Reorganization of devicemanager directory structure

Organized into core, onap and o-ran-sc directories

Issue-ID: CCSDK-3242
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>
Change-Id: I3c23710f990a2d96ba01104c97315fc8c6b1921b
Signed-off-by: Ravi Pendurty <ravi.pendurty@highstreet-technologies.com>
Signed-off-by: Michael DÜrre <michael.duerre@highstreet-technologies.com>

16 files changed, 1629 insertions, 0 deletions

diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/DeviceManagerOpenroadmImpl.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/DeviceManagerOpenroadmImpl.java
new file mode 100644
index 000000000..e522f4bd7
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/DeviceManagerOpenroadmImpl.java
@@ -0,0 +1,103 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.factory.FactoryRegistration;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.NetconfNetworkElementService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Class to initialize the OpenRoadm Device Manager
+ **/
+public class DeviceManagerOpenroadmImpl implements AutoCloseable {
+
+    // variables
+    private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerOpenroadmImpl.class);
+    private static final String APPLICATION_NAME = "DeviceManagerOpenRoadm";
+    @SuppressWarnings("unused")
+    private static final String CONFIGURATIONFILE = "etc/devicemanager-opeenroadm.properties";
+    private NetconfNetworkElementService netconfNetworkElementService;
+    private HtDatabaseClient htDatabaseClient;
+    private Boolean devicemanagerInitializationOk = false;
+    private FactoryRegistration<OpenroadmNetworkElementFactory> resOpenRoadm;
+    // end of variables
+
+    // Blueprint begin
+    // constructors
+    public DeviceManagerOpenroadmImpl() {
+        LOG.info("Creating provider for {}", APPLICATION_NAME);
+        resOpenRoadm = null;
+    }
+    // end of constructors
+
+    // public methods
+    public void setNetconfNetworkElementService(NetconfNetworkElementService netconfNetworkElementService) {
+        this.netconfNetworkElementService = netconfNetworkElementService;
+    }
+
+    public void init() throws Exception {
+
+        LOG.info("Session Initiated start {}", APPLICATION_NAME);
+
+        resOpenRoadm = netconfNetworkElementService.registerBindingNetworkElementFactory(new OpenroadmNetworkElementFactory());
+
+
+        netconfNetworkElementService.writeToEventLog(APPLICATION_NAME, "startup", "done");
+        this.devicemanagerInitializationOk = true;
+
+        LOG.info("Session Initiated end. Initialization done {}", devicemanagerInitializationOk);
+    }
+    // Blueprint end
+
+    @Override
+    public void close() throws Exception {
+        LOG.info("closing ...");
+        close(htDatabaseClient);
+        close(resOpenRoadm);
+        LOG.info("closing done");
+    }
+    // end of public methods
+
+    // private methods
+    /**
+     * Used to close all Services, that should support AutoCloseable Pattern
+     *
+     * @param toClose
+     * @throws Exception
+     */
+    private void close(AutoCloseable... toCloseList) {
+        for (AutoCloseable element : toCloseList) {
+            if (element != null) {
+                try {
+                    element.close();
+                } catch (Exception e) {
+                    LOG.warn("Fail during close: ", e);
+                }
+            }
+        }
+    }
+    // end of private methods
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/InitialDeviceAlarmReader.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/InitialDeviceAlarmReader.java
new file mode 100644
index 000000000..6c8837327
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/InitialDeviceAlarmReader.java
@@ -0,0 +1,156 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.Collection;
+import java.util.List;
+import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.common.YangHelper;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.FaultService;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.types.FaultData;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev191129.ActiveAlarmList;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev191129.Severity;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev191129.active.alarm.list.ActiveAlarms;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Faultlog;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.SeverityType;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Class to read the initial alarms at the time of device registration
+ *
+ **/
+
+public class InitialDeviceAlarmReader {
+    // variables
+    private Integer count = 1;
+    private static final Logger log = LoggerFactory.getLogger(InitialDeviceAlarmReader.class);
+    private final NetconfBindingAccessor netConfAccesor;
+    private final @NonNull FaultService faultEventListener;
+    private final DataProvider dataProvider;
+    // end of variables
+
+    // constructors
+    public InitialDeviceAlarmReader(NetconfBindingAccessor accessor, DeviceManagerServiceProvider serviceProvider) {
+        this.netConfAccesor = accessor;
+        this.faultEventListener = serviceProvider.getFaultService();
+        this.dataProvider = serviceProvider.getDataProvider();
+    }
+    // end of constructors
+
+    // protected methods
+    // Mapping the alarm data with the fault data
+    protected FaultData writeFaultData() {
+        FaultData faultData = new FaultData();
+        if (this.getActiveAlarmList(this.netConfAccesor).getActiveAlarms() != null) {
+            Collection<ActiveAlarms> activeAlarms = YangHelper.getCollection(this.getActiveAlarmList(this.netConfAccesor).getActiveAlarms());
+            if (!activeAlarms.isEmpty()) {
+                for (ActiveAlarms activeAlarm : activeAlarms) {
+                    faultData.add(this.netConfAccesor.getNodeId(), this.count, activeAlarm.getRaiseTime(),
+                            activeAlarm.getResource().getDevice().getNodeId().getValue(),
+                            activeAlarm.getProbableCause().getCause().getName(),
+                            checkSeverityValue(activeAlarm.getSeverity()));
+                    count = count + 1;
+                }
+                return faultData;
+            }
+        }
+        return faultData;
+    }
+
+    // Write into the FaultLog
+    protected void writeAlarmLog(FaultData faultData) {
+        if (faultData != null) {
+            List<Faultlog> faultLog = faultData.getProblemList();
+            for (Faultlog fe : faultLog) {
+                this.dataProvider.writeFaultLog(fe);
+            }
+        }
+    }
+
+    // Use the FaultService for Alarm notifications
+    protected void faultService() {
+        this.faultEventListener.initCurrentProblemStatus(this.netConfAccesor.getNodeId(), writeFaultData());
+        writeAlarmLog(writeFaultData());
+    }
+    // Mapping Severity of AlarmNotification to SeverityType of FaultLog
+    protected static SeverityType checkSeverityValue(Severity severity) {
+        SeverityType severityType = null;
+        log.info("Device Severity: {}", severity.getName());
+
+        switch (severity.getName()) {
+            case ("warning"):
+                severityType = SeverityType.Warning;
+                break;
+            case ("major"):
+                severityType = SeverityType.Major;
+                break;
+            case ("minor"):
+                severityType = SeverityType.Minor;
+                break;
+            case ("clear"):
+                severityType = SeverityType.NonAlarmed;
+                break;
+            case ("critical"):
+                severityType = SeverityType.Critical;
+                break;
+            case ("indeterminate"):
+                severityType = SeverityType.Critical;
+                break;
+            default:
+                severityType = SeverityType.Critical;
+                break;
+
+        }
+        return severityType;
+
+    }
+    // end of protected methods
+
+    // private methods
+
+    // Read Alarm Data
+    private ActiveAlarmList getActiveAlarmList(NetconfBindingAccessor accessor) {
+        final Class<ActiveAlarmList> classAlarm = ActiveAlarmList.class;
