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BeanManagerImpl.java
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BeanManagerImpl.java
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/*
* 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.manager;
import static org.jboss.weld.logging.Category.BOOTSTRAP;
import static org.jboss.weld.logging.LoggerFactory.loggerFactory;
import static org.jboss.weld.logging.messages.BeanManagerMessage.AMBIGUOUS_BEANS_FOR_DEPENDENCY;
import static org.jboss.weld.logging.messages.BeanManagerMessage.CONTEXT_NOT_ACTIVE;
import static org.jboss.weld.logging.messages.BeanManagerMessage.DUPLICATE_ACTIVE_CONTEXTS;
import static org.jboss.weld.logging.messages.BeanManagerMessage.INCORRECT_PRODUCER_MEMBER;
import static org.jboss.weld.logging.messages.BeanManagerMessage.INTERCEPTOR_BINDINGS_EMPTY;
import static org.jboss.weld.logging.messages.BeanManagerMessage.NON_NORMAL_SCOPE;
import static org.jboss.weld.logging.messages.BeanManagerMessage.NOT_INTERCEPTOR_BINDING_TYPE;
import static org.jboss.weld.logging.messages.BeanManagerMessage.NOT_STEREOTYPE;
import static org.jboss.weld.logging.messages.BeanManagerMessage.NO_DECORATOR_TYPES;
import static org.jboss.weld.logging.messages.BeanManagerMessage.NO_INSTANCE_OF_EXTENSION;
import static org.jboss.weld.logging.messages.BeanManagerMessage.SPECIFIED_TYPE_NOT_BEAN_TYPE;
import static org.jboss.weld.logging.messages.BeanManagerMessage.TOO_MANY_ACTIVITIES;
import static org.jboss.weld.logging.messages.BeanManagerMessage.UNRESOLVABLE_ELEMENT;
import static org.jboss.weld.logging.messages.BootstrapMessage.FOUND_BEAN;
import static org.jboss.weld.manager.BeanManagers.buildAccessibleClosure;
import static org.jboss.weld.util.reflection.Reflections.cast;
import static org.jboss.weld.util.reflection.Reflections.isCacheable;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Member;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.concurrent.atomic.AtomicInteger;
import javax.el.ELResolver;
import javax.el.ExpressionFactory;
import javax.enterprise.context.spi.Context;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedMember;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedParameter;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanAttributes;
import javax.enterprise.inject.spi.Decorator;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.enterprise.inject.spi.InjectionTargetFactory;
import javax.enterprise.inject.spi.InterceptionType;
import javax.enterprise.inject.spi.Interceptor;
import javax.enterprise.inject.spi.ObserverMethod;
import javax.enterprise.inject.spi.PassivationCapable;
import javax.enterprise.inject.spi.ProducerFactory;
import javax.enterprise.util.TypeLiteral;
import org.jboss.weld.Container;
import org.jboss.weld.annotated.AnnotatedTypeValidator;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedField;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedMember;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedParameter;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.bean.NewBean;
import org.jboss.weld.bean.RIBean;
import org.jboss.weld.bean.SessionBean;
import org.jboss.weld.bean.SyntheticBeanFactory;
import org.jboss.weld.bean.attributes.BeanAttributesFactory;
import org.jboss.weld.bean.builtin.AbstractBuiltInBean;
import org.jboss.weld.bean.builtin.ExtensionBean;
import org.jboss.weld.bean.builtin.InstanceImpl;
import org.jboss.weld.bean.proxy.ClientProxyProvider;
import org.jboss.weld.bean.proxy.DecorationHelper;
import org.jboss.weld.bootstrap.Validator;
import org.jboss.weld.bootstrap.api.ServiceRegistry;
import org.jboss.weld.bootstrap.enablement.ModuleEnablement;
import org.jboss.weld.bootstrap.events.ContainerLifecycleEvents;
import org.jboss.weld.context.ContextNotActiveException;
import org.jboss.weld.context.CreationalContextImpl;
import org.jboss.weld.context.PassivatingContextWrapper;
import org.jboss.weld.context.WeldCreationalContext;
import org.jboss.weld.ejb.EjbDescriptors;
import org.jboss.weld.ejb.spi.EjbDescriptor;
import org.jboss.weld.el.Namespace;
import org.jboss.weld.el.WeldELResolver;
import org.jboss.weld.el.WeldExpressionFactory;
import org.jboss.weld.event.GlobalObserverNotifierService;
import org.jboss.weld.event.ObserverNotifier;
import org.jboss.weld.exceptions.AmbiguousResolutionException;
import org.jboss.weld.exceptions.DefinitionException;
import org.jboss.weld.exceptions.DeploymentException;
