Examples of javax.enterprise.inject.spi.BeanManager

javax.enterprise.inject.spi.BeanManager
Allows a portable extension to interact directly with the container. Provides operations for obtaining contextual references for beans, along with many other operations of use to portable extensions.

Any bean may obtain an instance of BeanManager by injecting it:
```
 @Inject BeanManager manager; 
```
Java EE components may obtain an instance of BeanManager from {@linkplain javax.naming JNDI} by looking up the name{@code java:comp/BeanManager}.

Any operation of BeanManager may be called at any time during the execution of the application.
@author Gavin King @author Pete Muir @author Clint Popetz @author David Allen

    }


    @PreUpdate
    public void update(Object entity)
    {
        BeanManager beanManager = BeanManagerProvider.getInstance().getBeanManager();
        Set<Bean<?>> beans = beanManager.getBeans(PreUpdateAuditListener.class);
        for (Bean<?> bean : beans)
        {
            PreUpdateAuditListener result = (PreUpdateAuditListener) beanManager.getReference(
                    bean, PreUpdateAuditListener.class, beanManager.createCreationalContext(bean));
            result.preUpdate(entity);
        }
    }

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    }


    @Override
    protected Object createTest() throws Exception
    {
        BeanManager beanManager = BeanManagerProvider.getInstance().getBeanManager();


        Class<?> type = getTestClass().getJavaClass();
        Set<Bean<?>> beans = beanManager.getBeans(type);


        Object result;
        if (!USE_TEST_CLASS_AS_CDI_BEAN || beans == null || beans.isEmpty())
        {
            result = super.createTest();
            BeanProvider.injectFields(result); //fallback to simple injection
        }
        else
        {
            Bean<Object> bean = (Bean<Object>) beanManager.resolve(beans);
            CreationalContext<Object> creationalContext = beanManager.createCreationalContext(bean);
            result = beanManager.getReference(bean, type, creationalContext);
        }
        return result;
    }

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        }


        @Override
        public void evaluate() throws Throwable
        {
            BeanManager beanManager = BeanManagerProvider.getInstance().getBeanManager();
            Class<?> type = this.method.getMethod().getDeclaringClass();
            Set<Bean<?>> beans = beanManager.getBeans(type);


            if (!USE_TEST_CLASS_AS_CDI_BEAN || beans == null || beans.isEmpty())
            {
                BeanProvider.injectFields(this.originalTarget); //fallback to simple injection
                invokeMethod(this.originalTarget);
            }
            else
            {
                Bean<Object> bean = (Bean<Object>) beanManager.resolve(beans);


                CreationalContext<Object> creationalContext = beanManager.createCreationalContext(bean);


                Object target = beanManager.getReference(bean, type, creationalContext);


                try
                {
                    invokeMethod(target);
                }

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        if (requestContext == null) {
            final ClassLoader tccl = SecurityActions.getContextClassLoader();
            try {
                SecurityActions.setContextClassLoader(classLoader);
                //it does not matter if this happens twice
                final BeanManager beanManager = weldContainer.getValue().getBeanManager();
                final Bean<?> bean = beanManager.resolve(beanManager.getBeans(EjbRequestContext.class, EjbLiteral.INSTANCE));
                final CreationalContext<?> ctx = beanManager.createCreationalContext(bean);
                requestContext = (EjbRequestContext) beanManager.getReference(bean, EjbRequestContext.class, ctx);
            } finally {
                SecurityActions.setContextClassLoader(tccl);
            }
        }

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    private final ThreadLocal<BoundRequest> boundRequests = new ThreadLocal<BoundRequest>();


    @SuppressWarnings("unchecked")
    public void setup(Map<String, Object> properties) {
        try {
            final BeanManager manager = (BeanManager) new InitialContext().lookup(STANDARD_BEAN_MANAGER_JNDI_NAME);


            if (manager != null && Container.available()) {


                final Bean<BoundSessionContext> sessionContextBean = (Bean<BoundSessionContext>) manager.resolve(manager
                        .getBeans(BoundSessionContext.class, BoundLiteral.INSTANCE));
                CreationalContext<?> ctx = manager.createCreationalContext(sessionContextBean);
                final BoundSessionContext sessionContext = (BoundSessionContext) manager.getReference(sessionContextBean,
                        BoundSessionContext.class, ctx);
                sessionContext.associate(sessionContexts.get());
                sessionContext.activate();


                final Bean<BoundRequestContext> requestContextBean = (Bean<BoundRequestContext>) manager.resolve(manager
                        .getBeans(BoundRequestContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(requestContextBean);
                final BoundRequestContext requestContext = (BoundRequestContext) manager.getReference(requestContextBean,
                        BoundRequestContext.class, ctx);
                requestContext.associate(requestContexts.get());
                requestContext.activate();


                final Bean<BoundConversationContext> conversationContextBean = (Bean<BoundConversationContext>) manager
                        .resolve(manager.getBeans(BoundConversationContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(conversationContextBean);
                final BoundConversationContext conversationContext = (BoundConversationContext) manager.getReference(
                        conversationContextBean, BoundConversationContext.class, ctx);
                BoundRequest request = new MutableBoundRequest(requestContexts.get(), sessionContexts.get());
                boundRequests.set(request);
                conversationContext.associate(request);
                conversationContext.activate();

