Upgrade to OpenROADM 7.1.0 network models
[transportpce.git] / renderer / src / main / java / org / opendaylight / transportpce / renderer / NetworkModelWavelengthServiceImpl.java
index 7c7812f0643ef57524e951cec4e9deccdbf4eb55..e1794be89d7a067a0acd3eb054cbef3dd30ab480 100644 (file)
@@ -7,68 +7,71 @@
  */
 package org.opendaylight.transportpce.renderer;
 
-import com.google.common.base.Optional;
-
 import java.math.BigDecimal;
-import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 import java.util.stream.Collectors;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.ReadTransaction;
+import org.opendaylight.mdsal.binding.api.WriteTransaction;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
 import org.opendaylight.transportpce.common.NetworkUtils;
 import org.opendaylight.transportpce.common.Timeouts;
 import org.opendaylight.transportpce.common.fixedflex.FixedFlexImpl;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.common.optical.channel.types.rev181130.FrequencyGHz;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.common.optical.channel.types.rev181130.FrequencyTHz;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.node.attributes.AvailableWavelengthsKey;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.used.wavelengths.UsedWavelengths;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.used.wavelengths.UsedWavelengthsBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.used.wavelengths.UsedWavelengthsKey;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Node1;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.Node1Builder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.TerminationPoint1;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.TerminationPoint1Builder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.DegreeAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.DegreeAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.SrgAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.SrgAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.CpAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.CpAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.CtpAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.CtpAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.PpAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.PpAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.RxTtpAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.RxTtpAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.TxTtpAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.TxTtpAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.XpdrClientAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.XpdrNetworkAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.XpdrNetworkAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.XpdrPortAttributes;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.XpdrPortAttributesBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.pp.attributes.UsedWavelength;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.pp.attributes.UsedWavelengthBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network.node.termination.point.pp.attributes.UsedWavelengthKey;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev181130.OpenroadmTpType;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node.attributes.AvailableWavelengthsBuilder;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev181130.xpdr.port.connection.attributes.Wavelength;
-import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev181130.xpdr.port.connection.attributes.WavelengthBuilder;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.PathDescription;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.atoz.direction.AToZ;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.path.description.ztoa.direction.ZToA;
-import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev171017.pce.resource.resource.resource.TerminationPoint;
+import org.opendaylight.transportpce.common.fixedflex.GridConstant;
+import org.opendaylight.transportpce.common.fixedflex.GridUtils;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.common.optical.channel.types.rev200529.FrequencyGHz;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.common.optical.channel.types.rev200529.FrequencyTHz;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev200529.degree.used.wavelengths.UsedWavelengths;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev200529.degree.used.wavelengths.UsedWavelengthsBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev200529.degree.used.wavelengths.UsedWavelengthsKey;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.Node1;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.Node1Builder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.TerminationPoint1;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.TerminationPoint1Builder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.DegreeAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.DegreeAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.SrgAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.SrgAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.CpAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.CpAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.CtpAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.CtpAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.PpAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.PpAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.RxTtpAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.RxTtpAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.TxTtpAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.TxTtpAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.XpdrClientAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.XpdrNetworkAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.XpdrNetworkAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.XpdrPortAttributes;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.XpdrPortAttributesBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.pp.attributes.UsedWavelength;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.pp.attributes.UsedWavelengthBuilder;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev200529.networks.network.node.termination.point.pp.attributes.UsedWavelengthKey;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev200529.OpenroadmTpType;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev200529.available.freq.map.AvailFreqMaps;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.network.types.rev200529.available.freq.map.AvailFreqMapsKey;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev200529.xpdr.port.connection.attributes.Wavelength;
+import org.opendaylight.yang.gen.v1.http.org.openroadm.xponder.rev200529.xpdr.port.connection.attributes.WavelengthBuilder;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.PathDescription;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.atoz.direction.AToZ;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.path.description.ztoa.direction.ZToA;
+import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.pathdescription.rev200629.pce.resource.resource.resource.TerminationPoint;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NodeId;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.Node;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network.NodeKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.TpId;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.node.TerminationPointKey;
@@ -81,6 +84,7 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
 
     private static final Logger LOG = LoggerFactory.getLogger(NetworkModelWavelengthServiceImpl.class);
     private final DataBroker dataBroker;
+    private final AvailFreqMapsKey availFreqMapKey = new AvailFreqMapsKey(GridConstant.C_BAND);
 
     public NetworkModelWavelengthServiceImpl(DataBroker dataBroker) {
         this.dataBroker = dataBroker;
@@ -88,35 +92,34 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
 
     @Override
     public void useWavelengths(PathDescription pathDescription) {
-
         List<NodeIdPair> atozTpIds = getAToZTpList(pathDescription);
-        List<NodeIdPair> ztoaTpIds = getZToATpList(pathDescription);
-
+        atozTpIds.removeIf(Objects::isNull);
         deleteAvailableWL(atozTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
-                pathDescription.getAToZDirection().getAToZWavelengthNumber());
+                pathDescription.getAToZDirection().getAToZWavelengthNumber().toJava());
+        List<NodeIdPair> ztoaTpIds = getZToATpList(pathDescription);
+        ztoaTpIds.removeIf(Objects::isNull);
         deleteAvailableWL(ztoaTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
-                pathDescription.getZToADirection().getZToAWavelengthNumber());
-
-        addUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber(), atozTpIds);
-        addUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber(), ztoaTpIds);
+                pathDescription.getZToADirection().getZToAWavelengthNumber().toJava());
+        addUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber().toJava(), atozTpIds);
+        addUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber().toJava(), ztoaTpIds);
     }
 
