Examples with Bean javax.enterprise.inject.spi.Bean used on opensource projects

Example 71 with Bean

use of javax.enterprise.inject.spi.Bean in project Payara by payara.

the class ServerSentEventServlet method doGet.

@Override
@SuppressWarnings("unchecked")
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // TODO needs to be injected
    if (extension == null) {
        throw new RuntimeException("Enable CDI by including empty WEB-INF/beans.xml");
    }
    Map<String, ServerSentEventApplication> applicationMap = extension.getApplicationMap();
    ServerSentEventApplication sseApp = applicationMap.get(req.getServletPath());
    Class<?> clazz = sseApp.getHandlerClass();
    ServerSentEventHandler sseh;
    CreationalContext cc;
    // Check if SSE handler can be instantiated via CDI
    Iterator<Bean<?>> it = bm.getBeans(clazz).iterator();
    if (it.hasNext()) {
        Bean bean = it.next();
        cc = bm.createCreationalContext(bean);
        sseh = (ServerSentEventHandler) bean.create(cc);
    } else {
        throw new RuntimeException("Cannot create ServerSentEventHandler using CDI");
    }
    ServerSentEventHandler.Status status = sseh.onConnecting(req);
    if (status == ServerSentEventHandler.Status.DONT_RECONNECT) {
        resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
        cc.release();
        return;
    }
    if (status != ServerSentEventHandler.Status.OK) {
        throw new RuntimeException("Internal Error: need to handle status " + status);
    }
    resp.setStatus(HttpServletResponse.SC_OK);
    resp.setContentType("text/event-stream");
    // writes status code and headers
    resp.flushBuffer();
    AsyncContext ac = req.startAsync(req, resp);
    // no timeout. need config ?
    ac.setTimeout(0);
    ServerSentEventConnectionImpl con = sseApp.createConnection(req, sseh, cc, ac);
    ac.addListener(con);
    con.init();
}

Example 72 with Bean

use of javax.enterprise.inject.spi.Bean in project Payara by payara.

the class CDISecondChanceResolver method justInTimeResolution.

/* (non-Javadoc)
     * @see org.glassfish.hk2.api.JustInTimeInjectionResolver#justInTimeResolution(org.glassfish.hk2.api.Injectee)
     */
@SuppressWarnings({ "unchecked" })
@Override
public boolean justInTimeResolution(Injectee failedInjectionPoint) {
    Type requiredType = failedInjectionPoint.getRequiredType();
    Set<Annotation> setQualifiers = failedInjectionPoint.getRequiredQualifiers();
    Annotation[] qualifiers = setQualifiers.toArray(new Annotation[setQualifiers.size()]);
    BeanManager manager = getCurrentBeanManager();
    if (manager == null)
        return false;
    Set<Bean<?>> beans = manager.getBeans(requiredType, qualifiers);
    if (beans == null || beans.isEmpty()) {
        return false;
    }
    DynamicConfiguration config = ServiceLocatorUtilities.createDynamicConfiguration(locator);
    for (Bean<?> bean : beans) {
        // Add a bean to the service locator
        CDIHK2Descriptor<Object> descriptor = new CDIHK2Descriptor<Object>(manager, (Bean<Object>) bean, requiredType);
        config.addActiveDescriptor(descriptor);
    }
    config.commit();
    return true;
}

Example 73 with Bean

use of javax.enterprise.inject.spi.Bean in project drools by kiegroup.

the class KieBusinessScopeContext method get.

// Return an existing instance of certain contextual type or create a new instance by calling
// javax.enterprise.context.spi.Contextual.create(CreationalContext) and return the new instance.
@Override
@SuppressWarnings("unchecked")
public <T> T get(Contextual<T> contextual, CreationalContext<T> creationalContext) {
    Bean bean = (Bean) contextual;
    // you can store the bean somewhere
    if (somewhere.containsKey(bean.getName())) {
        return (T) somewhere.get(bean.getName());
    } else {
        T t = (T) bean.create(creationalContext);
        somewhere.put(bean.getName(), t);
        return t;
    }
}

Example 74 with Bean

use of javax.enterprise.inject.spi.Bean in project drools by kiegroup.

the class CDIScopeTest method testKieBaseScope.

@Test
public void testKieBaseScope() {
    Set<Bean<?>> beans = beanManager.getBeans(KieBase.class, new KBaseLiteral("org.kie.kbase2"));
    assertEquals(1, beans.size());
    Bean bean1 = beans.toArray(new Bean[1])[0];
    assertEquals(ApplicationScoped.class, bean1.getScope());
    beans = beanManager.getBeans(KieBase.class, new KBaseLiteral("org.kie.kbase3"));
    assertEquals(1, beans.size());
    bean1 = beans.toArray(new Bean[1])[0];
    assertEquals(SessionScoped.class, bean1.getScope());
}