Fix naming logic for output of super cycle

Closes CSSTDUIO-2215

src/main/java/eu/ess/icssoftware/supercycletool/service/service/SuperCycleServiceImpl.java

@@ -91,7 +91,7 @@ public class SuperCycleServiceImpl implements SuperCycleService {
         double aMax = 0.0;
         double bMax = 0.0;
         double cMax = 0.0;
-        double x;
+        double x = 0;
         long a = 0;
 
         for (SuperCycleDataRow row : longSuperCycle.getData_rows()) {
@@ -102,7 +102,7 @@ public class SuperCycleServiceImpl implements SuperCycleService {
                 }
                 Cycle cycle = cycleOptional.get();
                 cycleList.add(cycle);
-                if (cycle.getMagnetronPulseLength()  != null && cycle.getMagnetronPulseLength() > aMax) {
+                if (cycle.getMagnetronPulseLength() != null && cycle.getMagnetronPulseLength() > aMax) {
                     aMax = cycle.getMagnetronPulseLength();
                 }
                 if (cycle.getLebtChopperPulseLength() != null && cycle.getLebtChopperPulseLength() > bMax) {
@@ -111,7 +111,7 @@ public class SuperCycleServiceImpl implements SuperCycleService {
                 if (cycle.getPulseLength() != null && cycle.getPulseLength() > cMax) {
                     cMax = cycle.getPulseLength();
                 }
-                if(cycle.getEvent("IonMagSt").getValue() > 0){
+                if (cycle.getEvent("IonMagSt") != null && cycle.getEvent("IonMagSt").getValue() > 0) {
                     a++;
                 }
             }
@@ -130,7 +130,9 @@ public class SuperCycleServiceImpl implements SuperCycleService {
             cMax = Math.round(cMax * 1000.0) / 1000.0;
 
         } else {
-            throw new SuperCycleServiceException("Cannot find frequency for the provided event IonMagSt. It is not found within the super cycle.");
+            aMax = 0.0;
+            bMax = 0.0;
+            cMax = 0.0;
         }
 
         String description = "";