     @Override
     public void freeWavelengths(PathDescription pathDescription) {
         List<NodeIdPair> atozTpIds = getAToZTpList(pathDescription);
         List<NodeIdPair> ztoaTpIds = getZToATpList(pathDescription);
-
-        deleteUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber(), atozTpIds);
-        deleteUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber(), ztoaTpIds);
-
+        atozTpIds.removeIf(Objects::isNull);
+        ztoaTpIds.removeIf(Objects::isNull);
+        deleteUsedWL(pathDescription.getAToZDirection().getAToZWavelengthNumber().toJava(), atozTpIds);
+        deleteUsedWL(pathDescription.getZToADirection().getZToAWavelengthNumber().toJava(), ztoaTpIds);
         addAvailableWL(atozTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
-                pathDescription.getAToZDirection().getAToZWavelengthNumber());
+                pathDescription.getAToZDirection().getAToZWavelengthNumber().toJava());
         addAvailableWL(ztoaTpIds.stream().map(NodeIdPair::getNodeID).distinct().collect(Collectors.toList()),
-                pathDescription.getZToADirection().getZToAWavelengthNumber());
+                pathDescription.getZToADirection().getZToAWavelengthNumber().toJava());
     }
 
     private List<NodeIdPair> getAToZTpList(PathDescription pathDescription) {
-        List<AToZ> atozList = pathDescription.getAToZDirection().getAToZ();
+        Collection<AToZ> atozList = pathDescription.getAToZDirection().nonnullAToZ().values();
         return atozList.stream()
                 .filter(aToZ -> {
                     if ((aToZ.getResource() == null) || (aToZ.getResource().getResource() == null)) {
@@ -126,7 +129,8 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                     return aToZ.getResource().getResource() instanceof TerminationPoint;
                 }).map(aToZ -> {
                     TerminationPoint tp = (TerminationPoint) aToZ.getResource().getResource();
-                    if ((tp == null) || (tp.getTpNodeId() == null) ||  (tp.getTpId() == null)) {
+                    if ((tp == null) || (tp.getTpNodeId() == null) ||  (tp.getTpId() == null)
+                        || tp.getTpId().isEmpty()) {
                         LOG.warn("Termination point in AToZ node {} contains nulls! Skipping this node!", aToZ.getId());
                         return null;
                     }
@@ -135,7 +139,7 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
     }
 
     private List<NodeIdPair> getZToATpList(PathDescription pathDescription) {
-        List<ZToA> ztoaList = pathDescription.getZToADirection().getZToA();
+        Collection<ZToA> ztoaList = pathDescription.getZToADirection().nonnullZToA().values();
         return ztoaList.stream()
                 .filter(zToA -> {
                     if ((zToA.getResource() == null) || (zToA.getResource().getResource() == null)) {
@@ -145,7 +149,8 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                     return zToA.getResource().getResource() instanceof TerminationPoint;
                 }).map(zToA -> {
                     TerminationPoint tp = (TerminationPoint) zToA.getResource().getResource();
-                    if ((tp == null) || (tp.getTpNodeId() == null) ||  (tp.getTpId() == null)) {
+                    if ((tp == null) || (tp.getTpNodeId() == null) ||  (tp.getTpId() == null)
+                        || tp.getTpId().isEmpty()) {
                         LOG.warn("Termination point in ZToA node {} contains nulls! Skipping this node!", zToA.getId());
                         return null;
                     }
@@ -161,135 +166,55 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                 .Node.class, new NodeKey(new NodeId(nodeId))).augmentation(Node1.class).build();
     }
 
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+        .Node1> createNode2IID(String nodeId) {
+        return InstanceIdentifier
+                .builder(Networks.class).child(Network.class, new NetworkKey(
+                new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
+                .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.network
+                .Node.class, new NodeKey(new NodeId(nodeId))).augmentation(org.opendaylight.yang.gen.v1.http
+                        .org.openroadm.common.network.rev200529.Node1.class).build();
+    }
+
     private Optional<Node1> getNode1FromDatastore(String nodeId) {
         InstanceIdentifier<Node1>
                 nodeIID = createNode1IID(nodeId);
         Optional<Node1> nodeOpt;
-        try (ReadOnlyTransaction nodeReadTx = this.dataBroker.newReadOnlyTransaction()) {
+        try (ReadTransaction nodeReadTx = this.dataBroker.newReadOnlyTransaction()) {
             nodeOpt = nodeReadTx.read(LogicalDatastoreType.CONFIGURATION, nodeIID)
                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
         } catch (InterruptedException | ExecutionException | TimeoutException e) {
             LOG.warn("Exception while getting node from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID, e);
-            nodeOpt = Optional.absent();
+            nodeOpt = Optional.empty();
         }
         return nodeOpt;
     }
 
