add logs

Author: nabajyotiDash-hub

sor-api/src/main/java/com/bazaarvoice/emodb/sor/api/DataStore.java

@@ -266,6 +266,6 @@ URI getStashRoot()
      * This method is a no-op in the default implementation. It is used by the Databus to update the reference
      */
     default void updateRefInDatabus(List<String> updateRefs) {
-
+        System.out.println("Inside Default updateRefInDatabus");
     }
 }

sor/src/main/java/com/bazaarvoice/emodb/sor/core/DefaultDataStore.java

@@ -1047,6 +1047,7 @@ private String getMetricName(String name) {
 
     @Override
     public void updateRefInDatabus(List<String> updateRefsModel) {
+        _log.info("Started Writing to Databus in DefaultDataStore");
         try {
             List<UpdateRef> updateRefModelList = updateRefsModel.stream()
                     .map(string -> {

web/src/main/java/com/bazaarvoice/emodb/web/resources/sor/DataStoreResource1.java

@@ -945,8 +945,10 @@ private Response redirectTo(DataCenter dataCenter, URI requestUri) {
     )
     public SuccessResponse updateRefToDatabus(List<String> updateRefs,
                                               @Authenticated Subject subject) {
+        _log.info("Inside updateRefToDatabus datastore : {}", _dataStore.getClass().getName());
         // Perform the update by writing to Databus
         _dataStore.updateRefInDatabus(updateRefs);
+        _log.info("Finished updateRefToDatabus updateRefs : {}", updateRefs);
         return SuccessResponse.instance();
     }