+        log.info("Get Alarm data for element {}", accessor.getNodeId().getValue());
+        InstanceIdentifier<ActiveAlarmList> alarmDataIid = InstanceIdentifier.builder(classAlarm).build();
+
+        ActiveAlarmList alarmData = accessor.getTransactionUtils().readData(accessor.getDataBroker(),
+                LogicalDatastoreType.OPERATIONAL, alarmDataIid);
+
+        log.info("AlarmData {}", alarmData);
+        return alarmData;
+    }
+
+
+    // end of private methods
+
+
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmChangeNotificationListener.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmChangeNotificationListener.java
new file mode 100644
index 000000000..3af6d7aca
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmChangeNotificationListener.java
@@ -0,0 +1,130 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.List;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.NetconfTimeStampImpl;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.WebsocketManagerService;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.IetfNetconfNotificationsListener;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfConfigChange;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfConfirmedCommit;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfSessionEnd;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfSessionStart;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.netconf.config.change.Edit;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EventlogBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Listener for change notifications
+ *
+ **/
+public class OpenroadmChangeNotificationListener implements IetfNetconfNotificationsListener {
+
+    // variables
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmChangeNotificationListener.class);
+    private final NetconfAccessor netconfAccessor;
+    private final DataProvider databaseService;
+    private final WebsocketManagerService notificationServiceService;
+    // end of variables
+
+    // constructors
+    public OpenroadmChangeNotificationListener(NetconfAccessor netconfAccessor, DataProvider databaseService,
+            WebsocketManagerService notificationService) {
+        this.netconfAccessor = netconfAccessor;
+        this.databaseService = databaseService;
+        this.notificationServiceService = notificationService;
+    }
+    // end of constructors
+
+    // public methods
+    @Override
+    public void onNetconfConfirmedCommit(NetconfConfirmedCommit notification) {
+        log.info("onNetconfConfirmedCommit {} ", notification);
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                NetconfConfirmedCommit.QNAME, NetconfTimeStampImpl.getConverter().getTimeStamp());
+    }
+
+    @Override
+    public void onNetconfSessionStart(NetconfSessionStart notification) {
+        log.info("onNetconfSessionStart {} ", notification);
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                NetconfSessionStart.QNAME, NetconfTimeStampImpl.getConverter().getTimeStamp());
+
+    }
+
+    @Override
+    public void onNetconfSessionEnd(NetconfSessionEnd notification) {
+        log.info("onNetconfSessionEnd {}", notification);
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                NetconfSessionEnd.QNAME, NetconfTimeStampImpl.getConverter().getTimeStamp());
+    }
+
+    @Override
+    public void onNetconfCapabilityChange(NetconfCapabilityChange notification) {
+        log.info("onNetconfCapabilityChange {}", notification);
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                NetconfCapabilityChange.QNAME, NetconfTimeStampImpl.getConverter().getTimeStamp());
+    }
+
+    @Override
+    public void onNetconfConfigChange(NetconfConfigChange notification) {
+        log.info("onNetconfConfigChange (1) {}", notification);
+        StringBuffer sb = new StringBuffer();
+        List<Edit> editList = notification.nonnullEdit();
+        for (Edit edit : editList) {
+            if (sb.length() > 0) {
+                sb.append(", ");
+            }
+            sb.append(edit);
+
+            EventlogBuilder eventlogBuilder = new EventlogBuilder();
+
+            InstanceIdentifier<?> target = edit.getTarget();
+            if (target != null) {
+                eventlogBuilder.setObjectId(target.toString());
+                log.info("TARGET: {} {}", target.getClass(), target.getTargetType());
+                for (PathArgument pa : target.getPathArguments()) {
+                    log.info("PathArgument {}", pa);
+                }
+            }
+            eventlogBuilder.setNodeId(netconfAccessor.getNodeId().getValue());
+            eventlogBuilder.setNewValue(String.valueOf(edit.getOperation()));
+            databaseService.writeEventLog(eventlogBuilder.build());
+        }
+        log.info("onNetconfConfigChange (2) {}", sb);
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                NetconfConfigChange.QNAME, NetconfTimeStampImpl.getConverter().getTimeStamp());
+
+    }
+
+    // end of public methods
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmDeviceChangeNotificationListener.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmDeviceChangeNotificationListener.java
new file mode 100644
index 000000000..daea1adb3
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmDeviceChangeNotificationListener.java
@@ -0,0 +1,129 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.List;
+import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.NetconfTimeStampImpl;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.WebsocketManagerService;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.ChangeNotification;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.CreateTechInfoNotification;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.OrgOpenroadmDeviceListener;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.OtdrScanResult;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.change.notification.Edit;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EventlogBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.SourceType;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Listener for Open roadm device specific change notifications
+ **/
+
+public class OpenroadmDeviceChangeNotificationListener implements OrgOpenroadmDeviceListener {
+    // variables
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmDeviceChangeNotificationListener.class);
+    private Integer counter = 1;
+    private final NetconfAccessor netconfAccessor;
+    private final DataProvider databaseProvider;
+    private final WebsocketManagerService notificationServiceService;
+    private static final NetconfTimeStamp ncTimeConverter = NetconfTimeStampImpl.getConverter();
+    // end of variables
+
+    // constructors
+    public OpenroadmDeviceChangeNotificationListener(NetconfAccessor netconfAccessor, DataProvider databaseService,
+            WebsocketManagerService faultService) {
+        this.netconfAccessor = netconfAccessor;
+        this.databaseProvider = databaseService;
+        this.notificationServiceService = faultService;
+    }
+    // end of constructors
+
+    // public methods
+    @Override
+    public void onOtdrScanResult(OtdrScanResult notification) {
+        // TODO Auto-generated method stub
+
+    }
+
+    @Override
+    public void onChangeNotification(ChangeNotification notification) {
+        log.info("onDeviceConfigChange(1){}", notification);
+        StringBuffer sb = new StringBuffer();
+
+        @NonNull
+        List<Edit> editList = notification.nonnullEdit();
+        for (Edit edit : editList) {
+            if (sb.length() > 0) {
+                sb.append(", ");
+            }
+            sb.append(edit);
+            EventlogBuilder eventlogBuilder = new EventlogBuilder();
+            InstanceIdentifier<?> target = edit.getTarget();
+            if (target != null) {
+                eventlogBuilder.setObjectId(target.getPathArguments().toString());
+                log.info("TARGET: {} {}", target.getClass(), target.getTargetType());
+                for (PathArgument pa : target.getPathArguments()) {
