add null checks

Author: baltzell

common-tools/clas-analysis/src/main/java/org/jlab/analysis/postprocess/Processor.java

@@ -200,11 +200,14 @@ private void processEventScalers(Bank runcfg, Bank recevt) {
      */
     private void processEventUnix(Event event, Bank runcfg) {
         if (runcfg.getRows() > 0) {
-            Integer unix = eventUnix.get(eventUnix.floorKey(runcfg.getInt("event",0)));
-            if (unix != null) {
-                event.remove(runcfg.getSchema());
-                runcfg.putInt("unixtime", 0, unix);
-                event.write(runcfg);
+            Integer key =  eventUnix.floorKey(runcfg.getInt("event",0));
+            if (key != null) {
+                Integer unix = eventUnix.get(key);
+                if (unix != null) {
+                    event.remove(runcfg.getSchema());
+                    runcfg.putInt("unixtime", 0, unix);
+                    event.write(runcfg);
+                }
             }
         }
     }

common-tools/clas-analysis/src/main/java/org/jlab/analysis/postprocess/Tag1ToEvent.java

@@ -154,11 +154,14 @@ public static void main(String[] args) {
                     // Update RUN::config.unixtime:
                     if (runConfigBank.getRows() > 0) {
                         int evno = runConfigBank.getByte("event", 0);
-                        Integer unix = eventUnix.get(eventUnix.floorKey(evno));
-                        if (unix != null) {
-                            event.remove(runConfigBank.getSchema());
-                            runConfigBank.putInt("unixtime", 0, unix);
-                            event.write(runConfigBank);
+                        Integer key = eventUnix.floorKey(evno);
+                        if (key != null) {
+                            Integer unix = eventUnix.get(key);
+                            if (unix != null) {
+                                event.remove(runConfigBank.getSchema());
+                                runConfigBank.putInt("unixtime", 0, unix);
+                                event.write(runConfigBank);
+                            }
                         }
                     }