Lighty support Silicon migration
[transportpce.git] / lighty / src / main / java / io / lighty / controllers / tpce / module / TransportPCEImpl.java
index cf64773cda0188cd1e8ce8c8dc483b2dcfdbbcb0..f977f15d3470a90722a1f4fa23ef26b7e4249052 100644 (file)
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at https://www.eclipse.org/legal/epl-v10.html
  */
-
 package io.lighty.controllers.tpce.module;
 
 import io.lighty.core.controller.api.AbstractLightyModule;
 import io.lighty.core.controller.api.LightyServices;
+import java.util.Arrays;
+import java.util.List;
+import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
 import org.opendaylight.transportpce.common.crossconnect.CrossConnectImpl;
 import org.opendaylight.transportpce.common.crossconnect.CrossConnectImpl121;
 import org.opendaylight.transportpce.common.crossconnect.CrossConnectImpl221;
 import org.opendaylight.transportpce.common.device.DeviceTransactionManagerImpl;
-import org.opendaylight.transportpce.common.fixedflex.FixedFlexImpl;
+import org.opendaylight.transportpce.common.mapping.MappingUtils;
 import org.opendaylight.transportpce.common.mapping.MappingUtilsImpl;
+import org.opendaylight.transportpce.common.mapping.PortMapping;
 import org.opendaylight.transportpce.common.mapping.PortMappingImpl;
 import org.opendaylight.transportpce.common.mapping.PortMappingVersion121;
 import org.opendaylight.transportpce.common.mapping.PortMappingVersion221;
+import org.opendaylight.transportpce.common.mapping.PortMappingVersion710;
 import org.opendaylight.transportpce.common.network.NetworkTransactionImpl;
+import org.opendaylight.transportpce.common.network.NetworkTransactionService;
 import org.opendaylight.transportpce.common.network.RequestProcessor;
+import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfacesImpl;
 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfacesImpl121;
 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfacesImpl221;
+import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfacesImpl710;
+import org.opendaylight.transportpce.nbinotifications.impl.NbiNotificationsProvider;
 import org.opendaylight.transportpce.networkmodel.NetConfTopologyListener;
 import org.opendaylight.transportpce.networkmodel.NetworkModelProvider;
 import org.opendaylight.transportpce.networkmodel.NetworkUtilsImpl;
 import org.opendaylight.transportpce.networkmodel.R2RLinkDiscovery;
+import org.opendaylight.transportpce.networkmodel.listeners.PortMappingListener;
+import org.opendaylight.transportpce.networkmodel.service.FrequenciesService;
+import org.opendaylight.transportpce.networkmodel.service.FrequenciesServiceImpl;
+import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
 import org.opendaylight.transportpce.networkmodel.service.NetworkModelServiceImpl;
-import org.opendaylight.transportpce.networkmodel.util.OpenRoadmFactory;
-import org.opendaylight.transportpce.networkmodel.util.OpenRoadmTopology22;
 import org.opendaylight.transportpce.olm.OlmPowerServiceRpcImpl;
 import org.opendaylight.transportpce.olm.OlmProvider;
 import org.opendaylight.transportpce.olm.power.PowerMgmt;
 import org.opendaylight.transportpce.olm.power.PowerMgmtImpl;
+import org.opendaylight.transportpce.olm.service.OlmPowerService;
 import org.opendaylight.transportpce.olm.service.OlmPowerServiceImpl;
+import org.opendaylight.transportpce.pce.gnpy.consumer.GnpyConsumer;
+import org.opendaylight.transportpce.pce.gnpy.consumer.GnpyConsumerImpl;
 import org.opendaylight.transportpce.pce.impl.PceProvider;
+import org.opendaylight.transportpce.pce.service.PathComputationService;
 import org.opendaylight.transportpce.pce.service.PathComputationServiceImpl;
-import org.opendaylight.transportpce.renderer.NetworkModelWavelengthServiceImpl;
 import org.opendaylight.transportpce.renderer.RendererProvider;
 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterface121;
 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterface221;
+import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterface710;
 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterfaceFactory;
+// Adding OTN interface
+import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmOtnInterface221;
+import org.opendaylight.transportpce.renderer.provisiondevice.DeviceRendererService;
 import org.opendaylight.transportpce.renderer.provisiondevice.DeviceRendererServiceImpl;
+import org.opendaylight.transportpce.renderer.provisiondevice.OtnDeviceRendererService;
+// Add OTN
