X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fcompatibility%2Fsal-compatibility%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fcompatibility%2Ftopology%2FTopologyMapping.xtend;h=9a19e104173d11a41d449e450e5d7bb3f43e092f;hp=cd4b8180374c4f2e2db80be70c71a33afe48ea0d;hb=8ccb61090ae30c7ea750b606034016c248d90f80;hpb=7bea173bf1c3c27d5fa366b25a0f83879105c56d

diff --git a/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.xtend b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.xtend
index cd4b818037..9a19e10417 100644
--- a/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.xtend
+++ b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyMapping.xtend
@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.controller.sal.compatibility.topology
 
 import com.google.common.collect.FluentIterable
@@ -20,9 +27,10 @@ import static extension org.opendaylight.controller.sal.compatibility.NodeMappin
 import org.opendaylight.controller.md.sal.binding.util.TypeSafeDataReader
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector
+import org.slf4j.LoggerFactory
 
 class TopologyMapping {
-    
+    private static val LOG = LoggerFactory.getLogger(TopologyMapping);
     private new() {
         throw new UnsupportedOperationException("Utility class. Instantiation is not allowed.");
     }
@@ -47,7 +55,20 @@ class TopologyMapping {
     }
     
     public static def toAdEdgeProperties(Edge e,TypeSafeDataReader reader) {
-        val nc = reader.readOperationalData(e.tailNodeConnector.toNodeConnectorRef.value as InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>)
+        val ncref = e.tailNodeConnector.toNodeConnectorRef
+        if(ncref == null) {
+            LOG.debug("Edge {} ncref {}",e,ncref)
+            return null;
+        }
+        val ncInstanceId = (ncref.value as InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector>)
+        if(ncInstanceId == null) {
+            LOG.debug("Edge {} ncref {}",e,ncref)
+            return null;
+        }
+        val nc = reader.readOperationalData(ncInstanceId)
+        if(nc == null) {
+            return null;
+        }
         return nc.toADNodeConnectorProperties     
     }
     
@@ -68,4 +89,4 @@ class TopologyMapping {
         checkNotNull(nodeId);
         return new Node(MD_SAL_TYPE,nodeId.toADNodeId);       
     }
-}
\ No newline at end of file
+}