Examples with ClusterNodeSelector org.jboss.ejb.client.ClusterNodeSelector used on opensource projects

Example 1 with ClusterNodeSelector

use of org.jboss.ejb.client.ClusterNodeSelector in project wildfly by wildfly.

the class EJBClientDescriptorMetaDataProcessor method deploy.

@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
    final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
    // we only process top level deployment units
    if (deploymentUnit.getParent() != null) {
        return;
    }
    final EJBClientDescriptorMetaData ejbClientDescriptorMetaData = deploymentUnit.getAttachment(Attachments.EJB_CLIENT_METADATA);
    // no explicit EJB client configuration in this deployment, so nothing to do
    if (ejbClientDescriptorMetaData == null) {
        return;
    }
    // profile and remoting-ejb-receivers cannot be used together
    checkDescriptorConfiguration(ejbClientDescriptorMetaData);
    final Module module = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.MODULE);
    if (module == null) {
        return;
    }
    // install the descriptor based EJB client context service
    final ServiceName ejbClientContextServiceName = EJBClientContextService.DEPLOYMENT_BASE_SERVICE_NAME.append(deploymentUnit.getName());
    final ServiceTarget serviceTarget = phaseContext.getServiceTarget();
    // create the service
    final EJBClientContextService service = new EJBClientContextService();
    // add the service
    final ServiceBuilder<EJBClientContextService> serviceBuilder = serviceTarget.addService(ejbClientContextServiceName, service);
    if (appclient) {
        serviceBuilder.addDependency(EJBClientContextService.APP_CLIENT_URI_SERVICE_NAME, URI.class, service.getAppClientUri());
    }
    serviceBuilder.addDependency(EJBClientConfiguratorService.SERVICE_NAME, EJBClientConfiguratorService.class, service.getConfiguratorServiceInjector());
    final Injector<RemotingProfileService> profileServiceInjector = new Injector<RemotingProfileService>() {

        final Injector<EJBTransportProvider> injector = service.getLocalProviderInjector();

        boolean injected = false;

        public void inject(final RemotingProfileService value) throws InjectionException {
            final EJBTransportProvider provider = value.getLocalTransportProviderInjector().getOptionalValue();
            if (provider != null) {
                injected = true;
                injector.inject(provider);
            }
        }

