WIP

src/ecmcDAQChannelItem.h

@@ -229,17 +229,24 @@ class ecmcDAQChannelItem {
     return data;
   }
 
-
   /* Returns true if all data have been retruned with getData().
   */
   bool   empty(){
     return dataIndexToReturn_ >= dataElementCount_;
   }
 
-  size_t   getDataElementCount(){ 
+  size_t getDataElementCount(){ 
     return dataElementCount_;
   }
 
+  int validate() { 
+    if(dataElementCount_==0) {
+      throw std::runtime_error("Error: DAQ-data item element count 0");
+    }
+    return 0;
+  }
+
+
   ecmcDataItem* dataItem_;
   ecmcDataItemInfo* dataItemInfo_;
   std::string name_;