+import org.opendaylight.transportpce.renderer.provisiondevice.OtnDeviceRendererServiceImpl;
+import org.opendaylight.transportpce.renderer.provisiondevice.RendererServiceOperations;
 import org.opendaylight.transportpce.renderer.provisiondevice.RendererServiceOperationsImpl;
 import org.opendaylight.transportpce.renderer.rpcs.DeviceRendererRPCImpl;
+import org.opendaylight.transportpce.servicehandler.impl.ServicehandlerImpl;
 import org.opendaylight.transportpce.servicehandler.impl.ServicehandlerProvider;
+import org.opendaylight.transportpce.servicehandler.listeners.NetworkModelListenerImpl;
+import org.opendaylight.transportpce.servicehandler.listeners.PceListenerImpl;
+import org.opendaylight.transportpce.servicehandler.listeners.RendererListenerImpl;
+import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperations;
+import org.opendaylight.transportpce.servicehandler.service.ServiceDataStoreOperationsImpl;
+import org.opendaylight.transportpce.tapi.impl.TapiProvider;
+import org.opendaylight.transportpce.tapi.utils.TapiListener;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev170818.TransportpceNetworkutilsService;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.TransportpceOlmService;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.OrgOpenroadmServiceService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class TransportPCEImpl extends AbstractLightyModule implements TransportPCE {
 
+public class TransportPCEImpl extends AbstractLightyModule implements TransportPCE {
     private static final Logger LOG = LoggerFactory.getLogger(TransportPCEImpl.class);
-    private static final long MaxDurationToSubmitTransaction = 1500;
-
-    // common beans
+    private static final long MAX_DURATION_TO_SUBMIT_TRANSACTION = 1500;
+    // transaction beans
+    // cannot use interface for DeviceTransactionManagerImpl
+    // because implementation has additional public methods ...
     private final DeviceTransactionManagerImpl deviceTransactionManager;
-    private final MappingUtilsImpl mappingUtils;
-    private final OpenRoadmInterfacesImpl121 openRoadmInterfacesImpl121;
-    private final OpenRoadmInterfacesImpl221 openRoadmInterfacesImpl221;
-    private final OpenRoadmInterfacesImpl openRoadmInterfaces;
-    private final PortMappingVersion221 portMappingVersion221;
-    private final RequestProcessor requestProcessor;
-    private final NetworkTransactionImpl networkTransaction;
-    private final PortMappingVersion121 portMappingVersion121;
-    private final PortMappingImpl portMapping;
-    private final CrossConnectImpl121 crossConnectImpl121;
-    private final CrossConnectImpl221 crossConnectImpl221;
-    private final CrossConnectImpl crossConnect;
-    private final FixedFlexImpl fixedFlex;
-
+    private final NetworkTransactionService networkTransaction;
     // pce beans
-    private final PathComputationServiceImpl pathComputationService;
     private final PceProvider pceProvider;
-
     // network model beans
-    private final OpenRoadmTopology22 openRoadmTopology22;
-    private final OpenRoadmFactory openRoadmFactory;
-    private final R2RLinkDiscovery linkDiscoveryImpl;
-    private final NetworkUtilsImpl networkutilsServiceImpl;
-    private final NetworkModelServiceImpl networkModelService;
-    private final NetConfTopologyListener netConfTopologyListener;
     private final NetworkModelProvider networkModelProvider;
-
     // OLM beans
-    private final PowerMgmt powerMgmt;
-    private final OlmPowerServiceImpl olmPowerService;
     private final OlmProvider olmProvider;
-    private final OlmPowerServiceRpcImpl olmPowerServiceRpc;
-
     // renderer beans
-    private final OpenRoadmInterface121 openRoadmInterface121;
-    private final OpenRoadmInterface221 openRoadmInterface22;
-    private final OpenRoadmInterfaceFactory openRoadmInterfaceFactory;
-    private final DeviceRendererServiceImpl deviceRendererService;
-    private final DeviceRendererRPCImpl deviceRendererRPC;
-    private final NetworkModelWavelengthServiceImpl networkModelWavelengthService;
-    private final RendererServiceOperationsImpl rendererServiceOperations;
     private final RendererProvider rendererProvider;
-
+    // T-api
+    private final TapiProvider tapiProvider;
     // service-handler beans
     private final ServicehandlerProvider servicehandlerProvider;
+    // nbi-notifications beans
+    private NbiNotificationsProvider nbiNotificationsProvider;
+    /**
+     * List of publisher topics.