import org.jboss.weld.exceptions.IllegalArgumentException;
import org.jboss.weld.exceptions.IllegalStateException;
import org.jboss.weld.exceptions.InjectionException;
import org.jboss.weld.exceptions.UnsatisfiedResolutionException;
import org.jboss.weld.injection.CurrentInjectionPoint;
import org.jboss.weld.injection.attributes.FieldInjectionPointAttributes;
import org.jboss.weld.injection.attributes.InferingFieldInjectionPointAttributes;
import org.jboss.weld.injection.attributes.InferingParameterInjectionPointAttributes;
import org.jboss.weld.injection.attributes.ParameterInjectionPointAttributes;
import org.jboss.weld.interceptor.reader.cache.DefaultMetadataCachingReader;
import org.jboss.weld.interceptor.reader.cache.MetadataCachingReader;
import org.jboss.weld.interceptor.spi.metadata.ClassMetadata;
import org.jboss.weld.interceptor.spi.model.InterceptionModel;
import org.jboss.weld.manager.api.WeldManager;
import org.jboss.weld.metadata.cache.InterceptorBindingModel;
import org.jboss.weld.metadata.cache.MetaAnnotationStore;
import org.jboss.weld.metadata.cache.ScopeModel;
import org.jboss.weld.metadata.cache.StereotypeModel;
import org.jboss.weld.resolution.BeanTypeAssignabilityRules;
import org.jboss.weld.resolution.DecoratorResolvableBuilder;
import org.jboss.weld.resolution.InterceptorResolvable;
import org.jboss.weld.resolution.InterceptorResolvableBuilder;
import org.jboss.weld.resolution.NameBasedResolver;
import org.jboss.weld.resolution.QualifierInstance;
import org.jboss.weld.resolution.Resolvable;
import org.jboss.weld.resolution.ResolvableBuilder;
import org.jboss.weld.resolution.TypeSafeBeanResolver;
import org.jboss.weld.resolution.TypeSafeDecoratorResolver;
import org.jboss.weld.resolution.TypeSafeInterceptorResolver;
import org.jboss.weld.resolution.TypeSafeObserverResolver;
import org.jboss.weld.resources.ClassTransformer;
import org.jboss.weld.resources.MemberTransformer;
import org.jboss.weld.serialization.spi.ContextualStore;
import org.jboss.weld.util.Beans;
import org.jboss.weld.util.Bindings;
import org.jboss.weld.util.ForwardingBeanManager;
import org.jboss.weld.util.Interceptors;
import org.jboss.weld.util.Preconditions;
import org.jboss.weld.util.Proxies;
import org.jboss.weld.util.collections.IterableToIteratorFunction;
import org.jboss.weld.util.reflection.Reflections;
import org.slf4j.cal10n.LocLogger;
import com.google.common.collect.Iterators;
/**
* Implementation of the Bean Manager.
* <p/>
* Essentially a singleton for registering Beans, Contexts, Observers,
* Interceptors etc. as well as providing resolution
*
* @author Pete Muir
* @author Marius Bogoevici
* @author Ales Justin
* @author Jozef Hartinger
*/
public class BeanManagerImpl implements WeldManager, Serializable {
private static final long serialVersionUID = 3021562879133838561L;
private static final LocLogger log = loggerFactory().getLogger(BOOTSTRAP);
/*
* Application scoped services
* ***************************
*/
private final transient ServiceRegistry services;
/*
* Application scoped data structures
* ***********************************
*/
// Contexts are shared across the application
private final transient Map<Class<? extends Annotation>, List<Context>> contexts;
// Client proxies can be used application wide
private final transient ClientProxyProvider clientProxyProvider;
// TODO review this structure
private final transient Map<EjbDescriptor<?>, SessionBean<?>> enterpriseBeans;
/*
* Archive scoped data structures
* ******************************
*/
/* These data structures are all non-transitive in terms of bean deployment
* archive accessibility, and the configuration for this bean deployment
* archive
*/
private transient volatile ModuleEnablement enabled;
private final transient Set<CurrentActivity> currentActivities;
/*
* Activity scoped services
* *************************
*/
/* These services are scoped to this activity only, but use data
* structures that are transitive accessible from other bean deployment
* archives
*/
private final transient TypeSafeBeanResolver beanResolver;
private final transient TypeSafeDecoratorResolver decoratorResolver;
private final transient TypeSafeInterceptorResolver interceptorResolver;
private final transient NameBasedResolver nameBasedResolver;
private final transient ELResolver weldELResolver;
private transient Namespace rootNamespace;
/*
* Lenient instances do not perform event type checking - this is required for firing container lifecycle events.