-    private void addAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
-        WriteTransaction nodeWriteTx = this.dataBroker.newWriteOnlyTransaction();
-        for (String nodeId : nodeIds) {
-            Optional<Node1> nodeOpt =
-                    getNode1FromDatastore(nodeId);
-            Node1 node;
-            if (nodeOpt.isPresent()) {
-                node = nodeOpt.get();
-            } else {
-                LOG.error("Unable to get node {} from topology {}! Skipping addition of available wavelength for this"
-                        + "node.", nodeId, NetworkUtils.OVERLAY_NETWORK_ID);
-                continue;
-            }
-
-            Node1Builder node1Builder = new Node1Builder(node);
-
-            switch (node1Builder.getNodeType()) {
-                case DEGREE:
-                    DegreeAttributes degreeAttributes = node.getDegreeAttributes();
-                    DegreeAttributesBuilder degreeAttributesBuilder;
-                    if (degreeAttributes == null) {
-                        degreeAttributesBuilder = new DegreeAttributesBuilder();
-                    } else {
-                        degreeAttributesBuilder = new DegreeAttributesBuilder(degreeAttributes);
-                    }
-                    List<org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.node.attributes
-                            .AvailableWavelengths> availableDegreeWLs =
-                            degreeAttributesBuilder.getAvailableWavelengths();
-                    if (availableDegreeWLs == null) {
-                        availableDegreeWLs = new ArrayList<>();
-                        degreeAttributesBuilder.setAvailableWavelengths(availableDegreeWLs);
-                    }
-                    availableDegreeWLs.add(new org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree
-                            .node.attributes.AvailableWavelengthsBuilder().setIndex(wavelengthNumber).build());
-                    node1Builder.setDegreeAttributes(degreeAttributesBuilder.build());
-                    break;
-                case SRG:
-                    SrgAttributes srgAttributes = node.getSrgAttributes();
-                    SrgAttributesBuilder srgAttributesBuilder;
-                    if (srgAttributes == null) {
-                        srgAttributesBuilder = new SrgAttributesBuilder();
-                    } else {
-                        srgAttributesBuilder = new SrgAttributesBuilder(srgAttributes);
-                    }
-                    List<org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node.attributes
-                            .AvailableWavelengths> availableSrgWLs = srgAttributesBuilder.getAvailableWavelengths();
-                    if (availableSrgWLs == null) {
-                        availableSrgWLs = new ArrayList<>();
-                        srgAttributesBuilder.setAvailableWavelengths(availableSrgWLs);
-                    }
-                    availableSrgWLs.add(new AvailableWavelengthsBuilder().setIndex(wavelengthNumber).build());
-                    node1Builder.setSrgAttributes(srgAttributesBuilder.build());
-                    break;
-
-                default:
-                    // TODO skip for now
-                    continue;
-            }
-            nodeWriteTx.put(LogicalDatastoreType.CONFIGURATION, createNode1IID(nodeId), node1Builder.build(), true);
-        }
-        try {
-            nodeWriteTx.commit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
+    private Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+        .Node1> getNode2FromDatastore(String nodeId) {
+        InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.Node1>
+                nodeIID = createNode2IID(nodeId);
+        Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.Node1> nodeOpt;
+        try (ReadTransaction nodeReadTx = this.dataBroker.newReadOnlyTransaction()) {
+            nodeOpt = nodeReadTx.read(LogicalDatastoreType.CONFIGURATION, nodeIID)
+                    .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
         } catch (InterruptedException | ExecutionException | TimeoutException e) {
-            LOG.error("Unable to add available WL {} for nodes {}!", wavelengthNumber, String.join(", ", nodeIds), e);
+            LOG.warn("Exception while getting node from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID, e);
+            nodeOpt = Optional.empty();
         }
+        return nodeOpt;
     }
 
-    private void deleteAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
-        WriteTransaction nodeWriteTx = this.dataBroker.newWriteOnlyTransaction();
-        for (String nodeId : nodeIds) {
-            Optional<Node1> nodeOpt = getNode1FromDatastore(nodeId);
-            Node1 node;
-            if (nodeOpt.isPresent()) {
-                node = nodeOpt.get();
-            } else {
-                LOG.error(
-                    "Unable to get node {} from topology {}! Skipping addition of available wavelength for this node.",
-                         nodeId, NetworkUtils.OVERLAY_NETWORK_ID);
-                continue;
-            }
+    private void addAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
+        updateFreqMaps4Nodes(nodeIds, wavelengthNumber, true);
+    }
 
-            InstanceIdentifierBuilder<Node1> nodeIIDBuilder = InstanceIdentifier.builder(Networks.class)
-                .child(Network.class, new NetworkKey(new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID)))
-                .child(Node.class, new NodeKey(new NodeId(nodeId))).augmentation(Node1.class);
-            InstanceIdentifier availableWlIID;
 
-            switch (node.getNodeType()) {
-                case DEGREE:
-                    availableWlIID = nodeIIDBuilder.child(DegreeAttributes.class)
-                            .child(org.opendaylight.yang.gen.v1.http.org.openroadm.degree.rev181130.degree.node
-                                    .attributes.AvailableWavelengths.class,
-                                    new AvailableWavelengthsKey(wavelengthNumber))
-                            .build();
-                    break;
-                case SRG:
-                    availableWlIID = nodeIIDBuilder.child(SrgAttributes.class)
-                            .child(org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node.attributes
-                                            .AvailableWavelengths.class,
-                                    new org.opendaylight.yang.gen.v1.http.org.openroadm.srg.rev181130.srg.node
-                                            .attributes.AvailableWavelengthsKey(wavelengthNumber))
-                            .build();
-                    break;
 