+     */
+    private final List<String> publisherTopicList =
+            Arrays.asList("PceListener", "ServiceHandlerOperations", "ServiceHandler", "RendererListener");
 
-    public TransportPCEImpl(LightyServices lightyServices) {
-        LOG.info("Creating common beans ...");
-        deviceTransactionManager = new DeviceTransactionManagerImpl(lightyServices.getControllerBindingMountPointService(), MaxDurationToSubmitTransaction);
-        mappingUtils = new MappingUtilsImpl(lightyServices.getControllerBindingPingPongDataBroker());
-        openRoadmInterfacesImpl121 = new OpenRoadmInterfacesImpl121(deviceTransactionManager);
-        openRoadmInterfacesImpl221 = new OpenRoadmInterfacesImpl221(deviceTransactionManager);
-        openRoadmInterfaces = new OpenRoadmInterfacesImpl(deviceTransactionManager, mappingUtils, openRoadmInterfacesImpl121, openRoadmInterfacesImpl221);
-        portMappingVersion221 = new PortMappingVersion221(lightyServices.getControllerBindingPingPongDataBroker(), deviceTransactionManager, openRoadmInterfaces);
-        requestProcessor = new RequestProcessor(lightyServices.getControllerBindingPingPongDataBroker());
+    public TransportPCEImpl(LightyServices lightyServices, boolean activateNbiNotification) {
+        LOG.info("Initializing transaction providers ...");
+        deviceTransactionManager = new DeviceTransactionManagerImpl(lightyServices.getBindingMountPointService(),
+                MAX_DURATION_TO_SUBMIT_TRANSACTION);
+        RequestProcessor requestProcessor = new RequestProcessor(lightyServices.getBindingDataBroker());
         networkTransaction = new NetworkTransactionImpl(requestProcessor);
-        portMappingVersion121 = new PortMappingVersion121(lightyServices.getControllerBindingPingPongDataBroker(), deviceTransactionManager, openRoadmInterfaces);
-        portMapping = new PortMappingImpl(lightyServices.getControllerBindingPingPongDataBroker(), portMappingVersion221, portMappingVersion121);
-        crossConnectImpl121 = new CrossConnectImpl121(deviceTransactionManager);
-        crossConnectImpl221 = new CrossConnectImpl221(deviceTransactionManager);
-        crossConnect = new CrossConnectImpl(deviceTransactionManager, mappingUtils, crossConnectImpl121, crossConnectImpl221);
-        fixedFlex = new FixedFlexImpl();
-
-        LOG.info("Creating PCE beans ...");
-        pathComputationService = new PathComputationServiceImpl(networkTransaction, lightyServices.getControllerBindingNotificationPublishService());
-        pceProvider = new PceProvider(lightyServices.getControllerRpcProviderRegistry(), pathComputationService);
 
         LOG.info("Creating network-model beans ...");
-        openRoadmTopology22 = new OpenRoadmTopology22(networkTransaction, deviceTransactionManager);
-        openRoadmFactory = new OpenRoadmFactory(mappingUtils, openRoadmTopology22);
-        linkDiscoveryImpl = new R2RLinkDiscovery(lightyServices.getControllerBindingPingPongDataBroker(), deviceTransactionManager, openRoadmFactory, networkTransaction);
-        networkutilsServiceImpl = new NetworkUtilsImpl(lightyServices.getControllerBindingPingPongDataBroker(), openRoadmFactory);
-        networkModelService = new NetworkModelServiceImpl(networkTransaction, linkDiscoveryImpl, deviceTransactionManager, openRoadmFactory, portMapping);
-        netConfTopologyListener = new NetConfTopologyListener(networkModelService, lightyServices.getControllerBindingPingPongDataBroker(), deviceTransactionManager);
-        networkModelProvider = new NetworkModelProvider(networkTransaction, lightyServices.getControllerBindingPingPongDataBroker(), lightyServices.getControllerRpcProviderRegistry(), networkutilsServiceImpl, netConfTopologyListener, openRoadmFactory);
+        R2RLinkDiscovery linkDiscoveryImpl = new R2RLinkDiscovery(lightyServices.getBindingDataBroker(),
+                deviceTransactionManager, networkTransaction);
+        TransportpceNetworkutilsService networkutilsServiceImpl = new NetworkUtilsImpl(