+                    log.info("PathArgument {}", pa);
+                }
+                eventlogBuilder.setAttributeName(target.getTargetType().getName());
+            }
+            eventlogBuilder.setNodeId(netconfAccessor.getNodeId().getValue());
+            eventlogBuilder.setNewValue(String.valueOf(edit.getOperation()));
+            eventlogBuilder.setTimestamp(notification.getChangeTime());
+            eventlogBuilder.setCounter(counter);
+            eventlogBuilder.setSourceType(SourceType.Netconf);
+            databaseProvider.writeEventLog(eventlogBuilder.build());
+            log.info("onDeviceConfigChange (2) {}", sb);
+            counter++;
+        }
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                ChangeNotification.QNAME, notification.getChangeTime());
+    }
+
+    @Override
+    public void onCreateTechInfoNotification(CreateTechInfoNotification notification) {
+
+        DateAndTime now = NetconfTimeStampImpl.getConverter().getTimeStamp();
+        log.info("onCreateTechInfoNotification(1){}", notification);
+        EventlogBuilder eventlogBuilder = new EventlogBuilder();
+        eventlogBuilder.setId(notification.getShelfId()).setAttributeName(notification.getShelfId())
+                .setObjectId(notification.getShelfId()).setNodeId(this.netconfAccessor.getNodeId().getValue())
+                .setCounter(counter).setNewValue(notification.getStatus().getName()).setSourceType(SourceType.Netconf)
+                .setTimestamp(now);
+        databaseProvider.writeEventLog(eventlogBuilder.build());
+        this.notificationServiceService.sendNotification(notification, this.netconfAccessor.getNodeId().getValue(),
+                CreateTechInfoNotification.QNAME, now);
+        log.info("Create-techInfo Notification written ");
+        counter++;
+    }
+    // end of public methods
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmFaultNotificationListener.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmFaultNotificationListener.java
new file mode 100644
index 000000000..10d0a5640
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmFaultNotificationListener.java
@@ -0,0 +1,78 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+
+import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.FaultService;
+import org.onap.ccsdk.features.sdnr.wt.websocketmanager.model.WebsocketManagerService;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev191129.AlarmNotification;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.alarm.rev191129.OrgOpenroadmAlarmListener;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.FaultlogBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.FaultlogEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.SourceType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Listener for Open roadm device specific alarm notifications
+ **/
+public class OpenroadmFaultNotificationListener implements OrgOpenroadmAlarmListener {
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmFaultNotificationListener.class);
+
+    private final @NonNull FaultService faultEventListener;
+    private @NonNull WebsocketManagerService notificationService;
+    private Integer count = 1;
+
+
+    public OpenroadmFaultNotificationListener(DeviceManagerServiceProvider serviceProvider) {
+        this.faultEventListener = serviceProvider.getFaultService();
+        this.notificationService = serviceProvider.getWebsocketService();
+
+    }
+
+    @Override
+    public void onAlarmNotification(AlarmNotification notification) {
+
+
+        log.info("AlarmNotification {} \t {}", notification.getId(), notification.getAdditionalDetail());
+        final String nodeId = notification.getResource().getDevice().getNodeId().getValue();
+        FaultlogEntity faultAlarm = new FaultlogBuilder().setObjectId(notification.getCircuitId())
+                .setProblem(notification.getProbableCause().getCause().getName()).setSourceType(SourceType.Netconf)
+                .setTimestamp(notification.getRaiseTime()).setId(notification.getId()).setNodeId(nodeId)
+                .setSeverity(InitialDeviceAlarmReader.checkSeverityValue(notification.getSeverity())).setCounter(count)
+                .build();
+
+        this.faultEventListener.faultNotification(faultAlarm);
+        this.notificationService.sendNotification(notification, nodeId, AlarmNotification.QNAME,
+                notification.getRaiseTime());
+        count++;
+        log.info("Notification is written into the database {}", faultAlarm.getObjectId());
+
+    }
+
+
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmInventoryInput.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmInventoryInput.java
new file mode 100644
index 000000000..abaec72ab
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmInventoryInput.java
@@ -0,0 +1,149 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.OrgOpenroadmDevice;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.circuit.packs.CircuitPacks;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.interfaces.grp.Interface;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.org.openroadm.device.Xponder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.shelves.Shelves;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Inventory;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.InventoryBuilder;
+import org.opendaylight.yangtools.yang.common.Uint32;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Reading the inventory data of an open roadm device
+ *
+ **/
+public class OpenroadmInventoryInput {
+    // variable
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmInventoryInput.class);
+    private OrgOpenroadmDevice openRoadmDevice;
+    private final NetconfAccessor accessor;
+    // end of variables
+
+    // constructors
+    public OpenroadmInventoryInput(NetconfAccessor netconfAccessor, OrgOpenroadmDevice roadmDevice) {
+        this.openRoadmDevice = roadmDevice;
+        this.accessor = netconfAccessor;
+    }
+    // end of constructors
+
+    // public methods
+    public Inventory getInventoryData(Uint32 treeLevel) {
+        InventoryBuilder inventoryBuilder = new InventoryBuilder();
+        log.info("Info for device {}", this.openRoadmDevice.getInfo().getNodeId().getValue());
+        inventoryBuilder.setNodeId(this.accessor.getNodeId().getValue())
+                .setUuid(this.openRoadmDevice.getInfo().getNodeId() == null ? "N/A"
+                        : this.openRoadmDevice.getInfo().getNodeId().getValue())
+                .setDate(this.openRoadmDevice.getInfo().getCurrentDatetime().getValue())
+                .setId(this.openRoadmDevice.getInfo().getNodeId().getValue())
+                .setManufacturerIdentifier(this.openRoadmDevice.getInfo().getVendor())
+                .setModelIdentifier(this.openRoadmDevice.getInfo().getModel())
+                .setSerial(this.openRoadmDevice.getInfo().getSerialId()).setTreeLevel(treeLevel)
+                .setVersion(this.openRoadmDevice.getInfo().getOpenroadmVersion().getName())
+                .setDescription("org-openroadm-device").setParentUuid("None")
+                .setTypeName(this.openRoadmDevice.getInfo().getNodeType().getName()).setPartTypeId("device");
+        log.info("Inventory data written for device {}", this.openRoadmDevice.getInfo().getNodeId().getValue());
+        return inventoryBuilder.build();
+    }
+
+    public Inventory getShelvesInventory(Shelves shelf, Uint32 treeLevel) {
+        InventoryBuilder inventoryBuilder = new InventoryBuilder();
+        inventoryBuilder.setNodeId(this.accessor.getNodeId().getValue()).setId(shelf.getShelfName())
+                .setDescription((shelf.getUserDescription() == null)
+                        ? ("Position: " + shelf.getShelfPosition() + "\nState: " + shelf.getOperationalState())
+                        : (shelf.getUserDescription()) + "\nPosition: " + shelf.getShelfPosition() + "\nState: "
+                                + shelf.getOperationalState())
+                .setSerial(shelf.getSerialId()).setUuid(shelf.getShelfName())
+                .setParentUuid(this.openRoadmDevice.getInfo().getNodeId().getValue()).setTreeLevel(treeLevel)