* Strict instances do performe event type checking and are used for firing application an extension events.
*/
private final transient ObserverNotifier accessibleLenientObserverNotifier;
private final transient ObserverNotifier globalLenientObserverNotifier;
private final transient ObserverNotifier globalStrictObserverNotifier;
/*
* Activity scoped data structures
* ********************************
*/
/* These data structures are scoped to this bean deployment archive activity
* only and represent the beans, decorators, interceptors, namespaces and
* observers deployed in this bean deployment archive activity
*/
private final transient List<Bean<?>> beans;
private final transient List<Bean<?>> transitiveBeans;
private final transient List<Decorator<?>> decorators;
private final transient List<Interceptor<?>> interceptors;
private final transient List<String> namespaces;
private final transient List<ObserverMethod<?>> observers;
/*
* set that is only used to make sure that no duplicate beans are added
*/
private final transient Set<Bean<?>> beanSet = Collections.synchronizedSet(new HashSet<Bean<?>>());
/*
* Data structure representing all managers *accessible* from this bean
* deployment archive activity
*/
private final transient Set<BeanManagerImpl> managers;
/*
* These data structures represent the managers *accessible* from this bean
* deployment archive activity
*/
private final transient HashSet<BeanManagerImpl> accessibleManagers;
/*
* This data structures represents child activities for this activity, it is
* not transitively accessible
*/
private final transient Set<BeanManagerImpl> childActivities;
private final AtomicInteger childIds;
private final String id;
/**
* Interception model
*/
private final transient ConcurrentMap<Class<?>, InterceptionModel<ClassMetadata<?>, ?>> interceptorModelRegistry = new ConcurrentHashMap<Class<?>, InterceptionModel<ClassMetadata<?>, ?>>();
private final transient MetadataCachingReader interceptorMetadataReader = new DefaultMetadataCachingReader(this);
private final transient ContainerLifecycleEvents containerLifecycleEvents;
/**
* Create a new, root, manager
*
* @param serviceRegistry
* @return
*/
public static BeanManagerImpl newRootManager(String id, ServiceRegistry serviceRegistry) {
Map<Class<? extends Annotation>, List<Context>> contexts = new ConcurrentHashMap<Class<? extends Annotation>, List<Context>>();
return new BeanManagerImpl(
serviceRegistry,
new CopyOnWriteArrayList<Bean<?>>(),
new CopyOnWriteArrayList<Bean<?>>(),
new CopyOnWriteArrayList<Decorator<?>>(),
new CopyOnWriteArrayList<Interceptor<?>>(),
new CopyOnWriteArrayList<ObserverMethod<?>>(),
new CopyOnWriteArrayList<String>(),
new ConcurrentHashMap<EjbDescriptor<?>, SessionBean<?>>(),
new ClientProxyProvider(),
contexts,
new CopyOnWriteArraySet<CurrentActivity>(),
ModuleEnablement.EMPTY_ENABLEMENT,
id,
new AtomicInteger(),
new HashSet<BeanManagerImpl>());
}
public static BeanManagerImpl newManager(BeanManagerImpl rootManager, String id, ServiceRegistry services) {
return new BeanManagerImpl(
services,
new CopyOnWriteArrayList<Bean<?>>(),
new CopyOnWriteArrayList<Bean<?>>(),
new CopyOnWriteArrayList<Decorator<?>>(),
new CopyOnWriteArrayList<Interceptor<?>>(),
new CopyOnWriteArrayList<ObserverMethod<?>>(),
new CopyOnWriteArrayList<String>(),
rootManager.getEnterpriseBeans(),
rootManager.getClientProxyProvider(),
rootManager.getContexts(),
new CopyOnWriteArraySet<CurrentActivity>(),
ModuleEnablement.EMPTY_ENABLEMENT,
id,
new AtomicInteger(),
rootManager.managers);
}
/**
* Create a new child manager
*
* @param parentManager the parent manager
* @return new child manager
*/
public static BeanManagerImpl newChildActivityManager(BeanManagerImpl parentManager) {
List<Bean<?>> beans = new CopyOnWriteArrayList<Bean<?>>();
beans.addAll(parentManager.getBeans());
List<Bean<?>> transitiveBeans = new CopyOnWriteArrayList<Bean<?>>();
beans.addAll(parentManager.getTransitiveBeans());
List<ObserverMethod<?>> registeredObservers = new CopyOnWriteArrayList<ObserverMethod<?>>();
registeredObservers.addAll(parentManager.getObservers());
List<String> namespaces = new CopyOnWriteArrayList<String>();
namespaces.addAll(parentManager.getNamespaces());
return new BeanManagerImpl(
parentManager.getServices(),
beans,
transitiveBeans,