+                lightyServices.getBindingDataBroker());
+        MappingUtils mappingUtils = new MappingUtilsImpl(lightyServices.getBindingDataBroker());
+        OpenRoadmInterfaces openRoadmInterfaces = initOpenRoadmInterfaces(mappingUtils);
+        PortMapping portMapping = initPortMapping(lightyServices, openRoadmInterfaces);
+        NetworkModelService networkModelService = new NetworkModelServiceImpl(networkTransaction, linkDiscoveryImpl,
+                portMapping, lightyServices.getBindingNotificationPublishService());
+        FrequenciesService networkModelWavelengthService =
+                new FrequenciesServiceImpl(lightyServices.getBindingDataBroker());
+        NetConfTopologyListener netConfTopologyListener = new NetConfTopologyListener(networkModelService,
+                lightyServices.getBindingDataBroker(), deviceTransactionManager, portMapping);
+        PortMappingListener portMappingListener = new PortMappingListener(networkModelService);
+        networkModelProvider = new NetworkModelProvider(networkTransaction, lightyServices.getBindingDataBroker(),
+                lightyServices.getRpcProviderService(), networkutilsServiceImpl, netConfTopologyListener,
+                lightyServices.getNotificationService(), networkModelWavelengthService, portMappingListener);
+
+        LOG.info("Creating PCE beans ...");
+        // TODO: pass those parameters through command line
+        GnpyConsumer gnpyConsumer = new GnpyConsumerImpl("http://127.0.0.1:8008",
+                "gnpy", "gnpy", lightyServices.getAdapterContext().currentSerializer());
+        PathComputationService pathComputationService = new PathComputationServiceImpl(
+                networkTransaction,
+                lightyServices.getBindingNotificationPublishService(),
+                gnpyConsumer,
+                portMapping
+                );
+        pceProvider = new PceProvider(lightyServices.getRpcProviderService(), pathComputationService);
 
         LOG.info("Creating OLM beans ...");
-        powerMgmt = new PowerMgmtImpl(lightyServices.getControllerBindingPingPongDataBroker(), openRoadmInterfaces, crossConnect, deviceTransactionManager);
-        olmPowerService = new OlmPowerServiceImpl(lightyServices.getControllerBindingPingPongDataBroker(), powerMgmt, deviceTransactionManager, portMapping, mappingUtils, openRoadmInterfaces);
-        olmProvider = new OlmProvider(lightyServices.getControllerRpcProviderRegistry(), olmPowerService);
-        olmPowerServiceRpc = new OlmPowerServiceRpcImpl(olmPowerService);
+        CrossConnect crossConnect = initCrossConnect(mappingUtils);
+        PowerMgmt powerMgmt = new PowerMgmtImpl(lightyServices.getBindingDataBroker(), openRoadmInterfaces,
+                crossConnect, deviceTransactionManager);
+        OlmPowerService olmPowerService = new OlmPowerServiceImpl(lightyServices.getBindingDataBroker(), powerMgmt,
+                deviceTransactionManager, portMapping, mappingUtils, openRoadmInterfaces);
+        olmProvider = new OlmProvider(lightyServices.getRpcProviderService(), olmPowerService);
+        TransportpceOlmService olmPowerServiceRpc = new OlmPowerServiceRpcImpl(olmPowerService);
 
         LOG.info("Creating renderer beans ...");
-        openRoadmInterface121 = new OpenRoadmInterface121(portMapping, openRoadmInterfaces);
-        openRoadmInterface22 = new OpenRoadmInterface221(portMapping, openRoadmInterfaces, fixedFlex);
-        openRoadmInterfaceFactory = new OpenRoadmInterfaceFactory(mappingUtils, openRoadmInterface121, openRoadmInterface22);
-        deviceRendererService = new DeviceRendererServiceImpl(lightyServices.getControllerBindingPingPongDataBroker(), deviceTransactionManager, openRoadmInterfaceFactory, openRoadmInterfaces, crossConnect, portMapping);
-        deviceRendererRPC = new DeviceRendererRPCImpl(deviceRendererService);
-        networkModelWavelengthService = new NetworkModelWavelengthServiceImpl(lightyServices.getControllerBindingPingPongDataBroker());