+                .setTypeName(shelf.getShelfType()).setPartTypeId(shelf.getClei())
+                .setManufacturerIdentifier(shelf.getVendor()).setModelIdentifier(shelf.getModel())
+                .setVersion(shelf.getHardwareVersion()).setDate(shelf.getManufactureDate().getValue());
+        log.info("Inventory data written for Shelf {}", shelf.getShelfName());
+        return inventoryBuilder.build();
+    }
+
+    public Inventory getInterfacesInventory(Interface deviceInterface, Uint32 treeLevel) {
+        InventoryBuilder inventoryBuilder = new InventoryBuilder();
+        inventoryBuilder.setNodeId(this.accessor.getNodeId().getValue()).setId(deviceInterface.getName())
+                .setDescription((deviceInterface.getDescription() == null) ? "N/A" : deviceInterface.getDescription())
+                .setUuid(deviceInterface.getName()).setSerial(deviceInterface.getName())
+                .setParentUuid((deviceInterface.getSupportingCircuitPackName() != null)
+                        ? deviceInterface.getSupportingCircuitPackName()
+                        : ((deviceInterface.getSupportingInterface() != null) ? deviceInterface.getSupportingInterface()
+                                : this.openRoadmDevice.getInfo().getNodeId().getValue()))
+                .setTreeLevel(treeLevel)
+                .setTypeName((deviceInterface.getType() == null) ? "Interface"
+                        : deviceInterface.getType().getName().substring(69,
+                                deviceInterface.getType().getName().length()))
+                .setPartTypeId("Interface").setManufacturerIdentifier(this.openRoadmDevice.getInfo().getVendor())
+                .setModelIdentifier(this.openRoadmDevice.getInfo().getModel()).setVersion("N/A")
+                .setDate(this.openRoadmDevice.getInfo().getCurrentDatetime().getValue());
+        log.info("Inventory data written for Interface {}", deviceInterface.getName());
+
+        return inventoryBuilder.build();
+    }
+
+    public Inventory getCircuitPackInventory(CircuitPacks circuitPack, Uint32 treeLevel) {
+        InventoryBuilder inventoryBuilder = new InventoryBuilder();
+        inventoryBuilder.setNodeId(this.accessor.getNodeId().getValue()).setUuid(circuitPack.getCircuitPackName())
+                .setDate((circuitPack.getManufactureDate() == null) ? "N/A"
+                        : circuitPack.getManufactureDate().getValue().substring(0, 19))
+                .setId(circuitPack.getCircuitPackName()).setManufacturerIdentifier(circuitPack.getVendor())
+                .setModelIdentifier(circuitPack.getModel()).setSerial(circuitPack.getSerialId()).setTreeLevel(treeLevel)
+                .setVersion(circuitPack.getHardwareVersion())
+                .setDescription("ProductCode: " + circuitPack.getProductCode() + "  " + "Mode: "
+                        + circuitPack.getCircuitPackMode())
+                .setTypeName((circuitPack.getType() == null) ? circuitPack.getCircuitPackType() : circuitPack.getType())
+                .setPartTypeId((circuitPack.getClei() == null) ? circuitPack.getType() : circuitPack.getClei())
+                .setParentUuid((circuitPack.getParentCircuitPack() != null)
+                        ? circuitPack.getParentCircuitPack().getCircuitPackName()
+                        : ((circuitPack.getShelf() != null) ? circuitPack.getShelf()
+                                : this.openRoadmDevice.getInfo().getNodeId().getValue()));
+        log.info("Inventory data written for CircuitPack {}", circuitPack.getCircuitPackName());
+
+        return inventoryBuilder.build();
+    }
+
+    public Inventory getXponderInventory(Xponder xpdr, Uint32 treeLevel) {
+        InventoryBuilder inventoryBuilder = new InventoryBuilder();
+        inventoryBuilder.setNodeId(this.accessor.getNodeId().getValue()).setId(xpdr.getXpdrNumber().toString())
+                .setDescription("Xponder\nLifecycleState: " + xpdr.getLifecycleState().getName())
+                .setUuid(xpdr.getXpdrNumber().toString()).setSerial(xpdr.getXpdrNumber().toString())
+                .setParentUuid(this.openRoadmDevice.getInfo().getNodeId().getValue()).setTreeLevel(treeLevel)
+                .setTypeName(xpdr.getXpdrType().getName()).setPartTypeId(xpdr.getXpdrType().getName())
+                .setManufacturerIdentifier(this.openRoadmDevice.getInfo().getVendor())
+                .setModelIdentifier(this.openRoadmDevice.getInfo().getModel())
+                .setVersion(this.openRoadmDevice.getInfo().getOpenroadmVersion().getName())
+                .setDate(this.openRoadmDevice.getInfo().getCurrentDatetime().getValue());
+        log.info("Inventory data written for Xponder{}", xpdr.getXpdrNumber());
+
+        return inventoryBuilder.build();
+    }
+    // end of public methods
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElement.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElement.java
new file mode 100644
index 000000000..02f8547ae
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElement.java
@@ -0,0 +1,323 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Hashtable;
+import java.util.List;
+import org.eclipse.jdt.annotation.NonNull;
+import org.onap.ccsdk.features.sdnr.wt.common.YangHelper;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.NetconfTimeStamp;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.NetconfTimeStampImpl;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.OrgOpenroadmDevice;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.circuit.packs.CircuitPacks;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.interfaces.grp.Interface;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.org.openroadm.device.Xponder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.shelf.Slots;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.shelves.Shelves;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.xponder.XpdrPort;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.EventlogBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.Inventory;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.SourceType;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.NotificationListener;
+import org.opendaylight.yangtools.yang.common.Uint32;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Creating the openroadm device as an optical network element and writing inventory, fault, pm data to elastic
+ *         search db
+ *
+ **/
+public class OpenroadmNetworkElement extends OpenroadmNetworkElementBase {
+
+    // variables
+    private final long equipmentLevel = 1;
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmNetworkElement.class);
+    private Hashtable<String, Long> circuitPacksRecord;
+    private Hashtable<String, Long> shelfProvisionedcircuitPacks;
+    private ListenerRegistration<NotificationListener> openRdmListenerRegistrationResult;
+    private @NonNull final OpenroadmChangeNotificationListener openRdmListener;
+    private ListenerRegistration<NotificationListener> opnRdmFaultListenerRegistrationResult;
+    private @NonNull OpenroadmFaultNotificationListener opnRdmFaultListener;
+    private ListenerRegistration<NotificationListener> opnRdmDeviceListenerRegistrationResult;
+    private OpenroadmDeviceChangeNotificationListener opnRdmDeviceListener;
+    private OpenroadmInventoryInput opnRdmInventoryInput;
+    private PmDataBuilderOpenRoadm openRoadmPmData;
+    private InitialDeviceAlarmReader initialAlarmReader;
+
+    private static final NetconfTimeStamp ncTimeConverter = NetconfTimeStampImpl.getConverter();
+    private int counter = 1;
+    // end of variables
+
+    // constructors
+    public OpenroadmNetworkElement(NetconfBindingAccessor netconfAccess, DeviceManagerServiceProvider serviceProvider) {
+
+        super(netconfAccess, serviceProvider);
+
+        log.info("Create {}", OpenroadmNetworkElement.class.getSimpleName());
+        this.openRdmListenerRegistrationResult = null;
+        this.openRdmListener = new OpenroadmChangeNotificationListener(netconfAccessor, databaseService,
+                serviceProvider.getWebsocketService());
+        this.opnRdmFaultListenerRegistrationResult = null;
+        this.opnRdmFaultListener = new OpenroadmFaultNotificationListener(serviceProvider);
