Examples with ServiceReference org.qi4j.api.service.ServiceReference used on opensource projects

Example 6 with ServiceReference

use of org.qi4j.api.service.ServiceReference in project qi4j-sdk by Qi4j.

the class ServiceLocator method locateService.

@SuppressWarnings("unchecked")
ServiceReference locateService(Application anApplication) {
    if (layerName != null) {
        Module module = anApplication.findModule(layerName, moduleName);
        Iterable<ServiceReference<Object>> serviceRefs = module.findServices(serviceType);
        for (ServiceReference<Object> serviceRef : serviceRefs) {
            if (serviceId.equals(serviceRef.identity())) {
                return serviceRef;
            }
        }
    }
    return null;
}

Example 7 with ServiceReference

use of org.qi4j.api.service.ServiceReference in project qi4j-sdk by Qi4j.

the class QuikitServlet method init.

@Override
public void init(ServletConfig config) throws ServletException {
    try {
        mountPoints = new TreeMap<String, Page>();
        documentFactory = DocumentBuilderFactory.newInstance();
        documentFactory.setNamespaceAware(true);
        ClassLoader cl = getClass().getClassLoader();
        SchemaFactory schemaFactory = SchemaFactory.newInstance("http://www.w3.org/2001/XMLSchema");
        Source[] schemaSources = new Source[2];
        schemaSources[0] = new StreamSource(cl.getResourceAsStream("xhtml1-strict.xsd"));
        schemaSources[1] = new StreamSource(cl.getResourceAsStream("xml.xsd"));
        Schema schema = schemaFactory.newSchema(schemaSources);
        documentFactory.setSchema(schema);
        ApplicationAssembler assembler = createApplicationAssembler(config);
        Energy4Java qi4j = new Energy4Java();
        application = qi4j.newApplication(assembler);
        application.activate();
        Module module = application.findModule("WebLayer", "PagesModule");
        finder = module;
        if (application.mode() == Application.Mode.development) {
            DataInitializer initializer = module.newTransient(DataInitializer.class);
            initializer.initialize();
        }
        Iterable<ServiceReference<Page>> iterable = finder.findServices(Page.class);
        for (ServiceReference<Page> page : iterable) {
            PageMetaInfo pageMetaInfo = page.metaInfo(PageMetaInfo.class);
            String mountPoint = pageMetaInfo.mountPoint();
            mountPoints.put(mountPoint, page.get());
        }
    } catch (Exception e) {
        throw new ServletException("Can not initialize Qi4j.", e);
    }
}

Example 8 with ServiceReference

use of org.qi4j.api.service.ServiceReference in project qi4j-sdk by Qi4j.

the class ServiceSelectorImporter method importService.

@Override
@SuppressWarnings({ "raw", "unchecked" })
public T importService(ImportedServiceDescriptor serviceDescriptor) throws ServiceImporterException {
    Specification<ServiceReference<?>> selector = serviceDescriptor.metaInfo(Specification.class);
    Class serviceType = Iterables.first(serviceDescriptor.types());
    Iterable<ServiceReference<T>> services = locator.findServices(serviceType);
    List<ServiceReference<T>> filteredServices = new ArrayList<>();
    for (ServiceReference<T> service : services) {
        Specification selector1 = service.metaInfo(Specification.class);
        if (selector1 != null && selector1 == selector) {
            continue;
        }
        filteredServices.add(service);
    }
    T service = ServiceQualifier.firstService(selector, filteredServices);
    if (service == null) {
        throw new ServiceImporterException("Could not find any service to import that matches the given specification for " + serviceDescriptor.identity());
    }
    return service;
}

Example 9 with ServiceReference

use of org.qi4j.api.service.ServiceReference in project qi4j-sdk by Qi4j.

the class ActivationDelegate method passivate.

@SuppressWarnings("unchecked")
public void passivate(Runnable callback) throws PassivationException {
    Set<Exception> exceptions = new LinkedHashSet<>();
    // Before Passivation Events
    if (fireEvents) {
        ActivationEvent event = new ActivationEvent(target, PASSIVATING);
        for (ActivationEventListener listener : listeners) {
            try {
                listener.onEvent(event);
            } catch (Exception ex) {
                if (ex instanceof PassivationException) {
                    exceptions.addAll(((PassivationException) ex).causes());
                } else {
                    exceptions.add(ex);
                }
            }
        }
    }
    // Before Passivation for Activators
    if (targetActivators != null) {
        try {
            targetActivators.beforePassivation(target);
        } catch (PassivationException ex) {
            exceptions.addAll(ex.causes());
        } catch (Exception ex) {
            exceptions.add(ex);
        }
    }
    // Passivation
    while (!activeChildren.isEmpty()) {
        passivateOneChild(exceptions);
    }
    // Internal Passivation Callback
    if (callback != null) {
        try {
            callback.run();
        } catch (Exception ex) {
            if (ex instanceof PassivationException) {
                exceptions.addAll(((PassivationException) ex).causes());
            } else {
                exceptions.add(ex);
            }
        }
    }
    // After Passivation for Activators
    if (targetActivators != null) {
        try {
            targetActivators.afterPassivation(target instanceof ServiceReference ? new PassiveServiceReference((ServiceReference) target) : target);
        } catch (PassivationException ex) {
            exceptions.addAll(ex.causes());
        } catch (Exception ex) {
            exceptions.add(ex);
        }
    }
    targetActivators = null;
    // After Passivation Events
    if (fireEvents) {
        ActivationEvent event = new ActivationEvent(target, PASSIVATED);
        for (ActivationEventListener listener : listeners) {
            try {
                listener.onEvent(event);
            } catch (Exception ex) {
                if (ex instanceof PassivationException) {
                    exceptions.addAll(((PassivationException) ex).causes());
                } else {
                    exceptions.add(ex);
                }
            }
        }
    }
    // Error handling
    if (exceptions.isEmpty()) {
        return;
    }
    throw new PassivationException(exceptions);
}

Example 10 with ServiceReference

use of org.qi4j.api.service.ServiceReference in project qi4j-sdk by Qi4j.

the class ImportedServicesInstance method toString.

@Override
public String toString() {
    StringBuilder sb = new StringBuilder("Services{");
    String sep = " ";
    for (ServiceReference serviceReference : serviceReferences) {
        sb.append(sep).append(serviceReference.identity()).append("(active=").append(serviceReference.isActive()).append(")");
        sep = ", ";
    }
    return sb.append(" }").toString();
}