-        rendererServiceOperations = new RendererServiceOperationsImpl(deviceRendererService, olmPowerServiceRpc, lightyServices.getControllerBindingPingPongDataBroker(), networkModelWavelengthService, lightyServices.getControllerBindingNotificationPublishService());
-        rendererProvider = new RendererProvider(lightyServices.getControllerRpcProviderRegistry(), deviceRendererRPC, rendererServiceOperations);
+        OpenRoadmInterfaceFactory openRoadmInterfaceFactory = initOpenRoadmFactory(mappingUtils, openRoadmInterfaces,
+                portMapping);
+        DeviceRendererService deviceRendererService = new DeviceRendererServiceImpl(
+                lightyServices.getBindingDataBroker(), deviceTransactionManager, openRoadmInterfaceFactory,
+                openRoadmInterfaces, crossConnect, portMapping, networkModelService);
+        OtnDeviceRendererService otnDeviceRendererService = new OtnDeviceRendererServiceImpl(openRoadmInterfaceFactory,
+                crossConnect, openRoadmInterfaces, deviceTransactionManager, networkModelService);
+        rendererProvider = initRenderer(lightyServices, olmPowerServiceRpc, deviceRendererService,
+                otnDeviceRendererService);
 
         LOG.info("Creating service-handler beans ...");
-        servicehandlerProvider = new ServicehandlerProvider(lightyServices.getControllerBindingPingPongDataBroker(), lightyServices.getControllerRpcProviderRegistry(), lightyServices.getControllerBindingNotificationService(),
-                pathComputationService, rendererServiceOperations, networkModelWavelengthService, lightyServices.getControllerBindingNotificationPublishService());
-
+        RendererServiceOperations rendererServiceOperations = new RendererServiceOperationsImpl(deviceRendererService,
+                otnDeviceRendererService, olmPowerServiceRpc, lightyServices.getBindingDataBroker(),
+                lightyServices.getBindingNotificationPublishService());
+        ServiceDataStoreOperations serviceDataStoreOperations = new ServiceDataStoreOperationsImpl(
+                lightyServices.getBindingDataBroker());
+        RendererListenerImpl rendererListenerImpl = new RendererListenerImpl(pathComputationService,
+            lightyServices.getBindingNotificationPublishService());
+        PceListenerImpl pceListenerImpl = new PceListenerImpl(rendererServiceOperations, pathComputationService,
+            lightyServices.getBindingNotificationPublishService(), serviceDataStoreOperations);
+        NetworkModelListenerImpl networkModelListenerImpl = new NetworkModelListenerImpl(
+                lightyServices.getBindingNotificationPublishService(), serviceDataStoreOperations);
+        ServicehandlerImpl servicehandler = new ServicehandlerImpl(lightyServices.getBindingDataBroker(),
+            pathComputationService, rendererServiceOperations, lightyServices.getBindingNotificationPublishService(),
+            pceListenerImpl, rendererListenerImpl, networkModelListenerImpl, serviceDataStoreOperations, "N/A");
+        servicehandlerProvider = new ServicehandlerProvider(lightyServices.getBindingDataBroker(),
+                lightyServices.getRpcProviderService(), lightyServices.getNotificationService(),
+                serviceDataStoreOperations, pceListenerImpl, rendererListenerImpl, networkModelListenerImpl,
+                servicehandler);
+        tapiProvider = initTapi(lightyServices, servicehandler);
+        if (activateNbiNotification) {
+            LOG.info("Creating nbi-notifications beans ...");
+            nbiNotificationsProvider = new NbiNotificationsProvider(
+                    publisherTopicList, null, null, lightyServices.getRpcProviderService(),
+                    lightyServices.getNotificationService(), lightyServices.getAdapterContext().currentSerializer());
+        }
     }
 
     @Override
     protected boolean initProcedure() {
-        LOG.info("Initializing common beans ...");
-        LOG.info("Initializing PCE beans ...");
-        pathComputationService.init();