+        this.opnRdmDeviceListenerRegistrationResult = null;
+        this.opnRdmDeviceListener = new OpenroadmDeviceChangeNotificationListener(netconfAccessor, databaseService,
+                serviceProvider.getWebsocketService());
+        this.circuitPacksRecord = new Hashtable<>();
+        this.shelfProvisionedcircuitPacks = new Hashtable<>();
+        this.openRoadmPmData = new PmDataBuilderOpenRoadm(this.netconfAccessor);
+        this.initialAlarmReader = new InitialDeviceAlarmReader(this.netconfAccessor, serviceProvider);
+        log.info("NodeId {}", this.netconfAccessor.getNodeId().getValue());
+
+
+    }
+    // end of constructors
+
+    // public methods
+    public void initialReadFromNetworkElement() {
+
+        OrgOpenroadmDevice device = readDevice(this.netconfAccessor);
+        this.opnRdmInventoryInput = new OpenroadmInventoryInput(this.netconfAccessor, device);
+        log.info("openroadmMapper details{}", this.opnRdmInventoryInput.getClass().getName());
+        List<Inventory> inventoryList = new ArrayList<>();
+        inventoryList.add(this.opnRdmInventoryInput.getInventoryData(Uint32.valueOf(equipmentLevel)));
+        readShelvesData(inventoryList, device);
+        readXpndrData(inventoryList, device);
+        readCircuitPacketData(inventoryList, device);
+        readInterfaceData(inventoryList, device);
+        this.databaseService.writeInventory(this.netconfAccessor.getNodeId().getValue(), inventoryList);
+        // Writing initial alarms at the time of device registration
+        initialAlarmReader.faultService();
+        //        Writing historical PM data at the time of device registration
+        List<PmdataEntity> pmDataEntity = new ArrayList<>();
+        pmDataEntity = this.openRoadmPmData.buildPmDataEntity(this.openRoadmPmData.getPmData(this.netconfAccessor));
+        if (!pmDataEntity.isEmpty()) {
+            this.databaseService.doWritePerformanceData(pmDataEntity);
+            log.info("PmDatEntity is written with size {}", pmDataEntity.size());
+            for (PmdataEntity ent : pmDataEntity) {
+                log.info("GetNode: {}, granPeriod: {}", ent.getNodeName(), ent.getGranularityPeriod().getName());
+            }
+        } else {
+            log.info("PmDatEntity is empty");
+        }
+    }
+
+
+    @Override
+    public void register() {
+        initialReadFromNetworkElement();
+
+        this.openRdmListenerRegistrationResult = netconfAccessor.doRegisterNotificationListener(openRdmListener);
+        this.opnRdmFaultListenerRegistrationResult =
+                netconfAccessor.doRegisterNotificationListener(opnRdmFaultListener);
+        this.opnRdmDeviceListenerRegistrationResult =
+                netconfAccessor.doRegisterNotificationListener(opnRdmDeviceListener);
+        // Register netconf stream
+        netconfAccessor.registerNotificationsStream(NetconfAccessor.DefaultNotificationsStream);
+    }
+
+    @Override
+    public void deregister() {
+        if (openRdmListenerRegistrationResult != null) {
+            this.openRdmListenerRegistrationResult.close();
+        }
+        if (opnRdmFaultListenerRegistrationResult != null) {
+            this.opnRdmFaultListenerRegistrationResult.close();
+        }
+        if (opnRdmDeviceListenerRegistrationResult != null) {
+            this.opnRdmDeviceListenerRegistrationResult.close();
+        }
+    }
+
+    // end of public methods
+
+    // private methods
+    private void readShelvesData(List<Inventory> inventoryList, OrgOpenroadmDevice device) {
+        Collection<Shelves> shelves = YangHelper.getCollection(device.getShelves());
+        if (shelves != null) {
+            for (Shelves shelf : shelves) {
+                log.info(
+                        "Shelf Name: {}, \n Serial Id:{}, \n Product Code;{}, \n Position:{}, \n EquipmetState: {}, \n Hardware version: {}"
+                                + "\n ShelfType:{}, \n Vendor: {}, \n LifecycleState: {} ",
+                        shelf.getShelfName(), shelf.getSerialId(), shelf.getProductCode(), shelf.getShelfPosition(),
+                        shelf.getEquipmentState(), shelf.getHardwareVersion(), shelf.getShelfType(), shelf.getVendor(),
+                        shelf.getLifecycleState());
+                inventoryList
+                        .add(this.opnRdmInventoryInput.getShelvesInventory(shelf, Uint32.valueOf(equipmentLevel + 1)));
+                Collection<Slots> slotList = YangHelper.getCollection(shelf.getSlots());
+                if (slotList != null) {
+                    for (Slots slot : slotList) {
+                        if (slot.getProvisionedCircuitPack() != null) {
+                            this.shelfProvisionedcircuitPacks.put(slot.getProvisionedCircuitPack(), equipmentLevel + 2);
+                        }
+                        log.info("Slots for the shelf: {}", shelf.getShelfName());
+                        log.info("\n Slot Name: {}, \n Status: {}, \n Slot label: {} ", slot.getSlotName(),
+                                slot.getSlotStatus(), slot.getLabel());
+                    }
+                }
+            }
+            log.info("size of shelfProvisionedcircuitPacks: {} ", shelfProvisionedcircuitPacks.size());
+        }
+
+    }
+
+    private void readXpndrData(List<Inventory> inventoryList, OrgOpenroadmDevice device) {
+        Collection<Xponder> xponderList = YangHelper.getCollection(device.getXponder());
+
+        if (xponderList != null) {
+            for (Xponder xponder : xponderList) {
+
+                inventoryList.add(
+                        this.opnRdmInventoryInput.getXponderInventory(xponder, Uint32.valueOf(equipmentLevel + 1)));
+                log.info("Xponders: No.: {} , \n Port: {} ,\n Type: {}", xponder.getXpdrNumber(), xponder.getXpdrPort(),
+                        xponder.getXpdrType());
+                Collection<XpdrPort> xpdrportlist = YangHelper.getCollection(xponder.getXpdrPort());
+                if (xpdrportlist != null) {
+                    for (XpdrPort xpdrport : xpdrportlist)
+                        if (xpdrport.getCircuitPackName() != null) {
+                            this.shelfProvisionedcircuitPacks.put(xpdrport.getCircuitPackName(), equipmentLevel + 2);
+                            log.info("Size of dict{}", this.shelfProvisionedcircuitPacks.size());
+                        }
+                }
+
+            }
+        }
+    }
+
+    private void readCircuitPacketData(List<Inventory> inventoryList, OrgOpenroadmDevice device) {
+        Collection<CircuitPacks> circuitpackCollection = YangHelper.getCollection(device.getCircuitPacks());
+        List<String> cpNameList = new ArrayList<>();
+
+        if (circuitpackCollection != null) {
+            //            collect all circuit pack names. Required to check for invalid parents later on
+            for (CircuitPacks cp : circuitpackCollection) {
+                cpNameList.add(cp.getCircuitPackName());
+            }
+
+            for (CircuitPacks cp : circuitpackCollection) {
+                log.info("CP Name:{}", cp.getCircuitPackName());
+
+                if (cp.getParentCircuitPack() == null
+                        && !this.shelfProvisionedcircuitPacks.containsKey(cp.getCircuitPackName())) {
+                    log.info("cp has no parent and no shelf");
+                    this.circuitPacksRecord.put(cp.getCircuitPackName(), (equipmentLevel + 1));
+                    inventoryList.add(
+                            this.opnRdmInventoryInput.getCircuitPackInventory(cp, Uint32.valueOf(equipmentLevel + 1)));
+                } else {
+                    //                check for missing valid parent circuit name
+                    if (cp.getParentCircuitPack().getCpSlotName() != null
+                            && cp.getParentCircuitPack().getCircuitPackName() == null) {
+
+                        log.info("Cp {} has slotname of the parent circuit pack  but no parent circuit pack name",
+                                cp.getCircuitPackName());
+                        this.circuitPacksRecord.put(cp.getCircuitPackName(), (equipmentLevel + 3));