parentManager.getDecorators(),
parentManager.getInterceptors(),
registeredObservers,
namespaces,
parentManager.getEnterpriseBeans(),
parentManager.getClientProxyProvider(),
parentManager.getContexts(),
parentManager.getCurrentActivities(),
parentManager.getEnabled(),
new StringBuilder().append(parentManager.getChildIds().incrementAndGet()).toString(),
parentManager.getChildIds(),
parentManager.managers);
}
private BeanManagerImpl(
ServiceRegistry serviceRegistry,
List<Bean<?>> beans,
List<Bean<?>> transitiveBeans,
List<Decorator<?>> decorators,
List<Interceptor<?>> interceptors,
List<ObserverMethod<?>> observers,
List<String> namespaces,
Map<EjbDescriptor<?>, SessionBean<?>> enterpriseBeans,
ClientProxyProvider clientProxyProvider,
Map<Class<? extends Annotation>, List<Context>> contexts,
Set<CurrentActivity> currentActivities,
ModuleEnablement enabled,
String id,
AtomicInteger childIds,
Set<BeanManagerImpl> managers) {
this.services = serviceRegistry;
this.beans = beans;
this.transitiveBeans = transitiveBeans;
this.decorators = decorators;
this.interceptors = interceptors;
this.enterpriseBeans = enterpriseBeans;
this.clientProxyProvider = clientProxyProvider;
this.contexts = contexts;
this.currentActivities = currentActivities;
this.observers = observers;
this.enabled = enabled;
this.namespaces = namespaces;
this.id = id;
this.childIds = new AtomicInteger();
this.managers = managers;
managers.add(this);
// Set up the structure to store accessible managers in
this.accessibleManagers = new HashSet<BeanManagerImpl>();
// TODO Currently we build the accessible bean list on the fly, we need to set it in stone once bootstrap is finished...
Transform<Bean<?>> beanTransform = new BeanTransform(this);
this.beanResolver = new TypeSafeBeanResolver(this, createDynamicAccessibleIterable(beanTransform));
this.decoratorResolver = new TypeSafeDecoratorResolver(this, createDynamicGlobalIterable(DecoratorTransform.INSTANCE));
this.interceptorResolver = new TypeSafeInterceptorResolver(this, createDynamicGlobalIterable(InterceptorTransform.INSTANCE));
this.nameBasedResolver = new NameBasedResolver(this, createDynamicAccessibleIterable(beanTransform));
this.weldELResolver = new WeldELResolver(this);
this.childActivities = new CopyOnWriteArraySet<BeanManagerImpl>();
TypeSafeObserverResolver accessibleObserverResolver = new TypeSafeObserverResolver(getServices().get(MetaAnnotationStore.class), createDynamicAccessibleIterable(ObserverMethodTransform.INSTANCE));
this.accessibleLenientObserverNotifier = ObserverNotifier.of(accessibleObserverResolver, getServices(), false);
GlobalObserverNotifierService globalObserverNotifierService = services.get(GlobalObserverNotifierService.class);
this.globalLenientObserverNotifier = globalObserverNotifierService.getGlobalLenientObserverNotifier();
this.globalStrictObserverNotifier = globalObserverNotifierService.getGlobalStrictObserverNotifier();
globalObserverNotifierService.registerBeanManager(this);
this.containerLifecycleEvents = serviceRegistry.get(ContainerLifecycleEvents.class);
}
private <T> Iterable<T> createDynamicGlobalIterable(final Transform<T> transform) {
return new Iterable<T>() {
public Iterator<T> iterator() {
Set<Iterable<T>> result = new HashSet<Iterable<T>>();
for (BeanManagerImpl manager : managers) {
result.add(transform.transform(manager));
}
return Iterators.concat(Iterators.transform(result.iterator(), IterableToIteratorFunction.<T>instance()));
}
};
}
private <T> Iterable<T> createDynamicAccessibleIterable(final Transform<T> transform) {
return new Iterable<T>() {
public Iterator<T> iterator() {
Set<Iterable<T>> iterable = buildAccessibleClosure(BeanManagerImpl.this, transform);
return Iterators.concat(Iterators.transform(iterable.iterator(), IterableToIteratorFunction.<T>instance()));
}
};
}
public void addAccessibleBeanManager(BeanManagerImpl accessibleBeanManager) {
accessibleManagers.add(accessibleBeanManager);
beanResolver.clear();
interceptorResolver.clear();
decoratorResolver.clear();
accessibleLenientObserverNotifier.clear();
}
public HashSet<BeanManagerImpl> getAccessibleManagers() {
return accessibleManagers;
}
public void addBean(Bean<?> bean) {
addBean(bean, beans, transitiveBeans);
}
/**
* Optimization which modifies CopyOnWrite structures only once instead of once for every bean.
