Use logger for timings (IFF enabled)

Author: blootsvoets

src/main/java/org/radarbase/hdfs/Application.kt

@@ -130,8 +130,10 @@ class Application(override val config: RestructureConfig) : FileStoreFactory {
             logger.error("Processing interrupted")
         } finally {
             // Print timings and reset the timings for the next iteration.
-            println(Timer)
-            Timer.reset()
+            if (Timer.isEnabled) {
+                logger.info("{}", Timer)
+                Timer.reset()
+            }
         }
     }
 

src/main/java/org/radarbase/hdfs/util/Timer.kt

@@ -44,6 +44,7 @@ object Timer {
                     Runtime.getRuntime().addShutdownHook(shutdownHook)
                 } else {
                     Runtime.getRuntime().removeShutdownHook(shutdownHook)
+                    times.clear()
                 }
             }
             field = value