-                default:
-                    // TODO skip for now
-                    continue;
-            }
-            nodeWriteTx.delete(LogicalDatastoreType.CONFIGURATION, availableWlIID);
-        }
-        try {
-            nodeWriteTx.commit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
-        } catch (InterruptedException | ExecutionException | TimeoutException e) {
-            LOG.error("Unable to delete available WL {} for nodes {}!", wavelengthNumber, String.join(", ", nodeIds),
-                    e);
-        }
+
+
+    private void deleteAvailableWL(List<String> nodeIds, Long wavelengthNumber) {
+        updateFreqMaps4Nodes(nodeIds, wavelengthNumber, false);
     }
 
     private InstanceIdentifierBuilder<TerminationPoint1> createTerminationPoint1IIDBuilder(String nodeId, String tpId) {
@@ -303,16 +228,45 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                 .augmentation(TerminationPoint1.class);
     }
 
+    private InstanceIdentifierBuilder<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+        .TerminationPoint1> createTerminationPoint2IIDBuilder(String nodeId, String tpId) {
+        return InstanceIdentifier
+                .builder(Networks.class).child(Network.class, new NetworkKey(
+                new NetworkId(NetworkUtils.OVERLAY_NETWORK_ID))).child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml
+                .ns.yang.ietf.network.rev180226.networks.network.Node.class, new NodeKey(new NodeId(nodeId)))
+                .augmentation(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226
+                .Node1.class).child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology
+                .rev180226.networks.network.node.TerminationPoint.class, new TerminationPointKey(new TpId(tpId)))
+                .augmentation(org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+                    .TerminationPoint1.class);
+    }
+
     private Optional<TerminationPoint1> getTerminationPoint1FromDatastore(String nodeId, String tpId) {
         InstanceIdentifier<TerminationPoint1> tpIID = createTerminationPoint1IIDBuilder(nodeId, tpId).build();
         Optional<TerminationPoint1> tpOpt;
-        try (ReadOnlyTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
+        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
             tpOpt = readTx.read(LogicalDatastoreType.CONFIGURATION, tpIID)
                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
         } catch (InterruptedException | ExecutionException | TimeoutException e) {
             LOG.warn("Exception while getting termination point from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID,
                     e);
-            tpOpt = Optional.absent();
+            tpOpt = Optional.empty();
+        }
+        return tpOpt;
+    }
+
+    private Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+        .TerminationPoint1> getTerminationPoint2FromDatastore(String nodeId, String tpId) {
+        InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+            .TerminationPoint1> tpIID = createTerminationPoint2IIDBuilder(nodeId, tpId).build();
+        Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.TerminationPoint1> tpOpt;
+        try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
+            tpOpt = readTx.read(LogicalDatastoreType.CONFIGURATION, tpIID)
+                    .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
+        } catch (InterruptedException | ExecutionException | TimeoutException e) {
+            LOG.warn("Exception while getting termination point from {} topology!", NetworkUtils.OVERLAY_NETWORK_ID,
+                    e);
+            tpOpt = Optional.empty();
         }
         return tpOpt;
     }
@@ -320,70 +274,99 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
     private void deleteUsedWL(long wavelengthIndex, List<NodeIdPair> tpIds) {
         WriteTransaction deleteUsedWlTx = this.dataBroker.newWriteOnlyTransaction();
         for (NodeIdPair idPair : tpIds) {
-            Optional<TerminationPoint1> tpOpt = getTerminationPoint1FromDatastore(idPair.getNodeID(), idPair.getTpID());
+            Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+                .TerminationPoint1> tp2Opt = getTerminationPoint2FromDatastore(idPair.getNodeID(), idPair.getTpID());
 
             OpenroadmTpType tpType;
-            if (tpOpt.isPresent()) {
-                tpType = tpOpt.get().getTpType();
+            if (tp2Opt.isPresent()) {
+                tpType = tp2Opt.get().getTpType();
             } else {
                 LOG.error("Unable to get termination point {} from topology {}! Skipping removal of used wavelength"
                         + " for this node.", idPair.getTpID(), NetworkUtils.OVERLAY_NETWORK_ID);
                 continue;
             }
+            Optional<TerminationPoint1> tp1Opt = getTerminationPoint1FromDatastore(idPair.getNodeID(),
+                    idPair.getTpID());
             InstanceIdentifier.InstanceIdentifierBuilder<TerminationPoint1> usedWlIIDBuilder =
                     createTerminationPoint1IIDBuilder(idPair.getNodeID(), idPair.getTpID());
-            InstanceIdentifier usedWlIID;
             switch (tpType) {
                 case DEGREETXTTP:
                 case DEGREETXRXTTP:
-                    usedWlIID = usedWlIIDBuilder.child(TxTtpAttributes.class).child(UsedWavelengths.class,
-                            new UsedWavelengthsKey(wavelengthIndex)).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(TxTtpAttributes.class).child(UsedWavelengths.class,
+                                    new UsedWavelengthsKey((int)wavelengthIndex)).build());
                     break;
 
                 case DEGREERXTTP:
-                    usedWlIID = usedWlIIDBuilder.child(RxTtpAttributes.class).child(UsedWavelengths.class,
-                            new UsedWavelengthsKey(wavelengthIndex)).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(RxTtpAttributes.class).child(UsedWavelengths.class,
+                                    new UsedWavelengthsKey((int)wavelengthIndex)).build());
                     break;
 