* @param beans
*/
public void addBeans(Collection<? extends Bean<?>> beans) {
List<Bean<?>> beanList = new ArrayList<Bean<?>>(beans.size());
List<Bean<?>> transitiveBeans = new ArrayList<Bean<?>>(beans.size());
for (Bean<?> bean : beans) {
addBean(bean, beanList, transitiveBeans);
}
// optimize so that we do not modify CopyOnWriteLists for each Bean
this.beans.addAll(beanList);
this.transitiveBeans.addAll(transitiveBeans);
for (BeanManagerImpl childActivity : childActivities) {
childActivity.addBeans(beanList);
}
}
private void addBean(Bean<?> bean, List<Bean<?>> beanList, List<Bean<?>> transitiveBeans) {
if (beanSet.add(bean)) {
log.debug(FOUND_BEAN, bean);
beanList.add(bean);
if (bean instanceof SessionBean) {
SessionBean<?> enterpriseBean = (SessionBean<?>) bean;
enterpriseBeans.put(enterpriseBean.getEjbDescriptor(), enterpriseBean);
}
if (bean instanceof PassivationCapable) {
getServices().get(ContextualStore.class).putIfAbsent(bean);
}
registerBeanNamespace(bean);
// New beans (except for SessionBeans) and most built in beans aren't resolvable transtively
if (bean instanceof ExtensionBean || bean instanceof SessionBean || (!(bean instanceof NewBean) && !(bean instanceof AbstractBuiltInBean<?>))) {
transitiveBeans.add(bean);
}
}
}
public void addDecorator(Decorator<?> bean) {
decorators.add(bean);
getServices().get(ContextualStore.class).putIfAbsent(bean);
decoratorResolver.clear();
}
@Override
public <T> Set<ObserverMethod<? super T>> resolveObserverMethods(T event, Annotation... bindings) {
return globalStrictObserverNotifier.resolveObserverMethods(event, bindings);
}
public void addInterceptor(Interceptor<?> bean) {
interceptors.add(bean);
getServices().get(ContextualStore.class).putIfAbsent(bean);
interceptorResolver.clear();
}
/**
* Enabled Alternatives, Interceptors and Decorators
*
* @return
*/
public ModuleEnablement getEnabled() {
return enabled;
}
public void setEnabled(ModuleEnablement enabled) {
this.enabled = enabled;
}
public boolean isBeanEnabled(Bean<?> bean) {
return Beans.isBeanEnabled(bean, getEnabled());
}
@Override
public Set<Bean<?>> getBeans(Type beanType, Annotation... qualifiers) {
Resolvable resolvable = new ResolvableBuilder(beanType, this).addQualifiers(qualifiers).create();
return beanResolver.resolve(resolvable, isCacheable(qualifiers));
}
public Set<Bean<?>> getBeans(Type beanType, Set<Annotation> qualifiers) {
return beanResolver.resolve(new ResolvableBuilder(beanType, this).addQualifiers(qualifiers).create(), isCacheable(qualifiers));
}
public Set<Bean<?>> getBeans(InjectionPoint injectionPoint) {
boolean registerInjectionPoint = isRegisterableInjectionPoint(injectionPoint);
CurrentInjectionPoint currentInjectionPoint = null;
if (registerInjectionPoint) {
currentInjectionPoint = services.get(CurrentInjectionPoint.class);
currentInjectionPoint.push(injectionPoint);
}
try {
// We always cache, we assume that people don't use inline annotation literal declarations, a little risky but FAQd
return beanResolver.resolve(new ResolvableBuilder(injectionPoint, this).create(), true);
} finally {
if (registerInjectionPoint) {
currentInjectionPoint.pop();
}
}
}
protected void registerBeanNamespace(Bean<?> bean) {
if (bean.getName() != null && bean.getName().indexOf('.') > 0) {
namespaces.add(bean.getName().substring(0, bean.getName().lastIndexOf('.')));
}
}
/**
* Gets the class-mapped beans. For internal use.
