Avoid nullpointer exception on starting up the TopologyProvider and the InventorReadA...

[controller.git] / opendaylight / md-sal / compatibility / sal-compatibility / src / main / java / org / opendaylight / controller / sal / compatibility / topology / TopologyProvider.xtend

diff --git a/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyProvider.xtend b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyProvider.xtend
index 3df826e36e01a485352c1301d6b8311350b2e260..4aef75d9916565dc20c3c18a87149669116f4753 100644 (file)
--- a/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyProvider.xtend
+++ b/opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/topology/TopologyProvider.xtend
@@ -31,8 +31,15 @@ class TopologyProvider implements AutoCloseable{
     DataProviderService dataService;
     
     Registration<DataCommitHandler<InstanceIdentifier<? extends DataObject>,DataObject>> commitHandlerRegistration;
-    
+
     def void start() {
+
+    }
+    def void startAdapter() {
+        if(dataService == null){
+            LOG.error("dataService not set");
+            return;
+        }
         commitHandler = new TopologyCommitHandler(dataService)
         commitHandler.setTopologyPublisher(topologyPublisher)
         val InstanceIdentifier<? extends DataObject> path = InstanceIdentifier.builder(NetworkTopology)
@@ -49,7 +56,9 @@ class TopologyProvider implements AutoCloseable{
     
     def setTopologyPublisher(IPluginOutTopologyService topologyPublisher) {
         _topologyPublisher = topologyPublisher;
-        commitHandler.setTopologyPublisher(topologyPublisher);
+        if(commitHandler != null){
+            commitHandler.setTopologyPublisher(topologyPublisher);
+        }
     }
     
 }