                 case DEGREETXCTP:
                 case DEGREERXCTP:
                 case DEGREETXRXCTP:
-                    usedWlIID = usedWlIIDBuilder.child(CtpAttributes.class).child(UsedWavelengths.class,
-                            new UsedWavelengthsKey(wavelengthIndex)).build();
+                    if (tp1Opt.isPresent()) {
+                        TerminationPoint1 tp1 = tp1Opt.get();
+                        TerminationPoint1Builder tp1Builder = new TerminationPoint1Builder(tp1);
+                        CtpAttributesBuilder ctpAttributesBuilder;
+                        if (tp1Builder.getCtpAttributes() != null) {
+                            ctpAttributesBuilder = new CtpAttributesBuilder(tp1Builder.getCtpAttributes());
+                            Map<AvailFreqMapsKey, AvailFreqMaps> availFreqMapsMap = tp1Builder.getCtpAttributes()
+                                    .nonnullAvailFreqMaps();
+                            ctpAttributesBuilder
+                                    .setAvailFreqMaps(updateFreqMaps(wavelengthIndex, availFreqMapsMap, true));
+                            deleteUsedWlTx.merge(LogicalDatastoreType.CONFIGURATION,
+                                    createTerminationPoint1IIDBuilder(idPair.getNodeID(),
+                                            idPair.getTpID()).build(), tp1Builder.build());
+                        }
+                    }
                     break;
 
                 case SRGTXCP:
                 case SRGRXCP:
                 case SRGTXRXCP:
-                    usedWlIID = usedWlIIDBuilder.child(CpAttributes.class).child(org.opendaylight.yang.gen.v1.http.org
-                        .openroadm.network.topology.rev181130.networks.network.node.termination.point.cp.attributes
-                        .UsedWavelengths.class, new org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology
-                        .rev181130.networks.network.node.termination.point.cp.attributes
-                        .UsedWavelengthsKey(wavelengthIndex)).build();
+                    if (tp1Opt.isPresent()) {
+                        TerminationPoint1 tp1 = tp1Opt.get();
+                        TerminationPoint1Builder tp1Builder = new TerminationPoint1Builder(tp1);
+                        CpAttributesBuilder cpAttributesBuilder;
+                        if (tp1Builder.getCpAttributes() != null) {
+                            cpAttributesBuilder = new CpAttributesBuilder(tp1Builder.getCpAttributes());
+                            Map<AvailFreqMapsKey, AvailFreqMaps> availFreqMapsMap = tp1Builder.getCpAttributes()
+                                    .nonnullAvailFreqMaps();
+                            cpAttributesBuilder
+                                    .setAvailFreqMaps(updateFreqMaps(wavelengthIndex, availFreqMapsMap, true));
+                            deleteUsedWlTx.merge(LogicalDatastoreType.CONFIGURATION,
+                                    createTerminationPoint1IIDBuilder(idPair.getNodeID(),
+                                            idPair.getTpID()).build(), tp1Builder.build());
+                        }
+                    }
                     break;
 
                 case SRGTXRXPP:
                 case SRGRXPP:
                 case SRGTXPP:
-                    usedWlIID = usedWlIIDBuilder.child(PpAttributes.class).child(UsedWavelength.class,
-                            new UsedWavelengthKey(wavelengthIndex)).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(PpAttributes.class).child(UsedWavelength.class,
+                                    new UsedWavelengthKey((int)wavelengthIndex)).build());
                     break;
 
                 case XPONDERNETWORK:
-                    usedWlIID = usedWlIIDBuilder.child(XpdrNetworkAttributes.class).child(Wavelength.class).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(XpdrNetworkAttributes.class).child(Wavelength.class).build());
                     break;
                 case XPONDERCLIENT:
-                    usedWlIID = usedWlIIDBuilder.child(XpdrClientAttributes.class).child(Wavelength.class).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(XpdrClientAttributes.class).child(Wavelength.class).build());
                     break;
                 case XPONDERPORT:
-                    usedWlIID = usedWlIIDBuilder.child(XpdrPortAttributes.class).child(Wavelength.class).build();
+                    deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION,
+                            usedWlIIDBuilder.child(XpdrPortAttributes.class).child(Wavelength.class).build());
                     break;
 
                 default:
-                    // TODO skip for now
-                    continue;
+                    break;
             }
-            deleteUsedWlTx.delete(LogicalDatastoreType.CONFIGURATION, usedWlIID);
         }
         try {
             deleteUsedWlTx.commit().get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
@@ -397,125 +380,137 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
         WriteTransaction addUsedWlTx = this.dataBroker.newWriteOnlyTransaction();
         FixedFlexImpl fixedFlex = new FixedFlexImpl(wavelengthIndex);
         FrequencyTHz centralTHz = new FrequencyTHz(new BigDecimal(fixedFlex.getCenterFrequency()));
+        Map<AvailFreqMapsKey, AvailFreqMaps> availFreqMapsMap;
         for (NodeIdPair idPair : tpIds) {
-            Optional<TerminationPoint1> tpOpt = getTerminationPoint1FromDatastore(idPair.getNodeID(), idPair.getTpID());
-
-            TerminationPoint1 tp;
-            if (tpOpt.isPresent()) {
-                tp = tpOpt.get();
+            Optional<TerminationPoint1> tp1Opt =
+                getTerminationPoint1FromDatastore(idPair.getNodeID(), idPair.getTpID());
+            TerminationPoint1 tp1 = null;
+            Optional<org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529
+                .TerminationPoint1> tp2Opt = getTerminationPoint2FromDatastore(idPair.getNodeID(), idPair.getTpID());
+            org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.TerminationPoint1 tp2;
+            if (tp2Opt.isPresent()) {
+                tp2 = tp2Opt.get();
             } else {
                 LOG.error(
-                    "Unable to get termination point {} from topology {}! Skip removal of used wavelength for the node",
-                         idPair.getTpID(), NetworkUtils.OVERLAY_NETWORK_ID);
+                    "Unable to get common-network termination point {} from topology {}! Skip removal of used"
+                    + "wavelength for the node", idPair.getTpID(), NetworkUtils.OVERLAY_NETWORK_ID);
                 continue;
             }
+            TerminationPoint1Builder tp1Builder;
+            if (tp1Opt.isPresent()) {
+                tp1 = tp1Opt.get();
+                tp1Builder = new TerminationPoint1Builder(tp1);
+            } else {
+                tp1Builder = new TerminationPoint1Builder();
+            }
 
