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org.jboss.weld.bootstrap.AbstractBeanDeployer Maven / Gradle / Ivy
/*
* 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.bootstrap;
import java.lang.reflect.Member;
import java.util.Set;
import javax.enterprise.inject.Disposes;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.BeanAttributes;
import javax.enterprise.inject.spi.ProcessProducerField;
import javax.enterprise.inject.spi.ProcessProducerMethod;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedField;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedMethod;
import org.jboss.weld.annotated.enhanced.EnhancedAnnotatedType;
import org.jboss.weld.annotated.slim.SlimAnnotatedTypeStore;
import org.jboss.weld.bean.AbstractBean;
import org.jboss.weld.bean.AbstractClassBean;
import org.jboss.weld.bean.AbstractProducerBean;
import org.jboss.weld.bean.DecoratorImpl;
import org.jboss.weld.bean.DisposalMethod;
import org.jboss.weld.bean.InterceptorImpl;
import org.jboss.weld.bean.ManagedBean;
import org.jboss.weld.bean.NewBean;
import org.jboss.weld.bean.NewManagedBean;
import org.jboss.weld.bean.NewSessionBean;
import org.jboss.weld.bean.ProducerField;
import org.jboss.weld.bean.ProducerMethod;
import org.jboss.weld.bean.RIBean;
import org.jboss.weld.bean.SessionBean;
import org.jboss.weld.bean.attributes.BeanAttributesFactory;
import org.jboss.weld.bean.attributes.ExternalBeanAttributesFactory;
import org.jboss.weld.bean.builtin.AbstractBuiltInBean;
import org.jboss.weld.bean.builtin.ExtensionBean;
import org.jboss.weld.bean.builtin.ee.EEResourceProducerField;
import org.jboss.weld.bean.builtin.ee.StaticEEResourceProducerField;
import org.jboss.weld.bootstrap.api.ServiceRegistry;
import org.jboss.weld.bootstrap.events.ContainerLifecycleEvents;
import org.jboss.weld.bootstrap.events.ProcessBeanAttributesImpl;
import org.jboss.weld.bootstrap.events.ProcessObserverMethodImpl;
import org.jboss.weld.ejb.InternalEjbDescriptor;
import org.jboss.weld.event.ObserverFactory;
import org.jboss.weld.event.ObserverMethodImpl;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.logging.BootstrapLogger;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.resources.ClassTransformer;
import org.jboss.weld.util.BeanMethods;
import org.jboss.weld.util.Observers;
import org.jboss.weld.util.collections.WeldCollections;
import org.jboss.weld.util.reflection.Reflections;
/**
* @author Pete Muir
* @author Ales Justin
* @author Jozef Hartinger
*/
public class AbstractBeanDeployer {
private final BeanManagerImpl manager;
private final ServiceRegistry services;
private final E environment;
protected final ContainerLifecycleEvents containerLifecycleEvents;
protected final ClassTransformer classTransformer;
protected final SlimAnnotatedTypeStore slimAnnotatedTypeStore;
protected final SpecializationAndEnablementRegistry specializationAndEnablementRegistry;
public AbstractBeanDeployer(BeanManagerImpl manager, ServiceRegistry services, E environment) {
this.manager = manager;
this.services = services;
this.environment = environment;
this.containerLifecycleEvents = manager.getServices().get(ContainerLifecycleEvents.class);
this.classTransformer = services.get(ClassTransformer.class);
this.slimAnnotatedTypeStore = services.get(SlimAnnotatedTypeStore.class);
this.specializationAndEnablementRegistry = services.get(SpecializationAndEnablementRegistry.class);
}
protected BeanManagerImpl getManager() {
return manager;
}
// interceptors, decorators and observers go first
public AbstractBeanDeployer deploySpecialized() {
// ensure that all decorators are initialized before initializing
// the rest of the beans
for (DecoratorImpl bean : getEnvironment().getDecorators()) {
bean.initialize(getEnvironment());
containerLifecycleEvents.fireProcessBean(getManager(), bean);
manager.addDecorator(bean);
BootstrapLogger.LOG.foundDecorator(bean);
}
for (InterceptorImpl bean : getEnvironment().getInterceptors()) {
bean.initialize(getEnvironment());
containerLifecycleEvents.fireProcessBean(getManager(), bean);
manager.addInterceptor(bean);
BootstrapLogger.LOG.foundInterceptor(bean);
}
return this;
}
public AbstractBeanDeployer initializeBeans() {
for (RIBean bean : getEnvironment().getBeans()) {
bean.initialize(getEnvironment());
}
return this;
}
public AbstractBeanDeployer fireBeanEvents() {
for (RIBean bean : getEnvironment().getBeans()) {
fireBeanEvents(bean);
}
return this;
}
public void fireBeanEvents(RIBean bean) {
if (!(bean instanceof NewBean)) {
if (bean instanceof AbstractProducerBean) {
containerLifecycleEvents.fireProcessProducer(manager, Reflections.>cast(bean));
} else if (bean instanceof AbstractClassBean) {
containerLifecycleEvents.fireProcessInjectionTarget(manager, (AbstractClassBean) bean);
}
containerLifecycleEvents.fireProcessBean(getManager(), bean);
}
}
public AbstractBeanDeployer deployBeans() {
manager.addBeans(getEnvironment().getBeans());
return this;
}
public AbstractBeanDeployer initializeObserverMethods() {
for (ObserverInitializationContext observerInitializer : getEnvironment().getObservers()) {
if (Observers.isObserverMethodEnabled(observerInitializer.getObserver(), manager)) {
observerInitializer.initialize();
}
}
return this;
}
public AbstractBeanDeployer deployObserverMethods() {
// TODO -- why do observers have to be the last?