*
* @return The bean map
*/
public Map<EjbDescriptor<?>, SessionBean<?>> getEnterpriseBeans() {
return enterpriseBeans;
}
/**
* The beans registered with the Web Bean manager which are resolvable. Does
* not include interceptor and decorator beans
*
* @return The list of known beans
*/
public List<Bean<?>> getBeans() {
return Collections.unmodifiableList(beans);
}
List<Bean<?>> getTransitiveBeans() {
return Collections.unmodifiableList(transitiveBeans);
}
public List<Decorator<?>> getDecorators() {
return Collections.unmodifiableList(decorators);
}
public List<Interceptor<?>> getInterceptors() {
return Collections.unmodifiableList(interceptors);
}
public Iterable<Bean<?>> getAccessibleBeans() {
return createDynamicAccessibleIterable(new BeanTransform(this));
}
public Iterable<Interceptor<?>> getAccessibleInterceptors() {
return createDynamicAccessibleIterable(new InterceptorTransform());
}
public Iterable<Decorator<?>> getAccessibleDecorators() {
return createDynamicAccessibleIterable(new DecoratorTransform());
}
public void addContext(Context context) {
Class<? extends Annotation> scope = context.getScope();
if (isPassivatingScope(scope)) {
context = PassivatingContextWrapper.wrap(context, services.get(ContextualStore.class));
}
List<Context> contextList = contexts.get(scope);
if (contextList == null) {
contextList = new CopyOnWriteArrayList<Context>();
contexts.put(scope, contextList);
}
contextList.add(context);
}
/**
* Does the actual observer registration
*
* @param observer =
*/
public void addObserver(ObserverMethod<?> observer) {
//checkEventType(observer.getObservedType());
observers.add(observer);
for (BeanManagerImpl childActivity : childActivities) {
childActivity.addObserver(observer);
}
}
/**
* Fires an event object with given event object for given bindings
*
* @param event The event object to pass along
* @param qualifiers The binding types to match
* @see javax.enterprise.inject.spi.BeanManager#fireEvent(java.lang.Object,
* java.lang.annotation.Annotation[])
*/
@Override
public void fireEvent(Object event, Annotation... qualifiers) {
globalStrictObserverNotifier.fireEvent(event, qualifiers);
}
/**
* Gets an active context of the given scope. Throws an exception if there
* are no active contexts found or if there are too many matches
*
* @throws IllegalStateException if there are multiple active scopes for a given context
* @param scopeType The scope to match
* @return A single active context of the given scope
* @see javax.enterprise.inject.spi.BeanManager#getContext(java.lang.Class)
*/
@Override
public Context getContext(Class<? extends Annotation> scopeType) {
Context activeContext = internalGetContext(scopeType);
if (activeContext == null) {
throw new ContextNotActiveException(CONTEXT_NOT_ACTIVE, scopeType.getName());
}
return activeContext;
}
/**
* Indicates whether there is an active context for a given scope.
*
* @throws IllegalStateException if there are multiple active scopes for a given context
* @param scopeType
* @return true if there is an active context for a given scope, false otherwise
*/
public boolean isContextActive(Class<? extends Annotation> scopeType) {
return internalGetContext(scopeType) != null;
}
private Context internalGetContext(Class<? extends Annotation> scopeType) {
Context activeContext = null;
final List<Context> ctx = contexts.get(scopeType);
if (ctx == null) {
return null;
}
for (Context context : ctx) {
if (context.isActive()) {
if (activeContext == null) {
activeContext = context;
} else {
throw new IllegalStateException(DUPLICATE_ACTIVE_CONTEXTS, scopeType.getName());
}
}
}
return activeContext;
}
public Object getReference(Bean<?> bean, Type requestedType, CreationalContext<?> creationalContext, boolean noProxy) {
if (creationalContext instanceof WeldCreationalContext<?>) {
creationalContext = ((WeldCreationalContext<?>) creationalContext).getCreationalContext(bean);
}
if (!noProxy && isProxyRequired(bean)) {
if (creationalContext != null || getContext(bean.getScope()).get(bean) != null) {
if (requestedType == null) {
return clientProxyProvider.getClientProxy(bean);
} else {
return clientProxyProvider.getClientProxy(bean, requestedType);
}
} else {
return null;
}
} else {
return getContext(bean.getScope()).get(Reflections.<Contextual>cast(bean), creationalContext);
}
}
private boolean isProxyRequired(Bean<?> bean) {
if (bean instanceof RIBean<?>) {
return ((RIBean<?>) bean).isProxyRequired();
} else if (isNormalScope(bean.getScope())) {
return true;
} else {
return false;
}
}
@Override
public Object getReference(Bean<?> bean, Type requestedType, CreationalContext<?> creationalContext) {
Preconditions.checkArgumentNotNull(bean, "bean");
Preconditions.checkArgumentNotNull(requestedType, "requestedType");
Preconditions.checkArgumentNotNull(creationalContext, "creationalContext");
if (!BeanTypeAssignabilityRules.instance().matches(requestedType, bean.getTypes())) {
throw new IllegalArgumentException(SPECIFIED_TYPE_NOT_BEAN_TYPE, requestedType, bean);
}
return getReference(bean, requestedType, creationalContext, false);
}
/**
* Get a reference, registering the injection point used.