-            TerminationPoint1Builder tp1Builder = new TerminationPoint1Builder(tp);
-
-            switch (tp.getTpType()) {
+            UsedWavelengths usedWaveLength = new UsedWavelengthsBuilder().setIndex((int)wavelengthIndex)
+                .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build();
+            switch (tp2.getTpType()) {
                 case DEGREETXTTP:
                 case DEGREETXRXTTP:
-                    TxTtpAttributes txTtpAttributes = tp.getTxTtpAttributes();
+                    TxTtpAttributes txTtpAttributes = null;
+                    Map<UsedWavelengthsKey,UsedWavelengths> usedDegreeTxTtpWls;
+                    if (tp1 != null) {
+                        txTtpAttributes = tp1.getTxTtpAttributes();
+                    }
                     TxTtpAttributesBuilder txTtpAttributesBuilder;
+                    usedDegreeTxTtpWls = new HashMap<>();
                     if (txTtpAttributes == null) {
                         txTtpAttributesBuilder = new TxTtpAttributesBuilder();
                     } else {
                         txTtpAttributesBuilder = new TxTtpAttributesBuilder(txTtpAttributes);
+                        usedDegreeTxTtpWls.putAll(txTtpAttributesBuilder.getUsedWavelengths());
                     }
-                    List<UsedWavelengths> usedDegreeTxTtpWls = txTtpAttributesBuilder.getUsedWavelengths();
-                    if (usedDegreeTxTtpWls == null) {
-                        usedDegreeTxTtpWls = new ArrayList<>();
-                        txTtpAttributesBuilder.setUsedWavelengths(usedDegreeTxTtpWls);
-                    }
-                    usedDegreeTxTtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex)
-                        .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build());
+                    usedDegreeTxTtpWls.put(usedWaveLength.key(),usedWaveLength);
+                    txTtpAttributesBuilder.setUsedWavelengths(usedDegreeTxTtpWls);
                     tp1Builder.setTxTtpAttributes(txTtpAttributesBuilder.build());
                     break;
 
                 case DEGREERXTTP:
-                    RxTtpAttributes rxTtpAttributes = tp.getRxTtpAttributes();
+                    RxTtpAttributes rxTtpAttributes = null;
+                    Map<UsedWavelengthsKey,UsedWavelengths> usedDegreeRxTtpWls;
+                    if (tp1 != null) {
+                        rxTtpAttributes = tp1.getRxTtpAttributes();
+                    }
                     RxTtpAttributesBuilder rxTtpAttributesBuilder;
+                    usedDegreeRxTtpWls = new HashMap<>();
                     if (rxTtpAttributes == null) {
                         rxTtpAttributesBuilder = new RxTtpAttributesBuilder();
                     } else {
                         rxTtpAttributesBuilder = new RxTtpAttributesBuilder(rxTtpAttributes);
+                        usedDegreeRxTtpWls.putAll(rxTtpAttributesBuilder.getUsedWavelengths());
                     }
-                    List<UsedWavelengths> usedDegreeRxTtpWls = rxTtpAttributesBuilder.getUsedWavelengths();
-                    if (usedDegreeRxTtpWls == null) {
-                        usedDegreeRxTtpWls = new ArrayList<>();
-                        rxTtpAttributesBuilder.setUsedWavelengths(usedDegreeRxTtpWls);
-                    }
-                    usedDegreeRxTtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex)
-                        .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build());
+                    usedDegreeRxTtpWls.put(usedWaveLength.key(),usedWaveLength);
+                    rxTtpAttributesBuilder.setUsedWavelengths(usedDegreeRxTtpWls);
                     tp1Builder.setRxTtpAttributes(rxTtpAttributesBuilder.build());
                     break;
 
                 case DEGREETXCTP:
                 case DEGREERXCTP:
                 case DEGREETXRXCTP:
-                    CtpAttributes ctpAttributes = tp.getCtpAttributes();
+                    CtpAttributes ctpAttributes = null;
+                    if (tp1 != null) {
+                        ctpAttributes = tp1.getCtpAttributes();
+                    }
                     CtpAttributesBuilder ctpAttributesBuilder;
                     if (ctpAttributes == null) {
                         ctpAttributesBuilder = new CtpAttributesBuilder();
                     } else {
                         ctpAttributesBuilder = new CtpAttributesBuilder(ctpAttributes);
                     }
-                    List<UsedWavelengths> usedDegreeCtpWls = ctpAttributesBuilder.getUsedWavelengths();
-                    if (usedDegreeCtpWls == null) {
-                        usedDegreeCtpWls = new ArrayList<>();
-                        ctpAttributesBuilder.setUsedWavelengths(usedDegreeCtpWls);
-                    }
-                    usedDegreeCtpWls.add(new UsedWavelengthsBuilder().setIndex(wavelengthIndex)
-                        .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build());
+                    availFreqMapsMap = ctpAttributesBuilder.getAvailFreqMaps();
+                    ctpAttributesBuilder.setAvailFreqMaps(updateFreqMaps(wavelengthIndex, availFreqMapsMap, false));
                     tp1Builder.setCtpAttributes(ctpAttributesBuilder.build());
                     break;
 