+        LOG.info("Initializing PCE provider ...");
         pceProvider.init();
-        LOG.info("Initializing network-model beans ...");
+        LOG.info("Initializing network-model provider ...");
         networkModelProvider.init();
-        LOG.info("Initializing OLM beans ...");
-        olmPowerService.init();
+        LOG.info("Initializing OLM provider ...");
         olmProvider.init();
-        LOG.info("Initializing renderer beans ...");
+        LOG.info("Initializing renderer provider ...");
         rendererProvider.init();
-        LOG.info("Initializing service-handler beans ...");
+        LOG.info("Initializing service-handler provider ...");
         servicehandlerProvider.init();
+        LOG.info("Initializing tapi provider ...");
+        tapiProvider.init();
+        if(nbiNotificationsProvider != null) {
+            LOG.info("Initializing nbi-notifications provider ...");
+            nbiNotificationsProvider.init();
+        }
         LOG.info("Init done.");
         return true;
     }
 
     @Override
     protected boolean stopProcedure() {
-        LOG.info("Shutting down service-handler beans ...");
+        nbiNotificationsProvider.close();
+        LOG.info("Shutting down nbi-notifications provider ...");
+        tapiProvider.close();
+        LOG.info("Shutting down service-handler provider ...");
         servicehandlerProvider.close();
-        LOG.info("Shutting down renderer beans ...");
+        LOG.info("Shutting down renderer provider ...");
         rendererProvider.close();
-        LOG.info("Shutting down OLM beans ...");
+        LOG.info("Shutting down OLM provider ...");
         olmProvider.close();
-        olmPowerService.close();
-        LOG.info("Shutting down network-model beans ...");
+        LOG.info("Shutting down network-model provider ...");
         networkModelProvider.close();
-        LOG.info("Shutting down PCE beans ...");
-        pathComputationService.close();
+        LOG.info("Shutting down PCE provider ...");
         pceProvider.close();
-        LOG.info("Shutting down common beans ...");
+        LOG.info("Shutting down transaction providers ...");
         networkTransaction.close();
         deviceTransactionManager.preDestroy();
         LOG.info("Shutdown done.");
         return true;
     }
 
+    /**
+     * Init tapi provider beans.
+     *
+     * @param lightyServices LightyServices
+     * @param rendererServiceOperations RendererServiceOperations
+     * @return TapiProvider instance
+     */
+    private TapiProvider initTapi(LightyServices lightyServices, OrgOpenroadmServiceService servicehandler) {
+        return new TapiProvider(lightyServices.getBindingDataBroker(), lightyServices.getRpcProviderService(),
+                servicehandler, new TapiListener());
+    }
+
+    /**
+     * Init renderer provider beans.
+     *
+     * @param lightyServices LightyServices
+     * @param olmPowerServiceRpc TransportpceOlmService
+     * @param deviceRendererService DeviceRendererService
+     * @param otnDeviceRendererService OtnDeviceRendererService
+     * @return RendererProvider instance
+     */
+    private RendererProvider initRenderer(LightyServices lightyServices, TransportpceOlmService olmPowerServiceRpc,
+            DeviceRendererService deviceRendererService, OtnDeviceRendererService otnDeviceRendererService) {
+        DeviceRendererRPCImpl deviceRendererRPC = new DeviceRendererRPCImpl(deviceRendererService,
+                otnDeviceRendererService);
+        RendererServiceOperationsImpl rendererServiceOperations = new RendererServiceOperationsImpl(
+                deviceRendererService, otnDeviceRendererService, olmPowerServiceRpc,
+                lightyServices.getBindingDataBroker(), lightyServices.getBindingNotificationPublishService());
+        return new RendererProvider(lightyServices.getRpcProviderService(), deviceRendererRPC,
+                rendererServiceOperations);
+    }
+
+    /**
+     * Init OpenRoadmInterfaceFactory.