        public void uninject() {
            if (injected) {
                injected = false;
                injector.uninject();
            }
        }
    };
    final String profile = ejbClientDescriptorMetaData.getProfile();
    final ServiceName profileServiceName;
    if (profile != null) {
        profileServiceName = RemotingProfileService.BASE_SERVICE_NAME.append(profile);
        serviceBuilder.addDependency(profileServiceName, RemotingProfileService.class, profileServiceInjector);
        serviceBuilder.addDependency(profileServiceName, RemotingProfileService.class, service.getProfileServiceInjector());
    } else {
        // if descriptor defines list of ejb-receivers instead of profile then we create internal ProfileService for this
        // application which contains defined receivers
        profileServiceName = ejbClientContextServiceName.append(INTERNAL_REMOTING_PROFILE);
        final Map<String, RemotingProfileService.ConnectionSpec> map = new HashMap<>();
        final RemotingProfileService profileService = new RemotingProfileService(Collections.emptyList(), map);
        final ServiceBuilder<RemotingProfileService> profileServiceBuilder = serviceTarget.addService(profileServiceName, profileService);
        if (ejbClientDescriptorMetaData.isLocalReceiverExcluded() != Boolean.TRUE) {
            final Boolean passByValue = ejbClientDescriptorMetaData.isLocalReceiverPassByValue();
            profileServiceBuilder.addDependency(passByValue == Boolean.TRUE ? LocalTransportProvider.BY_VALUE_SERVICE_NAME : LocalTransportProvider.BY_REFERENCE_SERVICE_NAME, EJBTransportProvider.class, profileService.getLocalTransportProviderInjector());
        }
        final Collection<EJBClientDescriptorMetaData.RemotingReceiverConfiguration> receiverConfigurations = ejbClientDescriptorMetaData.getRemotingReceiverConfigurations();
        for (EJBClientDescriptorMetaData.RemotingReceiverConfiguration receiverConfiguration : receiverConfigurations) {
            final String connectionRef = receiverConfiguration.getOutboundConnectionRef();
            final long connectTimeout = receiverConfiguration.getConnectionTimeout();
            final Properties channelCreationOptions = receiverConfiguration.getChannelCreationOptions();
            final OptionMap optionMap = getOptionMapFromProperties(channelCreationOptions, EJBClientDescriptorMetaDataProcessor.class.getClassLoader());
            final InjectedValue<AbstractOutboundConnectionService> injector = new InjectedValue<>();
            profileServiceBuilder.addDependency(AbstractOutboundConnectionService.OUTBOUND_CONNECTION_BASE_SERVICE_NAME.append(connectionRef), AbstractOutboundConnectionService.class, injector);
            final RemotingProfileService.ConnectionSpec connectionSpec = new RemotingProfileService.ConnectionSpec(connectionRef, injector, optionMap, connectTimeout);
            map.put(connectionRef, connectionSpec);
        }
        profileServiceBuilder.install();
        serviceBuilder.addDependency(profileServiceName, RemotingProfileService.class, profileServiceInjector);
        serviceBuilder.addDependency(profileServiceName, RemotingProfileService.class, service.getProfileServiceInjector());
    }
    // these items are the same no matter how we were configured
    final String deploymentNodeSelectorClassName = ejbClientDescriptorMetaData.getDeploymentNodeSelector();
    if (deploymentNodeSelectorClassName != null) {
        final DeploymentNodeSelector deploymentNodeSelector;
        try {
            deploymentNodeSelector = module.getClassLoader().loadClass(deploymentNodeSelectorClassName).asSubclass(DeploymentNodeSelector.class).getConstructor().newInstance();
        } catch (Exception e) {
            throw EjbLogger.ROOT_LOGGER.failedToCreateDeploymentNodeSelector(e, deploymentNodeSelectorClassName);
        }
        service.setDeploymentNodeSelector(deploymentNodeSelector);
    }
    final long invocationTimeout = ejbClientDescriptorMetaData.getInvocationTimeout();
    service.setInvocationTimeout(invocationTimeout);
    // clusters
    final Collection<EJBClientDescriptorMetaData.ClusterConfig> clusterConfigs = ejbClientDescriptorMetaData.getClusterConfigs();
    if (!clusterConfigs.isEmpty()) {
        final List<EJBClientCluster> clientClusters = new ArrayList<>(clusterConfigs.size());
        AuthenticationContext clustersAuthenticationContext = AuthenticationContext.empty();
        for (EJBClientDescriptorMetaData.ClusterConfig clusterConfig : clusterConfigs) {
            MatchRule defaultRule = MatchRule.ALL.matchAbstractType("ejb", "jboss");
            AuthenticationConfiguration defaultAuthenticationConfiguration = AuthenticationConfiguration.EMPTY;
            final EJBClientCluster.Builder clientClusterBuilder = new EJBClientCluster.Builder();
            final String clusterName = clusterConfig.getClusterName();
            clientClusterBuilder.setName(clusterName);
            defaultRule = defaultRule.matchProtocol("cluster");
            defaultRule = defaultRule.matchUrnName(clusterName);
            final long maxAllowedConnectedNodes = clusterConfig.getMaxAllowedConnectedNodes();
