use of javax.enterprise.inject.spi.Decorator in project tomee by apache.
the class BeanContext method newInstance.
@SuppressWarnings("unchecked")
public InstanceContext newInstance() throws Exception {
final ThreadContext callContext = new ThreadContext(this, null, Operation.INJECTION);
final ThreadContext oldContext = ThreadContext.enter(callContext);
final boolean dynamicallyImplemented = isDynamicallyImplemented();
final WebBeansContext webBeansContext = getWebBeansContext();
if (dynamicallyImplemented) {
if (!InvocationHandler.class.isAssignableFrom(getProxyClass())) {
throw new OpenEJBException("proxy class can only be InvocationHandler");
}
}
try {
final Context ctx = getJndiEnc();
final Class beanClass = getBeanClass();
final CurrentCreationalContext<Object> currentCreationalContext = get(CurrentCreationalContext.class);
CreationalContext<Object> creationalContext = currentCreationalContext != null ? currentCreationalContext.get() : null;
final CdiEjbBean cdiEjbBean = get(CdiEjbBean.class);
if (!CreationalContextImpl.class.isInstance(creationalContext) && webBeansContext != null) {
if (creationalContext == null) {
creationalContext = webBeansContext.getCreationalContextFactory().getCreationalContext(cdiEjbBean);
} else {
creationalContext = webBeansContext.getCreationalContextFactory().wrappedCreationalContext(creationalContext, cdiEjbBean);
}
}
final Object rootInstance;
if (cdiEjbBean != null && !dynamicallyImplemented && CdiEjbBean.EjbInjectionTargetImpl.class.isInstance(cdiEjbBean.getInjectionTarget())) {
rootInstance = CdiEjbBean.EjbInjectionTargetImpl.class.cast(cdiEjbBean.getInjectionTarget()).createNewPojo(creationalContext);
} else {
// not a cdi bean
rootInstance = getManagedClass().newInstance();
}
// Create bean instance
Object beanInstance;
final InjectionProcessor injectionProcessor;
if (!dynamicallyImplemented) {
injectionProcessor = new InjectionProcessor(rootInstance, getInjections(), InjectionProcessor.unwrap(ctx));
beanInstance = injectionProcessor.createInstance();
inject(beanInstance, creationalContext);
} else {
// update target
final List<Injection> newInjections = new ArrayList<Injection>();
for (final Injection injection : getInjections()) {
if (beanClass.equals(injection.getTarget())) {
final Injection updated = new Injection(injection.getJndiName(), injection.getName(), proxyClass);
newInjections.add(updated);
} else {
newInjections.add(injection);
}
}
injections.clear();
injections.addAll(newInjections);
injectionProcessor = new InjectionProcessor(rootInstance, injections, InjectionProcessor.unwrap(ctx));
final InvocationHandler handler = (InvocationHandler) injectionProcessor.createInstance();
beanInstance = DynamicProxyImplFactory.newProxy(this, handler);
inject(handler, creationalContext);
}
// Create interceptors
final Map<String, Object> interceptorInstances = new LinkedHashMap<String, Object>();
// Add the stats interceptor instance and other already created interceptor instances
for (final InterceptorInstance interceptorInstance : this.getUserAndSystemInterceptors()) {
final Class clazz = interceptorInstance.getData().getInterceptorClass();
interceptorInstances.put(clazz.getName(), interceptorInstance.getInterceptor());
}
for (final InterceptorData interceptorData : this.getInstanceScopedInterceptors()) {
if (interceptorData.getInterceptorClass().equals(beanClass)) {
continue;
}
final Class clazz = interceptorData.getInterceptorClass();
final Object iInstance;
if (webBeansContext != null) {
ConstructorInjectionBean interceptorConstructor = interceptorData.get(ConstructorInjectionBean.class);
if (interceptorConstructor == null) {
synchronized (this) {
interceptorConstructor = interceptorData.get(ConstructorInjectionBean.class);
if (interceptorConstructor == null) {
interceptorConstructor = new ConstructorInjectionBean(webBeansContext, clazz, webBeansContext.getAnnotatedElementFactory().newAnnotatedType(clazz));
interceptorData.set(ConstructorInjectionBean.class, interceptorConstructor);
}
}
}
iInstance = interceptorConstructor.create(creationalContext);
} else {
iInstance = clazz.newInstance();
}
final InjectionProcessor interceptorInjector = new InjectionProcessor(iInstance, this.getInjections(), InjectionProcessor.unwrap(ctx));
try {
final Object interceptorInstance = interceptorInjector.createInstance();
if (webBeansContext != null) {
try {
OWBInjector.inject(webBeansContext.getBeanManagerImpl(), interceptorInstance, creationalContext);
} catch (final Throwable t) {
// TODO handle this differently
// this is temporary till the injector can be rewritten
}
}
interceptorInstances.put(clazz.getName(), interceptorInstance);
