
builder.append(createTypeId(parameterizedType.getRawType()));
builder.append("<");
for (int i = 0; i < parameterizedType.getActualTypeArguments().length; i++) {
builder.append(createTypeId(parameterizedType.getActualTypeArguments()[i]));
if (i != parameterizedType.getActualTypeArguments().length - 1) {
builder.append(",");
}
}
builder.append(">");
return builder.toString();
}
if (type instanceof TypeVariable) {
return Reflections.> cast(type).getName();
}
if (type instanceof GenericArrayType) {
return createTypeId(Reflections. cast(type).getGenericComponentType());
}
throw new java.lang.IllegalArgumentException("Unknown type " + type);
}
private static class TypeComparator implements Comparator, Serializable {
private static final long serialVersionUID = -2162735176891985078L;
private static final TypeComparator INSTANCE = new TypeComparator();
@Override
public int compare(Type o1, Type o2) {
return createTypeId(o1).compareTo(createTypeId(o2));
}
}
public static > X checkEnhancedAnnotatedAvailable(X enhancedAnnotated) {
if (enhancedAnnotated == null) {
throw new IllegalStateException("Enhanced metadata should not be used at runtime.");
}
return enhancedAnnotated;
}
public static boolean hasBuiltinScope(Bean bean) {
return RequestScoped.class.equals(bean.getScope()) || SessionScoped.class.equals(bean.getScope()) || ApplicationScoped.class.equals(bean.getScope())
|| ConversationScoped.class.equals(bean.getScope()) || Dependent.class.equals(bean.getScope());
}
public static Class getBeanDefiningAnnotationScope(AnnotatedType annotatedType) {
for (Annotation annotation : annotatedType.getAnnotations()) {
if (annotation.annotationType().isAnnotationPresent(NormalScope.class) || annotation.annotationType().equals(Dependent.class)) {
return annotation.annotationType();
}
}
return null;
}
/**
* @param types The initial set of types
* @param annotated
* @param additionalTypes Types to add to the initial set
* @return the set of legal bean types
*/
public static Set getLegalBeanTypes(Set types, Object baseType, Type... additionalTypes) {
if (additionalTypes != null && additionalTypes.length > 0) {
// Micro-optimization is not possible
return omitIllegalBeanTypes(types, baseType).addAll(additionalTypes).build();
}
for (Type type : types) {
if (Types.isIllegalBeanType(type)) {
return omitIllegalBeanTypes(types, baseType).build();
}
}
return types;
}
static ImmutableSet.Builder omitIllegalBeanTypes(Set types, Object baseType) {
ImmutableSet.Builder builder = ImmutableSet.builder();
for (Type type : types) {
if (Types.isIllegalBeanType(type)) {
MetadataLogger.LOG.illegalBeanTypeIgnored(type, baseType);
} else {
builder.add(type);
}
}
return builder;
}
/**
* @param contextual
* @param contextualStore
* @return the identifier for the given contextual
* @see #getIdentifier(Contextual, ContextualStore, ServiceRegistry)
*/
public static BeanIdentifier getIdentifier(Contextual contextual, ContextualStore contextualStore) {
return getIdentifier(contextual, contextualStore, null);
}
/**
* @param contextual
* @param serviceRegistry
* @return the identifier for the given contextual
* @see #getIdentifier(Contextual, ContextualStore, ServiceRegistry)
*/
public static BeanIdentifier getIdentifier(Contextual contextual, ServiceRegistry serviceRegistry) {
return getIdentifier(contextual, null, serviceRegistry);
}
/**
*
* @param bean
* @return true if final methods should be ignored when checking proxyability
*/
public static boolean shouldIgnoreFinalMethods(Bean bean) {
if (bean instanceof AbstractBean) {
AbstractBean abstractBean = (AbstractBean) bean;
return abstractBean.isIgnoreFinalMethods();
}
return false;
}
public static Bean unwrap(Bean bean) {
if (bean instanceof ForwardingBean) {
ForwardingBean forwarding = (ForwardingBean) bean;
return forwarding.delegate();
}
return bean;
}
/**
* A slightly optimized way to get the bean identifier - there is not need to call ContextualStore.putIfAbsent() for passivation capable beans because it's
* already called during bootstrap. See also {@link BeanManagerImpl#addBean(Bean)}.
*
* @param contextual
* @param contextualStore
* @param serviceRegistry
* @return the identifier for the given contextual
*/
private static BeanIdentifier getIdentifier(Contextual contextual, ContextualStore contextualStore, ServiceRegistry serviceRegistry) {
if (contextual instanceof RIBean) {
return ((RIBean) contextual).getIdentifier();
}
if (contextualStore == null) {
contextualStore = serviceRegistry.get(ContextualStore.class);
}
return contextualStore.putIfAbsent(contextual);
}
}