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    }


    @SuppressWarnings("unchecked")
    public void teardown(Map<String, Object> properties) {
        try {
            final BeanManager manager = (BeanManager) new InitialContext().lookup("java:comp/BeanManager");


            if (manager != null && Container.available()) {
                final Bean<BoundSessionContext> sessionContextBean = (Bean<BoundSessionContext>) manager.resolve(manager.getBeans(
                        BoundSessionContext.class, BoundLiteral.INSTANCE));
                CreationalContext<?> ctx = manager.createCreationalContext(sessionContextBean);
                final BoundSessionContext sessionContext = (BoundSessionContext) manager.getReference(sessionContextBean,
                        BoundSessionContext.class, ctx);
                sessionContext.deactivate();
                sessionContext.dissociate(sessionContexts.get());


                final Bean<BoundRequestContext> requestContextBean = (Bean<BoundRequestContext>) manager.resolve(manager.getBeans(
                        BoundRequestContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(requestContextBean);
                final BoundRequestContext requestContext = (BoundRequestContext) manager.getReference(requestContextBean,
                        BoundRequestContext.class, ctx);
                requestContext.deactivate();
                requestContext.dissociate(requestContexts.get());


                final Bean<BoundConversationContext> conversationContextBean = (Bean<BoundConversationContext>) manager
                        .resolve(manager.getBeans(BoundConversationContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(conversationContextBean);
                final BoundConversationContext conversationContext = (BoundConversationContext) manager.getReference(
                        conversationContextBean, BoundConversationContext.class, ctx);
                conversationContext.deactivate();
                conversationContext.dissociate(boundRequests.get());
            }
        } catch (NamingException e) {

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   @Inject @ApplicationScoped
   private InstanceProducer<BeanManager> beanManagerProducer;
   
   public void findBeanManager(@Observes Context context)
   {
      BeanManager manager = lookup(context);
      if(manager != null)
      {
         beanManagerProducer.set(manager);
      }
   }

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      catch (Exception e)
      {
         throw new RuntimeException("Failed to start standalone OpenWebBeans container", e);
      }


      BeanManager manager = lifecycle.getBeanManager();


      // start the application lifecycle
      ContextFactory.initApplicationContext(null);
      // start the session lifecycle
      HttpSession session = new MockHttpSession();

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    private final ThreadLocal<BoundRequest> boundRequests = new ThreadLocal<BoundRequest>();


    @SuppressWarnings("unchecked")
    public void setup(Map<String, Object> properties) {
        try {
            final BeanManager manager = (BeanManager) new InitialContext().lookup(STANDARD_BEAN_MANAGER_JNDI_NAME);


            if (manager != null && Container.available()) {


                final Bean<BoundSessionContext> sessionContextBean = (Bean<BoundSessionContext>) manager.resolve(manager
                        .getBeans(BoundSessionContext.class, BoundLiteral.INSTANCE));
                CreationalContext<?> ctx = manager.createCreationalContext(sessionContextBean);
                final BoundSessionContext sessionContext = (BoundSessionContext) manager.getReference(sessionContextBean,
                        BoundSessionContext.class, ctx);
                sessionContext.associate(sessionContexts.get());
                sessionContext.activate();


                final Bean<BoundRequestContext> requestContextBean = (Bean<BoundRequestContext>) manager.resolve(manager
                        .getBeans(BoundRequestContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(requestContextBean);
                final BoundRequestContext requestContext = (BoundRequestContext) manager.getReference(requestContextBean,
                        BoundRequestContext.class, ctx);
                requestContext.associate(requestContexts.get());
                requestContext.activate();


                final Bean<BoundConversationContext> conversationContextBean = (Bean<BoundConversationContext>) manager
                        .resolve(manager.getBeans(BoundConversationContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(conversationContextBean);
                final BoundConversationContext conversationContext = (BoundConversationContext) manager.getReference(
                        conversationContextBean, BoundConversationContext.class, ctx);
                BoundRequest request = new MutableBoundRequest(requestContexts.get(), sessionContexts.get());
                boundRequests.set(request);
                conversationContext.associate(request);
                conversationContext.activate();

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    }


    @SuppressWarnings("unchecked")
    public void teardown(Map<String, Object> properties) {
        try {
            final BeanManager manager = (BeanManager) new InitialContext().lookup("java:comp/BeanManager");


            if (manager != null && Container.available()) {
                final Bean<BoundSessionContext> sessionContextBean = (Bean<BoundSessionContext>) manager.resolve(manager.getBeans(
                        BoundSessionContext.class, BoundLiteral.INSTANCE));
                CreationalContext<?> ctx = manager.createCreationalContext(sessionContextBean);
                final BoundSessionContext sessionContext = (BoundSessionContext) manager.getReference(sessionContextBean,
                        BoundSessionContext.class, ctx);
                sessionContext.deactivate();
                sessionContext.dissociate(sessionContexts.get());


                final Bean<BoundRequestContext> requestContextBean = (Bean<BoundRequestContext>) manager.resolve(manager.getBeans(
                        BoundRequestContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(requestContextBean);
                final BoundRequestContext requestContext = (BoundRequestContext) manager.getReference(requestContextBean,
                        BoundRequestContext.class, ctx);
                requestContext.deactivate();
                requestContext.dissociate(requestContexts.get());


                final Bean<BoundConversationContext> conversationContextBean = (Bean<BoundConversationContext>) manager
                        .resolve(manager.getBeans(BoundConversationContext.class, BoundLiteral.INSTANCE));
                ctx = manager.createCreationalContext(conversationContextBean);
                final BoundConversationContext conversationContext = (BoundConversationContext) manager.getReference(
                        conversationContextBean, BoundConversationContext.class, ctx);
                conversationContext.deactivate();
                conversationContext.dissociate(boundRequests.get());
            }
        } catch (NamingException e) {

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