*
* @param injectionPoint the injection point to register
* @param resolvedBean the bean to get a reference to
* @param creationalContext the creationalContext
* @return
*/
public Object getReference(InjectionPoint injectionPoint, Bean<?> resolvedBean, CreationalContext<?> creationalContext) {
Preconditions.checkArgumentNotNull(resolvedBean, "resolvedBean");
Preconditions.checkArgumentNotNull(creationalContext, "creationalContext");
boolean registerInjectionPoint = isRegisterableInjectionPoint(injectionPoint);
boolean delegateInjectionPoint = injectionPoint != null && injectionPoint.isDelegate();
CurrentInjectionPoint currentInjectionPoint = null;
if (registerInjectionPoint) {
currentInjectionPoint = services.get(CurrentInjectionPoint.class);
currentInjectionPoint.push(injectionPoint);
}
try {
Type requestedType = null;
if (injectionPoint != null) {
requestedType = injectionPoint.getType();
}
// TODO Can we move this logic to getReference?
if (creationalContext instanceof WeldCreationalContext<?>) {
WeldCreationalContext<?> wbCreationalContext = (WeldCreationalContext<?>) creationalContext;
final Object incompleteInstance = wbCreationalContext.getIncompleteInstance(resolvedBean);
if (incompleteInstance != null) {
return incompleteInstance;
} else {
return getReference(resolvedBean, requestedType, wbCreationalContext, delegateInjectionPoint);
}
} else {
return getReference(resolvedBean, requestedType, creationalContext, delegateInjectionPoint);
}
} finally {
if (registerInjectionPoint) {
currentInjectionPoint.pop();
}
}
}
@Override
public Object getInjectableReference(InjectionPoint injectionPoint, CreationalContext<?> creationalContext) {
if (injectionPoint.isDelegate()) {
return DecorationHelper.peek().getNextDelegate(injectionPoint, creationalContext);
} else {
Bean<?> resolvedBean = getBean(new ResolvableBuilder(injectionPoint, this).create());
return getReference(injectionPoint, resolvedBean, creationalContext);
}
}
public <T> Bean<T> getBean(Resolvable resolvable) {
// We can always cache as this is only ever called by Weld where we avoid non-static inner classes for annotation literals
Bean<T> bean = cast(resolve(beanResolver.resolve(resolvable, true)));
if (bean == null) {
throw new UnsatisfiedResolutionException(UNRESOLVABLE_ELEMENT, resolvable);
}
if (isNormalScope(bean.getScope()) && !Beans.isBeanProxyable(bean)) {
throw Proxies.getUnproxyableTypesException(bean);
}
return bean;
}
@Override
public Set<Bean<?>> getBeans(String name) {
return nameBasedResolver.resolve(name);
}
@Override
public List<Decorator<?>> resolveDecorators(Set<Type> types, Annotation... qualifiers) {
checkResolveDecoratorsArguments(types);
return decoratorResolver.resolve(new DecoratorResolvableBuilder(this).addTypes(types).addQualifiers(qualifiers).create(), isCacheable(qualifiers));
}
public List<Decorator<?>> resolveDecorators(Set<Type> types, Set<Annotation> qualifiers) {
checkResolveDecoratorsArguments(types);
return decoratorResolver.resolve(new DecoratorResolvableBuilder(this).addTypes(types).addQualifiers(qualifiers).create(), true);
}
private void checkResolveDecoratorsArguments(Set<Type> types) {
if (types.isEmpty()) {
throw new IllegalArgumentException(NO_DECORATOR_TYPES);
}
}
/**
* Resolves a list of interceptors based on interception type and interceptor
* bindings. Transitive interceptor bindings of the interceptor bindings passed
* as a parameter are considered in the resolution process.
*
* @param type The interception type to resolve
* @param interceptorBindings The binding types to match
* @return A list of matching interceptors
* @see javax.enterprise.inject.spi.BeanManager#resolveInterceptors(javax.enterprise.inject.spi.InterceptionType,
* java.lang.annotation.Annotation[])
*/
@Override
public List<Interceptor<?>> resolveInterceptors(InterceptionType type, Annotation... interceptorBindings) {
if (interceptorBindings.length == 0) {
throw new IllegalArgumentException(INTERCEPTOR_BINDINGS_EMPTY);
}
for (Annotation annotation : interceptorBindings) {
if (!isInterceptorBinding(annotation.annotationType())) {
throw new IllegalArgumentException(NOT_INTERCEPTOR_BINDING_TYPE, annotation);
}
}
Set<Annotation> flattenedInterceptorBindings = Interceptors.flattenInterceptorBindings(this, Arrays.asList(interceptorBindings), true, true);
return resolveInterceptors(type, flattenedInterceptorBindings);
}
/**
* Resolves a list of interceptors based on interception type and interceptor
* bindings. Transitive interceptor bindings of the interceptor bindings passed
* as a parameter are NOT considered in the resolution process. Therefore, the caller
* is responsible for filtering of transitive interceptor bindings in order to comply
* with interceptor binding inheritance and overriding (See JSR-346 9.5.2).