for (ObserverInitializationContext observerInitializer : getEnvironment().getObservers()) {
if (Observers.isObserverMethodEnabled(observerInitializer.getObserver(), manager)) {
BootstrapLogger.LOG.foundObserverMethod(observerInitializer.getObserver());
ProcessObserverMethodImpl.fire(manager, observerInitializer.getObserver());
manager.addObserver(observerInitializer.getObserver());
}
}
return this;
}
/**
* Creates the sub bean for an class (simple or enterprise) bean
*
* @param bean The class bean
*/
protected void createObserversProducersDisposers(AbstractClassBean bean) {
if (bean instanceof ManagedBean || bean instanceof SessionBean) {
// disposal methods have to go first as we want them to be ready for resolution when initializing producer method/fields
createDisposalMethods(bean, bean.getEnhancedAnnotated());
createProducerMethods(bean, bean.getEnhancedAnnotated());
createProducerFields(bean, bean.getEnhancedAnnotated());
if (manager.isBeanEnabled(bean)) {
createObserverMethods(bean, bean.getEnhancedAnnotated());
}
}
}
protected DisposalMethod resolveDisposalMethod(BeanAttributes attributes, AbstractClassBean declaringBean) {
Set> disposalBeans = environment.resolveDisposalBeans(attributes.getTypes(), attributes.getQualifiers(), declaringBean);
if (disposalBeans.size() == 1) {
return disposalBeans.iterator().next();
} else if (disposalBeans.size() > 1) {
throw BeanLogger.LOG.multipleDisposalMethods(this, WeldCollections.toMultiRowString(disposalBeans));
}
return null;
}
protected void createProducerMethods(AbstractClassBean declaringBean, EnhancedAnnotatedType type) {
for (EnhancedAnnotatedMethod method : BeanMethods.filterMethods(type.getDeclaredEnhancedMethods(Produces.class))) {
// create method for now
// specialization and PBA processing is handled later
createProducerMethod(declaringBean, method);
}
}
protected void createDisposalMethods(AbstractClassBean declaringBean, EnhancedAnnotatedType annotatedClass) {
for (EnhancedAnnotatedMethod method : BeanMethods.filterMethods(annotatedClass
.getDeclaredEnhancedMethodsWithAnnotatedParameters(Disposes.class))) {
DisposalMethod disposalBean = DisposalMethod.of(manager, method, declaringBean);
getEnvironment().addDisposesMethod(disposalBean);
}
}
protected void createProducerMethod(AbstractClassBean declaringBean, EnhancedAnnotatedMethod annotatedMethod) {
BeanAttributes attributes = BeanAttributesFactory.forBean(annotatedMethod, getManager());
DisposalMethod disposalMethod = resolveDisposalMethod(attributes, declaringBean);
ProducerMethod bean = ProducerMethod.of(attributes, annotatedMethod, declaringBean, disposalMethod, manager, services);
containerLifecycleEvents.preloadProcessBeanAttributes(bean.getType());
containerLifecycleEvents.preloadProcessBean(ProcessProducerMethod.class, annotatedMethod.getBaseType(), bean.getBeanClass());
containerLifecycleEvents.preloadProcessProducer(bean.getBeanClass(), annotatedMethod.getBaseType());
getEnvironment().addProducerMethod(bean);
}
protected void createProducerField(AbstractClassBean declaringBean, EnhancedAnnotatedField field) {
BeanAttributes attributes = BeanAttributesFactory.forBean(field, getManager());
DisposalMethod disposalMethod = resolveDisposalMethod(attributes, declaringBean);
ProducerField bean;
if (EEResourceProducerField.isEEResourceProducerField(manager, field)) {
if (field.isStatic()) {
bean = StaticEEResourceProducerField.of(attributes, field, declaringBean, disposalMethod, manager, services);
} else {
bean = EEResourceProducerField.of(attributes, field, declaringBean, disposalMethod, manager, services);
}
} else {
bean = ProducerField.of(attributes, field, declaringBean, disposalMethod, manager, services);
}
containerLifecycleEvents.preloadProcessBeanAttributes(bean.getType());
containerLifecycleEvents.preloadProcessBean(ProcessProducerField.class, field.getBaseType(), bean.getBeanClass());
containerLifecycleEvents.preloadProcessProducer(bean.getBeanClass(), field.getBaseType());