                 case SRGTXCP:
                 case SRGRXCP:
                 case SRGTXRXCP:
-                    CpAttributes cpAttributes = tp.getCpAttributes();
+                    CpAttributes cpAttributes = null;
+                    if (tp1 != null) {
+                        cpAttributes = tp1.getCpAttributes();
+                    }
                     CpAttributesBuilder cpAttributesBuilder;
                     if (cpAttributes == null) {
                         cpAttributesBuilder = new CpAttributesBuilder();
                     } else {
                         cpAttributesBuilder = new CpAttributesBuilder(cpAttributes);
                     }
-                    List<org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130.networks.network
-                        .node.termination.point.cp.attributes.UsedWavelengths> usedDegreeCpWls = cpAttributesBuilder
-                        .getUsedWavelengths();
-                    if (usedDegreeCpWls == null) {
-                        usedDegreeCpWls = new ArrayList<>();
-                        cpAttributesBuilder.setUsedWavelengths(usedDegreeCpWls);
-                    }
-                    usedDegreeCpWls.add(new org.opendaylight.yang.gen.v1.http.org.openroadm.network.topology.rev181130
-                            .networks.network.node.termination.point.cp.attributes.UsedWavelengthsBuilder()
-                            .setIndex(wavelengthIndex)
-                            .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build());
+                    availFreqMapsMap = cpAttributesBuilder.getAvailFreqMaps();
+                    cpAttributesBuilder.setAvailFreqMaps(updateFreqMaps(wavelengthIndex, availFreqMapsMap, false));
                     tp1Builder.setCpAttributes(cpAttributesBuilder.build());
                     break;
 
                 case SRGTXRXPP:
                 case SRGRXPP:
                 case SRGTXPP:
-                    PpAttributes ppAttributes = tp.getPpAttributes();
+                    PpAttributes ppAttributes = null;
+                    Map<UsedWavelengthKey, UsedWavelength> usedDegreePpWls;
+                    if (tp1 != null) {
+                        ppAttributes = tp1.getPpAttributes();
+                    }
                     PpAttributesBuilder ppAttributesBuilder;
+                    usedDegreePpWls = new HashMap<>();
                     if (ppAttributes == null) {
                         ppAttributesBuilder = new PpAttributesBuilder();
                     } else {
                         ppAttributesBuilder = new PpAttributesBuilder(ppAttributes);
+                        usedDegreePpWls.putAll(ppAttributesBuilder.getUsedWavelength());
                     }
-                    List<UsedWavelength> usedDegreePpWls = ppAttributesBuilder.getUsedWavelength();
-                    if (usedDegreePpWls == null) {
-                        usedDegreePpWls = new ArrayList<>();
-                        ppAttributesBuilder.setUsedWavelength(usedDegreePpWls);
-                    }
-                    usedDegreePpWls.add(new UsedWavelengthBuilder().setIndex(wavelengthIndex)
-                        .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build());
+                    UsedWavelength usedDegreeWaveLength = new UsedWavelengthBuilder()
+                            .setIndex((int)wavelengthIndex)
+                            .setFrequency(centralTHz).setWidth(FrequencyGHz.getDefaultInstance("40")).build();
+                    usedDegreePpWls.put(usedDegreeWaveLength.key(),usedDegreeWaveLength);
+                    ppAttributesBuilder.setUsedWavelength(usedDegreePpWls);
                     tp1Builder.setPpAttributes(ppAttributesBuilder.build());
                     break;
 