* This is a Weld-specific method.
*
* @param type The interception type to resolve
* @param interceptorBindings The binding types to match
* @return A list of matching interceptors
*/
public List<Interceptor<?>> resolveInterceptors(InterceptionType type, Collection<Annotation> interceptorBindings) {
// We can always cache as this is only ever called by Weld where we avoid non-static inner classes for annotation literals
InterceptorResolvable interceptorResolvable = new InterceptorResolvableBuilder(Object.class, this)
.setInterceptionType(type)
.addQualifiers(interceptorBindings)
.create();
return interceptorResolver.resolve(interceptorResolvable, isCacheable(interceptorBindings));
}
/**
* Get the web bean resolver. For internal use
*
* @return The resolver
*/
public TypeSafeBeanResolver getBeanResolver() {
return beanResolver;
}
/**
* Get the decorator resolver. For internal use
*
* @return The resolver
*/
public TypeSafeDecoratorResolver getDecoratorResolver() {
return decoratorResolver;
}
/**
* Get the lenient observer notifier for accessible observer methods. Should never be exposed to an application.
*
* @return The {@link ObserverNotifier}
*/
public ObserverNotifier getAccessibleLenientObserverNotifier() {
return accessibleLenientObserverNotifier;
}
/**
* Get the lenient global observer notifier. Should never be exposed to an application.
*
* @return The {@link ObserverNotifier}
*/
public ObserverNotifier getGlobalLenientObserverNotifier() {
return globalLenientObserverNotifier;
}
/**
* Get the Strict global observer notifier. This one should be used for firing application / extension events.
*
* @return The {@link ObserverNotifier}
*/
public ObserverNotifier getGlobalStrictObserverNotifier() {
return globalStrictObserverNotifier;
}
/**
* Gets a string representation
*
* @return A string representation
*/
@Override
public String toString() {
StringBuilder buffer = new StringBuilder();
buffer.append("Manager\n");
buffer.append("Enabled alternatives: " + getEnabled().getAllAlternatives() + "\n");
buffer.append("Registered contexts: " + contexts.keySet() + "\n");
buffer.append("Registered beans: " + getBeans().size() + "\n");
return buffer.toString();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ForwardingBeanManager) {
ForwardingBeanManager proxy = (ForwardingBeanManager) obj;
obj = proxy.delegate();
}
if (obj instanceof BeanManagerImpl) {
BeanManagerImpl that = (BeanManagerImpl) obj;
return this.getId().equals(that.getId());
} else {
return false;
}
}
@Override
public int hashCode() {
return getId().hashCode();
}
public BeanManagerImpl createActivity() {
BeanManagerImpl childActivity = newChildActivityManager(this);
childActivities.add(childActivity);
Container.instance().addActivity(childActivity);
return childActivity;
}
public BeanManagerImpl setCurrent(Class<? extends Annotation> scopeType) {
if (!getServices().get(MetaAnnotationStore.class).getScopeModel(scopeType).isNormal()) {
throw new IllegalArgumentException(NON_NORMAL_SCOPE, scopeType);
}
currentActivities.add(new CurrentActivity(getContext(scopeType), this));
return this;
}
public BeanManagerImpl getCurrent() {
CurrentActivity activeCurrentActivity = null;
for (CurrentActivity currentActivity : currentActivities) {
if (currentActivity.getContext().isActive()) {
if (activeCurrentActivity == null)
activeCurrentActivity = currentActivity;
else
throw new IllegalStateException(TOO_MANY_ACTIVITIES, currentActivities);
}
}
if (activeCurrentActivity == null) {
return this;
} else {
return activeCurrentActivity.getManager();
}
}
public ServiceRegistry getServices() {
return services;
}
// Serialization
protected Object readResolve() throws ObjectStreamException {
return Container.instance().activityManager(id);
}
public ClientProxyProvider getClientProxyProvider() {
return clientProxyProvider;
}
protected Map<Class<? extends Annotation>, List<Context>> getContexts() {
return contexts;
}