+                        inventoryList.add(this.opnRdmInventoryInput.getCircuitPackInventory(cp,
+                                Uint32.valueOf(equipmentLevel + 3)));
+                        databaseService.writeEventLog(writeIncorrectParentLog(cp.getCircuitPackName(), counter)
+                                .setObjectId(device.getInfo().getNodeId().getValue())
+                                .setId(cp.getParentCircuitPack().getCpSlotName())
+                                .setNewValue("Missing parent circuit pack name").build());
+                    } else if (cp.getParentCircuitPack().getCircuitPackName() != null
+                            && this.shelfProvisionedcircuitPacks
+                                    .containsKey(cp.getParentCircuitPack().getCircuitPackName())) {
+                        log.info("Cp {} has parent circuit pack and shelf", cp.getCircuitPackName());
+                        this.circuitPacksRecord.put(cp.getCircuitPackName(), (equipmentLevel + 3));
+                        inventoryList.add(this.opnRdmInventoryInput.getCircuitPackInventory(cp,
+                                Uint32.valueOf(equipmentLevel + 3)));
+                    } else {
+                        //                      check for incorrect hierarchy
+                        if (cp.getParentCircuitPack().getCircuitPackName() != null
+                                && !cpNameList.contains(cp.getParentCircuitPack().getCircuitPackName())) {
+                            databaseService.writeEventLog(writeIncorrectParentLog(cp.getCircuitPackName(), counter)
+                                    .setObjectId(device.getInfo().getNodeId().getValue())
+                                    .setId(cp.getParentCircuitPack().getCpSlotName()).build());
+                        }
+
+                        log.info("Cp has parent circuit pack but no shelf or a shelf but no parent circuit pack");
+                        this.circuitPacksRecord.put(cp.getCircuitPackName(), (equipmentLevel + 2));
+                        inventoryList.add(this.opnRdmInventoryInput.getCircuitPackInventory(cp,
+                                Uint32.valueOf(equipmentLevel + 2)));
+                    }
+
+                }
+            }
+
+        }
+    }
+
+    private void readInterfaceData(List<Inventory> inventoryList, OrgOpenroadmDevice device) {
+        Collection<Interface> interfaceList = YangHelper.getCollection(device.getInterface());
+        if (interfaceList != null) {
+            for (Interface deviceInterface : interfaceList) {
+                log.info("\n InterfaceName: {}", deviceInterface.getName());
+                log.info("Supporting CP {}", this.circuitPacksRecord.size());
+                for (String s : this.circuitPacksRecord.keySet()) {
+                    log.info("{} value {}", s, this.circuitPacksRecord.get(s));
+                }
+                log.info("Interface {} and their supporting CP {}", deviceInterface.getName(),
+                        deviceInterface.getSupportingCircuitPackName());
+                if (deviceInterface.getSupportingCircuitPackName() != null) {
+                    if (this.circuitPacksRecord.containsKey(deviceInterface.getSupportingCircuitPackName())) {
+                        inventoryList.add(this.opnRdmInventoryInput.getInterfacesInventory(deviceInterface,
+                                Uint32.valueOf(
+                                        this.circuitPacksRecord.get(deviceInterface.getSupportingCircuitPackName())
+                                                + 1)));
+                    }
+                } else {
+                    inventoryList.add(this.opnRdmInventoryInput.getInterfacesInventory(deviceInterface,
+                            Uint32.valueOf(equipmentLevel + 1)));
+                }
+            }
+        }
+    }
+
+    private OrgOpenroadmDevice readDevice(NetconfBindingAccessor accessor) {
+        final Class<OrgOpenroadmDevice> openRoadmDev = OrgOpenroadmDevice.class;
+        InstanceIdentifier<OrgOpenroadmDevice> deviceId = InstanceIdentifier.builder(openRoadmDev).build();
+        return accessor.getTransactionUtils().readData(accessor.getDataBroker(), LogicalDatastoreType.OPERATIONAL,
+                deviceId);
+    }
+
+    private EventlogBuilder writeIncorrectParentLog(String attributeName, Integer counter) {
+        EventlogBuilder eventlogBuilder = new EventlogBuilder();
+        eventlogBuilder.setAttributeName(attributeName).setCounter(counter)
+                .setNodeId(this.netconfAccessor.getNodeId().getValue()).setSourceType(SourceType.Netconf)
+                .setNewValue("Invalid parent circuit-pack name")
+                .setTimestamp(new DateAndTime(ncTimeConverter.getTimeStamp()));
+
+        return eventlogBuilder;
+
+    }
+    // end of private methods
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementBase.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementBase.java
new file mode 100644
index 000000000..9949056bb
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementBase.java
@@ -0,0 +1,74 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.Optional;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.service.NetworkElement;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.service.NetworkElementService;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.NetworkElementDeviceType;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
+
+public class OpenroadmNetworkElementBase implements NetworkElement {
+
+    protected final NetconfBindingAccessor netconfAccessor;
+    protected final DataProvider databaseService;
+
+    public OpenroadmNetworkElementBase(NetconfBindingAccessor netconfAccess,
+            DeviceManagerServiceProvider serviceProvider) {
+
+        this.netconfAccessor = netconfAccess;
+        this.databaseService = serviceProvider.getDataProvider();
+    }
+
+    @Override
+    public void register() {}
+
+    @Override
+    public void deregister() {}
+
+    @Override
+    public void warmstart() {}
+
+    @Override
+    public NodeId getNodeId() {
+        return netconfAccessor.getNodeId();
+    }
+
+    @Override
+    public NetworkElementDeviceType getDeviceType() {
+        return NetworkElementDeviceType.OROADM;
+    }
+
+    @Override
+    public <L extends NetworkElementService> Optional<L> getService(Class<L> clazz) {
+        return Optional.empty();
+    }
+
+    @Override
+    public Optional<NetconfAccessor> getAcessor() {
+        return Optional.of(netconfAccessor);
+    }
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementFactory.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementFactory.java
new file mode 100644
index 000000000..cc8eaa68e
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/OpenroadmNetworkElementFactory.java
@@ -0,0 +1,71 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.util.Optional;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.factory.NetworkElementFactory;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.ne.service.NetworkElement;
+import org.onap.ccsdk.features.sdnr.wt.devicemanager.service.DeviceManagerServiceProvider;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfAccessor;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev191129.OrgOpenroadmDevice;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Shabnam Sultana
+ *
+ *         Register the openroadm device as an optical network element
+ *
+ **/
+
+public class OpenroadmNetworkElementFactory implements NetworkElementFactory {
+
+    // variables
+    private static final Logger log = LoggerFactory.getLogger(OpenroadmNetworkElementFactory.class);
+    // end of variables
+
+    // public methods
+    @Override
+    public Optional<NetworkElement> create(NetconfAccessor accessor, DeviceManagerServiceProvider serviceProvider) {
+
+        if (accessor.getCapabilites().isSupportingNamespaceAndRevision(OrgOpenroadmDevice.QNAME)) {
+            log.info("Create OpenRoadm device {} ", OpenroadmNetworkElement.class.getName());
+            log.info("Node Id read by Acessor {}:", accessor.getNodeId().getValue());
+            Optional<NetconfBindingAccessor> bindingAccessor = accessor.getNetconfBindingAccessor();
