Analytics: small changes

- When a unit cannot be built, UnitGenerator does not abort anymore;
error log messages are produced, and it proceeds with the next unit

analytics/includes/UnitGenerator.h

@@ -35,6 +35,7 @@
 #include "sensornavigator.h"
 #include "UnitTemplate.h"
 #include "mqttchecker.h"
+#include "logging.h"
 
 using namespace std;
 
@@ -215,9 +216,12 @@ public:
                 try {
                     unitObjects->push_back(_generateUnit(u, inputs, outputs, inputMode, mqttPrefix, relaxed));
                 } catch( const exception& e) {
-                    delete units;
-                    delete unitObjects;
-                    throw;
+                    //delete units;
+                    //delete unitObjects;
+                    //throw;
+                    LOG(error) << e.what();
+                    LOG(error) << "UnitGenerator: cannot build unit " << u << "!";
+                    continue;
                 }
             }
 
@@ -442,6 +446,9 @@ protected:
         return unPtr;
     }
 
+    // Logger object
+    boost::log::sources::severity_logger<boost::log::trivial::severity_level> lg;
+
     //Internal SensorNavigator object
     shared_ptr<SensorNavigator> _navi;
 

analytics/operators/persystsql/PerSystSqlConfigurator.h

@@ -43,7 +43,7 @@ private:
     void sensorBase(AggregatorSensorBase& s, CFG_VAL config) override;
     void operatorAttributes(PerSystSqlOperator& op, CFG_VAL config) override;
     bool unit(UnitTemplate<AggregatorSensorBase>& u) override;
-    bool readUnits(PerSystSqlOperator& op, std::vector<shared_ptr<AggregatorSensorBase>>& protoInputs, std::vector<shared_ptr<AggregatorSensorBase>>& protoOutputs, inputMode_t inputMode);
+    bool readUnits(PerSystSqlOperator& op, std::vector<shared_ptr<AggregatorSensorBase>>& protoInputs, std::vector<shared_ptr<AggregatorSensorBase>>& protoOutputs, inputMode_t inputMode) override;
 };
 
 extern "C" OperatorConfiguratorInterface* create() {