} catch (final ConstructionException e) {
throw new Exception("Failed to create interceptor: " + clazz.getName(), e);
}
}
interceptorInstances.put(beanClass.getName(), beanInstance);
// Invoke post construct method
callContext.setCurrentOperation(Operation.POST_CONSTRUCT);
final List<InterceptorData> callbackInterceptors = this.getCallbackInterceptors();
final InterceptorStack postConstruct = new InterceptorStack(beanInstance, null, Operation.POST_CONSTRUCT, callbackInterceptors, interceptorInstances);
//Transaction Demarcation for Singleton PostConstruct method
TransactionType transactionType;
if (componentType == BeanType.SINGLETON || componentType == BeanType.STATEFUL) {
final Set<Method> callbacks = callbackInterceptors.get(callbackInterceptors.size() - 1).getPostConstruct();
if (callbacks.isEmpty()) {
transactionType = TransactionType.RequiresNew;
} else {
// TODO: we should take the last one I think
transactionType = getTransactionType(callbacks.iterator().next());
if (transactionType == TransactionType.Required) {
transactionType = TransactionType.RequiresNew;
}
}
} else {
transactionType = isBeanManagedTransaction() ? TransactionType.BeanManaged : TransactionType.NotSupported;
}
final TransactionPolicy transactionPolicy = EjbTransactionUtil.createTransactionPolicy(transactionType, callContext);
try {
//Call the chain
if (cdiEjbBean != null) {
// call it, it has no postconstruct but extensions can add stuff here, TODO: see if it should be called before or after effective postconstruct
cdiEjbBean.getInjectionTarget().postConstruct(beanInstance);
}
postConstruct.invoke();
} catch (final Throwable e) {
//RollBack Transaction
EjbTransactionUtil.handleSystemException(transactionPolicy, e, callContext);
} finally {
EjbTransactionUtil.afterInvoke(transactionPolicy, callContext);
}
// handle cdi decorators
if (cdiEjbBean != null) {
final Class<?> proxyClass = Class.class.cast(Reflections.get(cdiEjbBean.getInjectionTarget(), "proxyClass"));
if (proxyClass != null) {
// means interception
final InterceptorResolutionService.BeanInterceptorInfo interceptorInfo = cdiEjbBean.getBeanContext().get(InterceptorResolutionService.BeanInterceptorInfo.class);
if (interceptorInfo.getDecorators() != null && !interceptorInfo.getDecorators().isEmpty()) {
final InterceptorDecoratorProxyFactory pf = webBeansContext.getInterceptorDecoratorProxyFactory();
// decorators
final Object instance = beanInstance;
final List<Decorator<?>> decorators = interceptorInfo.getDecorators();
final Map<Decorator<?>, Object> instances = new HashMap<Decorator<?>, Object>();
for (int i = decorators.size(); i > 0; i--) {
final Decorator<?> decorator = decorators.get(i - 1);
CreationalContextImpl.class.cast(creationalContext).putDelegate(beanInstance);
final Object decoratorInstance = decorator.create(CreationalContext.class.cast(creationalContext));
instances.put(decorator, decoratorInstance);
beanInstance = pf.createProxyInstance(proxyClass, instance, new DecoratorHandler(interceptorInfo, decorators, instances, i - 1, instance, cdiEjbBean.getId()));
}
}
}
}
return new InstanceContext(this, beanInstance, interceptorInstances, creationalContext);
} finally {
ThreadContext.exit(oldContext);
}
}
use of javax.enterprise.inject.spi.Decorator in project aries by apache.
the class ConfigurationBean method create0.
protected <T> T create0(CreationalContext<T> creationalContext) {
Map<String, Object> map = new AbstractMap<String, Object>() {
@Override
public Set<java.util.Map.Entry<String, Object>> entrySet() {
return _configurationDependency.getConfiguration().entrySet();
}
};
T instance = cast(Conversions.c().convert(map).to(_configurationDependency.getBeanClass()));
InjectionPoint ip = getInjectionPoint(_currentInjectionPoint);
if (ip == null) {
return instance;
}
List<Decorator<?>> decorators = getDecorators(ip);
if (decorators.isEmpty()) {
return instance;
}
return Decorators.getOuterDelegate(cast(this), instance, creationalContext, cast(getBeanClass()), ip, _beanManagerImpl, decorators);
}
use of javax.enterprise.inject.spi.Decorator in project aries by apache.
the class ReferenceBean method create0.
protected <T> T create0(CreationalContext<T> creationalContext) {
T instance = cast(getServiceImpl());
InjectionPoint ip = getInjectionPoint(_currentInjectionPoint);
if (ip == null) {
return instance;
}
List<Decorator<?>> decorators = getDecorators(ip);
if (decorators.isEmpty()) {
return instance;
}
return Decorators.getOuterDelegate(cast(this), instance, creationalContext, cast(getBeanClass()), ip, _beanManagerImpl, decorators);
}
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