+            if (bindingAccessor.isPresent()) {
+                return Optional.of(new OpenroadmNetworkElement(bindingAccessor.get(), serviceProvider));
+            }
+        } else if (accessor.getCapabilites().isSupportingNamespaceAndRevision("http://org/openroadm/device","2018-10-19")) {
+            log.info("Create OpenRoadm base device {} ", OpenroadmNetworkElementBase.class.getName());
+            log.info("Node Id read by Acessor {}:", accessor.getNodeId().getValue());
+            Optional<NetconfBindingAccessor> bindingAccessor = accessor.getNetconfBindingAccessor();
+            if (bindingAccessor.isPresent()) {
+                return Optional.of(new OpenroadmNetworkElementBase(bindingAccessor.get(), serviceProvider));
+            }
+        } 
+        return Optional.empty();
+    }
+    // end of public methods
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/PmDataBuilderOpenRoadm.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/PmDataBuilderOpenRoadm.java
new file mode 100644
index 000000000..f1fd4471f
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/openroadm/impl/PmDataBuilderOpenRoadm.java
@@ -0,0 +1,290 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.openroadm.impl;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.onap.ccsdk.features.sdnr.wt.common.YangHelper;
+import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.rev191129.HistoricalPmList;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.rev191129.historical.pm.group.HistoricalPm;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.rev191129.historical.pm.list.HistoricalPmEntry;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.rev191129.historical.pm.val.group.Measurement;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev191129.PmDataType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev191129.PmGranularity;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev191129.PmNamesEnum;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.g836.pm.types.rev200413.ErroredSecond;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.g836.pm.types.rev200413.SeverelyErroredSecond;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.openroadm.pm.types.rev200413.PerformanceMeasurementTypeId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.GranularityPeriodType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntity;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.PmdataEntityBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.entity.PerformanceDataBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.MeasurementBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.MeasurementKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.Celsius;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.DB;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.DBm;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.Fahrenheit;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.KHz;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.MW;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.units.rev200413.PerformanceMeasurementUnitId;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author shabnam
+ *
+ *         Reading Openroadm PM data and returning as PmDataEntitiy data
+ */
+public class PmDataBuilderOpenRoadm {
+    // variables
+    private static final Logger log = LoggerFactory.getLogger(PmDataBuilderOpenRoadm.class);
+    private PmdataEntityBuilder pmDataBuilder;
+    private Bundle b = FrameworkUtil.getBundle(this.getClass());
+
+    // end of variables
+    // constructors
+    public PmDataBuilderOpenRoadm(NetconfBindingAccessor accessor) {
+        this.pmDataBuilder = new PmdataEntityBuilder();
+        this.pmDataBuilder.setNodeName(accessor.getNodeId().getValue());
+    }
+
+    // end of constructors
+    // public methods
+    // Read PM data
+    public HistoricalPmList getPmData(NetconfBindingAccessor accessor) {
+        final Class<HistoricalPmList> pmDataClass = HistoricalPmList.class;
+        log.info("Get PM data for element {}", accessor.getNodeId().getValue());
+        InstanceIdentifier<HistoricalPmList> pmDataIid = InstanceIdentifier.builder(pmDataClass).build();
+        return accessor.getTransactionUtils().readData(accessor.getDataBroker(), LogicalDatastoreType.OPERATIONAL,
+                pmDataIid);
+
+    }
+
+    // Build PM entity for writing into the database
+    public List<PmdataEntity> buildPmDataEntity(HistoricalPmList historicalPmEnitityList) {
+        List<PmdataEntity> pmEntitiyList = new ArrayList<>();
+        Collection<HistoricalPmEntry> pmDataEntryList =
+                YangHelper.getCollection(historicalPmEnitityList.getHistoricalPmEntry());
+        for (HistoricalPmEntry pmDataEntry : pmDataEntryList) {
+            pmDataBuilder.setUuidInterface(pmDataEntry.getPmResourceType().getName());
+            Collection<HistoricalPm> historicalPmList = YangHelper.getCollection(pmDataEntry.getHistoricalPm());
+            for (HistoricalPm historicalPm : historicalPmList) {
+                log.info("PmName:{}", historicalPm.getType());
+                //              pmDataBuilder.setPerformanceData(value)
+
+                try {
+                    writeperformanceData(historicalPm);
+                } catch (ClassNotFoundException e) {
+                    log.info("No relevant data found");
+                }
+                pmEntitiyList.add(this.pmDataBuilder.build());
+
+                log.info("PmListSize before db writing: {}", pmEntitiyList.size());
+            }
+            log.info("PmListSize before db writing: {}", pmEntitiyList.size());
+        }
+        return pmEntitiyList;
+    }
+    // end of public methods
+
+    // private methods
+    private void writeperformanceData(HistoricalPm historicalPm) throws ClassNotFoundException {
+        Collection<Measurement> measurementList = YangHelper.getCollection(historicalPm.getMeasurement());
+          Map<MeasurementKey, org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.Measurement> measurementMap=new HashMap<>();
+        // Map Performance data of PmDataEntity with MeasurmentData-HistoricalPm
+        PerformanceDataBuilder performanceDataBuilder = new PerformanceDataBuilder();
+        for (Measurement measurementData : measurementList) {
+            this.pmDataBuilder.setGranularityPeriod(mapGranularityPeriod(measurementData.getGranularity()))
+                    .setTimeStamp(measurementData.getCompletionTime());
+            if (measurementData.getValidity().getName().equals("suspect")) {
+                this.pmDataBuilder.setSuspectIntervalFlag(true);
+            }
+            measurementMap.put(new MeasurementKey(measurementBuilder(historicalPm.getType(), measurementData.getPmParameterUnit(),
+                    measurementData.getPmParameterValue()).getPmKey()), measurementBuilder(historicalPm.getType(), measurementData.getPmParameterUnit(),
+                    measurementData.getPmParameterValue()));
+
+
+        }
+
+        pmDataBuilder.setPerformanceData(performanceDataBuilder.setMeasurement(measurementMap).build());
+    }
+
+
+
+    // Mapping Granularity period of PmDataEntity with PmGranularity of MeasurmentData-HistoricalPm
+    private GranularityPeriodType mapGranularityPeriod(PmGranularity pmGranularity) {
+
+        GranularityPeriodType granPeriod = null;
+        switch (pmGranularity.getName()) {
+            case ("notApplicable"):
+                granPeriod = GranularityPeriodType.Unknown;
+                break;
+            case ("15min"):
+                granPeriod = GranularityPeriodType.Period15Min;
+                break;
+            case ("24Hour"):
+                granPeriod = GranularityPeriodType.Period24Hours;
+                break;
+            default:
+                granPeriod = GranularityPeriodType.Period15Min;
+                break;
+        }
+        return granPeriod;
+    }
+
+    private List<Class<? extends PerformanceMeasurementTypeId>> setMeasurementTypeId() {
+        String packageName =
+                "org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.openroadm.pm.types.rev200413";