+     *
+     * @param mappingUtils MappingUtils
+     * @param openRoadmInterfaces OpenRoadmInterfaces
+     * @param portMapping PortMapping
+     * @return OpenRoadmInterfaceFactory instance
+     */
+    private OpenRoadmInterfaceFactory initOpenRoadmFactory(MappingUtils mappingUtils,
+            OpenRoadmInterfaces openRoadmInterfaces, PortMapping portMapping) {
+        OpenRoadmInterface121 openRoadmInterface121 = new OpenRoadmInterface121(portMapping, openRoadmInterfaces);
+        OpenRoadmInterface221 openRoadmInterface221 = new OpenRoadmInterface221(portMapping, openRoadmInterfaces);
+        OpenRoadmInterface710 openRoadmInterface710 = new OpenRoadmInterface710(portMapping, openRoadmInterfaces);
+        OpenRoadmOtnInterface221 openRoadmOtnInterface221 = new OpenRoadmOtnInterface221(portMapping,
+                openRoadmInterfaces);
+        return new OpenRoadmInterfaceFactory(mappingUtils, openRoadmInterface121, openRoadmInterface221,
+            openRoadmInterface710, openRoadmOtnInterface221);
+    }
+
+    /**
+     * Init PortMapping.
+     *
+     * @param lightyServices LightyServices
+     * @param openRoadmInterfaces OpenRoadmInterfaces
+     * @return PortMapping instance
+     */
+    private PortMapping initPortMapping(LightyServices lightyServices, OpenRoadmInterfaces openRoadmInterfaces) {
+        PortMappingVersion710 portMappingVersion710 = new PortMappingVersion710(lightyServices.getBindingDataBroker(),
+            deviceTransactionManager, openRoadmInterfaces);
+        PortMappingVersion221 portMappingVersion221 = new PortMappingVersion221(lightyServices.getBindingDataBroker(),
+                deviceTransactionManager, openRoadmInterfaces);
+        PortMappingVersion121 portMappingVersion121 = new PortMappingVersion121(lightyServices.getBindingDataBroker(),
+                deviceTransactionManager, openRoadmInterfaces);
+        return new PortMappingImpl(lightyServices.getBindingDataBroker(), portMappingVersion710,
+            portMappingVersion221, portMappingVersion121);
+    }
+
+    /**
+     * Init OpenRoadmInterfaces.
+     *
+     * @param mappingUtils MappingUtils
+     * @return OpenRoadmInterfaces instance
+     */
+    private OpenRoadmInterfaces initOpenRoadmInterfaces(MappingUtils mappingUtils) {
+        OpenRoadmInterfacesImpl121 openRoadmInterfacesImpl121 = new OpenRoadmInterfacesImpl121(
+                deviceTransactionManager);
+        OpenRoadmInterfacesImpl221 openRoadmInterfacesImpl221 = new OpenRoadmInterfacesImpl221(
+                deviceTransactionManager);
+        OpenRoadmInterfacesImpl710 openRoadmInterfacesImpl710 = new OpenRoadmInterfacesImpl710(
+            deviceTransactionManager);
+        return new OpenRoadmInterfacesImpl(deviceTransactionManager, mappingUtils, openRoadmInterfacesImpl121,
+                openRoadmInterfacesImpl221, openRoadmInterfacesImpl710);
+    }
+
+    /**
+     * Init CrossConnect.
+     *
+     * @param mappingUtils MappingUtils
+     * @return CrossConnect instance
+     */
+    private CrossConnect initCrossConnect(MappingUtils mappingUtils) {
+        CrossConnectImpl121 crossConnectImpl121 = new CrossConnectImpl121(deviceTransactionManager);
+        CrossConnectImpl221 crossConnectImpl221 = new CrossConnectImpl221(deviceTransactionManager);
+        return new CrossConnectImpl(deviceTransactionManager, mappingUtils, crossConnectImpl121, crossConnectImpl221);
+    }
 }