            clientClusterBuilder.setMaximumConnectedNodes(maxAllowedConnectedNodes);
            final String clusterNodeSelectorClassName = clusterConfig.getNodeSelector();
            if (clusterNodeSelectorClassName != null) {
                final ClusterNodeSelector clusterNodeSelector;
                try {
                    clusterNodeSelector = module.getClassLoader().loadClass(clusterNodeSelectorClassName).asSubclass(ClusterNodeSelector.class).getConstructor().newInstance();
                } catch (Exception e) {
                    throw EjbLogger.ROOT_LOGGER.failureDuringLoadOfClusterNodeSelector(clusterNodeSelectorClassName, clusterName, e);
                }
                clientClusterBuilder.setClusterNodeSelector(clusterNodeSelector);
            }
            final Properties clusterChannelCreationOptions = clusterConfig.getChannelCreationOptions();
            final OptionMap clusterChannelCreationOptionMap = getOptionMapFromProperties(clusterChannelCreationOptions, EJBClientDescriptorMetaDataProcessor.class.getClassLoader());
            final Properties clusterConnectionOptions = clusterConfig.getConnectionOptions();
            final OptionMap clusterConnectionOptionMap = getOptionMapFromProperties(clusterConnectionOptions, EJBClientDescriptorMetaDataProcessor.class.getClassLoader());
            final long clusterConnectTimeout = clusterConfig.getConnectTimeout();
            clientClusterBuilder.setConnectTimeoutMilliseconds(clusterConnectTimeout);
            final String clusterSecurityRealm = clusterConfig.getSecurityRealm();
            final String clusterUserName = clusterConfig.getUserName();
            CallbackHandler callbackHandler = getCallbackHandler(phaseContext.getServiceRegistry(), clusterUserName, clusterSecurityRealm);
            if (callbackHandler != null) {
                defaultAuthenticationConfiguration = defaultAuthenticationConfiguration.useCallbackHandler(callbackHandler);
            }
            if (clusterConnectionOptionMap != null) {
                RemotingOptions.mergeOptionsIntoAuthenticationConfiguration(clusterConnectionOptionMap, defaultAuthenticationConfiguration);
            }
            clustersAuthenticationContext = clustersAuthenticationContext.with(defaultRule, defaultAuthenticationConfiguration);
            final Collection<EJBClientDescriptorMetaData.ClusterNodeConfig> clusterNodeConfigs = clusterConfig.getClusterNodeConfigs();
            for (EJBClientDescriptorMetaData.ClusterNodeConfig clusterNodeConfig : clusterNodeConfigs) {
                MatchRule nodeRule = MatchRule.ALL.matchAbstractType("ejb", "jboss");
                AuthenticationConfiguration nodeAuthenticationConfiguration = AuthenticationConfiguration.EMPTY;
                final String nodeName = clusterNodeConfig.getNodeName();
                nodeRule = nodeRule.matchProtocol("node");
                nodeRule = nodeRule.matchUrnName(nodeName);
                final Properties channelCreationOptions = clusterNodeConfig.getChannelCreationOptions();
                final Properties connectionOptions = clusterNodeConfig.getConnectionOptions();
                final OptionMap connectionOptionMap = getOptionMapFromProperties(connectionOptions, EJBClientDescriptorMetaDataProcessor.class.getClassLoader());
                final long connectTimeout = clusterNodeConfig.getConnectTimeout();
                final String securityRealm = clusterNodeConfig.getSecurityRealm();
                final String userName = clusterNodeConfig.getUserName();
                CallbackHandler nodeCallbackHandler = getCallbackHandler(phaseContext.getServiceRegistry(), userName, securityRealm);
                if (nodeCallbackHandler != null) {
                    nodeAuthenticationConfiguration = nodeAuthenticationConfiguration.useCallbackHandler(nodeCallbackHandler);
                }
                if (connectionOptionMap != null) {
                    RemotingOptions.mergeOptionsIntoAuthenticationConfiguration(connectionOptionMap, nodeAuthenticationConfiguration);
                }
                clustersAuthenticationContext = clustersAuthenticationContext.with(0, nodeRule, nodeAuthenticationConfiguration);
            }
            final EJBClientCluster clientCluster = clientClusterBuilder.build();
            clientClusters.add(clientCluster);
        }
        service.setClientClusters(clientClusters);
        service.setClustersAuthenticationContext(clustersAuthenticationContext);
    }
    // install the service
    serviceBuilder.install();
    EjbLogger.DEPLOYMENT_LOGGER.debugf("Deployment unit %s will use %s as the EJB client context service", deploymentUnit, ejbClientContextServiceName);
    // attach the service name of this EJB client context to the deployment unit
    phaseContext.addDeploymentDependency(ejbClientContextServiceName, EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT_SERVICE);
    deploymentUnit.putAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT_SERVICE_NAME, ejbClientContextServiceName);
    deploymentUnit.putAttachment(EjbDeploymentAttachmentKeys.EJB_REMOTING_PROFILE_SERVICE_NAME, profileServiceName);
}