+        String packageName1 =
+                "/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/data/provider/openroadm/pm/types/rev200413/";
+        List<Class<? extends PerformanceMeasurementTypeId>> measTypeObjList =
+                new ArrayList<>();
+        URL root = Thread.currentThread().getContextClassLoader().getResource(packageName1);
+
+        log.info("path for type package: {}", root);
+
+        Enumeration<URL> results = getFileURL(b, packageName);
+        log.info("FOund Packages {}", results);
+        if(results != null) {
+            while (results.hasMoreElements()) {
+                URL path = results.nextElement();
+
+                Class<?> cls1 = loadClass(b, path.getFile());
+
+                if (PerformanceMeasurementTypeId.class.isAssignableFrom(cls1)) {
+                    measTypeObjList.add((Class<? extends PerformanceMeasurementTypeId>) cls1);
+
+
+                }
+                if(cls1!=null) {
+                    log.info("Class Added {}", cls1.getSimpleName());
+                }
+
+        }
+
+
+        }
+
+        return measTypeObjList;
+    }
+
+    private Class<? extends PerformanceMeasurementUnitId> setMeasurementUnit(String unitName) {
+        Class<? extends PerformanceMeasurementUnitId>  measurementUnitClass = null;
+        switch (unitName) {
+            case ("celsius"):
+                measurementUnitClass = Celsius.class;
+                break;
+            case("dB"):
+                measurementUnitClass = DB.class;
+                break;
+            case("dBm"):
+                measurementUnitClass = DBm.class;
+                break;
+            case("fahrenheit"):
+                measurementUnitClass = Fahrenheit.class;
+                break;
+            case("kHz"):
+                measurementUnitClass = KHz.class;
+                break;
+            case("mW"):
+                measurementUnitClass = MW.class;
+                break;
+            default:
+                break;
+        }
+            return measurementUnitClass;
+     }
+
+    private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev201110.pmdata.grp.Measurement measurementBuilder(
+            PmNamesEnum pmType, String pmUnit, PmDataType pmDataType) {
+
+        MeasurementBuilder measBuilder = new MeasurementBuilder();
+        if (pmType.getName().equals("erroredSeconds") ) {
+            measBuilder.setPmKey(ErroredSecond.class);
+        } else if (pmType.getName().equals("severelyErroredSeconds")) {
+            measBuilder.setPmKey(SeverelyErroredSecond.class);
+        } else {
+            for (Class<? extends PerformanceMeasurementTypeId> obj : setMeasurementTypeId()) {
+                if (obj.toString().contains(pmType.name())) {
+                    measBuilder.setPmKey(obj);
+                }
+            }
+        }
+        measBuilder.setPmUnit(setMeasurementUnit(pmUnit));
+        measBuilder.setPmValue(pmDataType);
+        return measBuilder.build();
+
+    }
+
+    private Class<?> loadClass(Bundle bundle, String classFilePath) {
+        String className = classFilePath.replaceFirst("^/", "").replace('/', '.').replaceFirst(".class$", "");
+        try {
+            return bundle.loadClass(className);
+        } catch (Exception e) {
+            log.info(String.format("Class [%s] could not be loaded. Message: [%s].", className, e.getMessage()));
+        }
+        return null;
+    }
+
+    private static Enumeration<URL> getFileURL(Bundle b, String classPath) {
+
+        BundleContext context = b == null ? null : b.getBundleContext();
+        if (context == null) {
+            log.info("no bundle context available");
+            return null;
+        }
+        Bundle[] bundles = context.getBundles();
+        if (bundles == null || bundles.length <= 0) {
+            log.info("no bundles found");
+            return null;
+        }
+        log.info("found {} bundles", bundles.length);
+        Enumeration<URL> resultUrl = null;
+
+        for (Bundle bundle : bundles) {
+            resultUrl = bundle.findEntries("/" + classPath.replace(".", "/"), "*.class", false);
+            if (resultUrl != null) {
+                break;
+
+            }
+
+        }
+
+        return resultUrl;
+    }
+
+
+    // end of private methods
+}
+
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/http/org/openroadm/pm/types/rev191129/PmDataTypeBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/http/org/openroadm/pm/types/rev191129/PmDataTypeBuilder.java
new file mode 100644
index 000000000..249da71fb
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/http/org/openroadm/pm/types/rev191129/PmDataTypeBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev191129;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class PmDataTypeBuilder {
+    private PmDataTypeBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static PmDataType getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/OperatorStateBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/OperatorStateBuilder.java
new file mode 100644
index 000000000..30a55a203
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/OperatorStateBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.alarms.rev190911;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class OperatorStateBuilder {
+    private OperatorStateBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static OperatorState getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceBuilder.java
new file mode 100644
index 000000000..a803bae97
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.alarms.rev190911;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class ResourceBuilder {
+    private ResourceBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static Resource getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceMatchBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceMatchBuilder.java
new file mode 100644
index 000000000..bbfa37f40
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/ResourceMatchBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.alarms.rev190911;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class ResourceMatchBuilder {
+    private ResourceMatchBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static ResourceMatch getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/SeverityWithClearBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/SeverityWithClearBuilder.java
new file mode 100644
index 000000000..9fb90b438
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/SeverityWithClearBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.alarms.rev190911;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class SeverityWithClearBuilder {
+    private SeverityWithClearBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static SeverityWithClear getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}
diff --git a/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/alarms/ControlMaxAlarmStatusChangesBuilder.java b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/alarms/ControlMaxAlarmStatusChangesBuilder.java
new file mode 100644
index 000000000..2b8e8af57
--- /dev/null
+++ b/sdnr/wt/devicemanager-onap/openroadm/provider/src/main/java/org/opendaylight/yang/gen/v1/urn/ietf/params/xml/ns/yang/ietf/alarms/rev190911/alarms/ControlMaxAlarmStatusChangesBuilder.java
@@ -0,0 +1,21 @@
+package org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.alarms.rev190911.alarms;
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string
+ * representation. In some cases it is very difficult to automate it since there can be unions such as (uint32 -
+ * uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is: This class is generated in form of a stub and needs to be
+ * finished by the user. This class is generated only once to prevent loss of user code.
+ *
+ */
+public class ControlMaxAlarmStatusChangesBuilder {
+    private ControlMaxAlarmStatusChangesBuilder() {
+        //Exists only to defeat instantiation.
+    }
+
+    public static Control.MaxAlarmStatusChanges getDefaultInstance(String defaultValue) {
+        throw new UnsupportedOperationException("Not yet implemented");
+    }
+
+}