getEnvironment().addProducerField(bean);
}
protected void createProducerFields(AbstractClassBean declaringBean, EnhancedAnnotatedType annotatedClass) {
for (EnhancedAnnotatedField field : annotatedClass.getDeclaredEnhancedFields(Produces.class)) {
createProducerField(declaringBean, field);
}
}
protected void createObserverMethods(AbstractClassBean declaringBean, EnhancedAnnotatedType annotatedClass) {
for (EnhancedAnnotatedMethod method : BeanMethods.getObserverMethods(annotatedClass)) {
createObserverMethod(declaringBean, method);
}
}
protected void createObserverMethod(AbstractClassBean declaringBean, EnhancedAnnotatedMethod method) {
ObserverMethodImpl observer = ObserverFactory.create(method, declaringBean, manager);
ObserverInitializationContext observerInitializer = ObserverInitializationContext.of(observer, method);
containerLifecycleEvents.preloadProcessObserverMethod(observer.getObservedType(), declaringBean.getBeanClass());
getEnvironment().addObserverMethod(observerInitializer);
}
protected ManagedBean createManagedBean(EnhancedAnnotatedType weldClass) {
BeanAttributes attributes = BeanAttributesFactory.forBean(weldClass, getManager());
ManagedBean bean = ManagedBean.of(attributes, weldClass, manager);
getEnvironment().addManagedBean(bean);
return bean;
}
protected void createNewManagedBean(EnhancedAnnotatedType annotatedClass) {
// TODO resolve existing beans first
slimAnnotatedTypeStore.put(annotatedClass.slim());
getEnvironment().addManagedBean(NewManagedBean.of(BeanAttributesFactory.forNewManagedBean(annotatedClass, manager), annotatedClass, manager));
}
protected void createDecorator(EnhancedAnnotatedType weldClass) {
BeanAttributes attributes = BeanAttributesFactory.forBean(weldClass, getManager());
DecoratorImpl bean = DecoratorImpl.of(attributes, weldClass, manager);
getEnvironment().addDecorator(bean);
}
protected void createInterceptor(EnhancedAnnotatedType weldClass) {
BeanAttributes attributes = BeanAttributesFactory.forBean(weldClass, getManager());
InterceptorImpl bean = InterceptorImpl.of(attributes, weldClass, manager);
getEnvironment().addInterceptor(bean);
}
protected SessionBean createSessionBean(InternalEjbDescriptor descriptor) {
EnhancedAnnotatedType type = classTransformer.getEnhancedAnnotatedType(descriptor.getBeanClass(), getManager().getId());
slimAnnotatedTypeStore.put(type.slim());
return createSessionBean(descriptor, type);
}
protected SessionBean createSessionBean(InternalEjbDescriptor descriptor, EnhancedAnnotatedType weldClass) {
// TODO Don't create enterprise bean if it has no local interfaces!
BeanAttributes attributes = BeanAttributesFactory.forSessionBean(weldClass, descriptor, getManager());
SessionBean bean = SessionBean.of(attributes, descriptor, manager, weldClass);
getEnvironment().addSessionBean(bean);
return bean;
}
protected void createNewSessionBean(InternalEjbDescriptor ejbDescriptor, BeanAttributes originalAttributes, EnhancedAnnotatedType type) {
slimAnnotatedTypeStore.put(type.slim());
BeanAttributes attributes = Reflections.cast(BeanAttributesFactory.forNewSessionBean(originalAttributes, type.getJavaClass()));
getEnvironment().addSessionBean(NewSessionBean.of(attributes, ejbDescriptor, manager));
}
public E getEnvironment() {
return environment;
}
public void addBuiltInBean(AbstractBuiltInBean bean) {
getEnvironment().addBuiltInBean(bean);
}
public void addExtension(ExtensionBean bean) {
getEnvironment().addExtension(bean);
}
protected boolean fireProcessBeanAttributes(AbstractBean bean) {
if (!specializationAndEnablementRegistry.isCandidateForLifecycleEvent(bean)) {
return false;
}
ProcessBeanAttributesImpl event = containerLifecycleEvents.fireProcessBeanAttributes(getManager(), bean, bean.getAnnotated(), bean.getType());
if (event == null) {
return false;
}
if (event.isVeto()) {
return true;
}
if (event.isDirty()) {
bean.setAttributes(ExternalBeanAttributesFactory.of(event.getBeanAttributesInternal(), manager));
bean.checkSpecialization();
}
return false;
}
}