                 case XPONDERNETWORK:
-                    XpdrNetworkAttributes xpdrNetworkAttributes = tp.getXpdrNetworkAttributes();
+                    XpdrNetworkAttributes xpdrNetworkAttributes = null;
+                    if (tp1 != null) {
+                        xpdrNetworkAttributes = tp1.getXpdrNetworkAttributes();
+                    }
                     XpdrNetworkAttributesBuilder xpdrNetworkAttributesBuilder;
                     if (xpdrNetworkAttributes == null) {
                         xpdrNetworkAttributesBuilder = new XpdrNetworkAttributesBuilder();
@@ -530,7 +525,10 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                 case XPONDERCLIENT:
                     break;
                 case XPONDERPORT:
-                    XpdrPortAttributes xpdrPortAttributes = tp.getXpdrPortAttributes();
+                    XpdrPortAttributes xpdrPortAttributes = null;
+                    if (tp1 != null) {
+                        xpdrPortAttributes = tp1.getXpdrPortAttributes();
+                    }
                     XpdrPortAttributesBuilder xpdrPortAttributesBuilder;
                     if (xpdrPortAttributes == null) {
                         xpdrPortAttributesBuilder = new XpdrPortAttributesBuilder();
@@ -548,7 +546,7 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
                     continue;
             }
             addUsedWlTx.put(LogicalDatastoreType.CONFIGURATION, createTerminationPoint1IIDBuilder(idPair.getNodeID(),
-                    idPair.getTpID()).build(), tp1Builder.build(), true);
+                    idPair.getTpID()).build(), tp1Builder.build());
         }
         try {
             addUsedWlTx.commit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
@@ -557,4 +555,98 @@ public class NetworkModelWavelengthServiceImpl implements NetworkModelWavelength
             LOG.error("Unable to add used WL {} for TPs {}!", wavelengthIndex, String.join(", ", tpIdsString), e);
         }
     }
+
+    /**
+     * Update availFreqMapsMap for wavelengthNumber for nodes in nodeIds.
+     * @param nodeIds List of node id.
+     * @param wavelengthNumber Long
+     * @param isSlotAvailable boolean true if waveLength is available, false otherwise.
+     */
+    //TODO: reduce its Cognitive Complexity from 21 to the 15
+    private void updateFreqMaps4Nodes(List<String> nodeIds, Long wavelengthNumber, boolean isSlotAvailable) {
+        WriteTransaction nodeWriteTx = this.dataBroker.newWriteOnlyTransaction();
+        Map<AvailFreqMapsKey, AvailFreqMaps> availFreqMapsMap;
+        String action = isSlotAvailable ? "addition" : "deletion";
+        for (String nodeId : nodeIds) {
+            Optional<Node1> node1Opt = getNode1FromDatastore(nodeId);
+            Optional<org.opendaylight.yang.gen.v1
+                .http.org.openroadm.common.network.rev200529.Node1> node2Opt = getNode2FromDatastore(nodeId);
+            if (!node1Opt.isPresent() || !node2Opt.isPresent()) {
+                LOG.error(
+                        "From topology {} for node id {} -> Get common-network : {} ! "
+                                + "Get network-topology : {} ! Skipping {} of available wavelength for this node.",
+                        NetworkUtils.OVERLAY_NETWORK_ID, nodeId, node1Opt.isPresent(), node2Opt.isPresent(), action);
+                continue;
+            }
+            Node1 node1 = node1Opt.get();
+            org.opendaylight.yang.gen.v1.http.org.openroadm.common.network.rev200529.Node1 node2 = node2Opt.get();
+            Node1Builder node1Builder = new Node1Builder(node1);
+            switch (node2.getNodeType()) {
+                case DEGREE:
+                    DegreeAttributes degreeAttributes = node1.getDegreeAttributes();
+                    DegreeAttributesBuilder degreeAttributesBuilder;
+                    if (degreeAttributes == null) {
+                        degreeAttributesBuilder = new DegreeAttributesBuilder();
+                    } else {
+                        degreeAttributesBuilder = new DegreeAttributesBuilder(degreeAttributes);
+                    }
+                    availFreqMapsMap = degreeAttributesBuilder.getAvailFreqMaps();
+                    degreeAttributesBuilder
+                    .setAvailFreqMaps(updateFreqMaps(wavelengthNumber, availFreqMapsMap, isSlotAvailable));
+                    node1Builder.setDegreeAttributes(degreeAttributesBuilder.build());
+                    break;
+                case SRG:
+                    SrgAttributes srgAttributes = node1.getSrgAttributes();
+                    SrgAttributesBuilder srgAttributesBuilder;
+                    if (srgAttributes == null) {
+                        srgAttributesBuilder = new SrgAttributesBuilder();
+                    } else {
+                        srgAttributesBuilder = new SrgAttributesBuilder(srgAttributes);
+                    }
+                    availFreqMapsMap = srgAttributesBuilder.getAvailFreqMaps();
+                    srgAttributesBuilder
+                    .setAvailFreqMaps(updateFreqMaps(wavelengthNumber, availFreqMapsMap, isSlotAvailable));
+                    node1Builder.setSrgAttributes(srgAttributesBuilder.build());
+                    break;
+                default:
+                    LOG.warn("Node type not managed {}", node2.getNodeType());
+                    break;
+            }
+            nodeWriteTx.put(LogicalDatastoreType.CONFIGURATION, createNode1IID(nodeId), node1Builder.build());
+        }
+        try {
+            nodeWriteTx.commit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
+        } catch (ExecutionException | TimeoutException e) {
+            LOG.error("Cannot perform {} WL {} for nodes {}!", action, wavelengthNumber, String.join(", ", nodeIds), e);
+        } catch (InterruptedException e) {
+            LOG.error("{} interrupted  WL {} for nodes {}!", action, wavelengthNumber, String.join(", ", nodeIds), e);
+            Thread.currentThread().interrupt();
+        }
+    }
+
+    /**
+     * Update availFreqMapsMap for wavelengthNumber.
+     * @param wavelengthNumber Long
+     * @param availFreqMapsMap Map
+     * @param isSlotAvailable boolean
+     * @return availFreqMapsMap updated for wavelengthNumber.
+     */
+    private Map<AvailFreqMapsKey, AvailFreqMaps> updateFreqMaps(Long wavelengthNumber,
+            Map<AvailFreqMapsKey, AvailFreqMaps> availFreqMapsMap, boolean isSlotAvailable) {
+        byte slotValue = (byte)GridConstant.USED_SLOT_VALUE;
+        if (isSlotAvailable) {
+            slotValue = (byte)GridConstant.AVAILABLE_SLOT_VALUE;
+        }
+        if (availFreqMapsMap == null) {
+            availFreqMapsMap = GridUtils.initFreqMaps4FixedGrid2Available();
+        }
+        AvailFreqMaps availFreqMaps = availFreqMapsMap.get(availFreqMapKey);
+        if (availFreqMaps != null && availFreqMaps.getFreqMap() != null) {
+            int intWlNumber = wavelengthNumber.intValue();
+            if (intWlNumber > 0 && intWlNumber <= availFreqMaps.getFreqMap().length) {
+                availFreqMaps.getFreqMap()[intWlNumber - 1] = slotValue;
+            }
+        }
+        return availFreqMapsMap;
+    }
 }