fix style issues

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>

src/main/scala/ch/memobase/App.scala

@@ -31,6 +31,7 @@ object App extends scala.App with Logging {
 
   val topology = new KafkaTopology
   val streams = new KafkaStreams(topology.build(), SettingsFromFile.getKafkaStreamsSettings)
+  val shutdownGracePeriodMs = 10000
 
   logger.trace("Starting stream processing")
   Try(
@@ -41,6 +42,6 @@ object App extends scala.App with Logging {
   }
 
   sys.ShutdownHookThread {
-    streams.close(Duration.ofSeconds(10))
+    streams.close(Duration.ofMillis(shutdownGracePeriodMs))
   }
 }

src/main/scala/ch/memobase/Messages.scala

@@ -24,8 +24,9 @@ import upickle.default.{Reader, macroRW}
 
 /**
  * Terminates a Kafka service when sent downstream
+ *
  * @param processId Id of import process
- * @param jobName Name of job inside process
+ * @param jobName   Name of job inside process
  */
 case class ServiceTermination(processId: String, jobName: String) {
   override def toString: String = s"""{"action":"termination","processId":"$processId","job-name":"$jobName"}"""
@@ -34,8 +35,8 @@ case class ServiceTermination(processId: String, jobName: String) {
 // FIXME: Can eventually be removed
 /**
  *
- * @param id Record id
- * @param status Processing result; either SUCCESS or FAILURE
+ * @param id      Record id
+ * @param status  Processing result; either SUCCESS or FAILURE
  * @param message Message in case of error
  */
 case class ServiceReport(id: String, status: String, message: String)
@@ -43,6 +44,7 @@ case class ServiceReport(id: String, status: String, message: String)
 object ServiceReport {
 
   implicit val reader: Reader[ServiceReport] = macroRW
+
   def apply(msg: String): ServiceReport = {
     val json = upickle.default.read[ServiceReport](msg)
     new ServiceReport(json.id, json.status, json.message)
@@ -51,8 +53,9 @@ object ServiceReport {
 
 /**
  * Declares the size of a data set to be expected by a job in an import process
- * @param processId Id of import process
- * @param jobName Name of job inside process
+ *
+ * @param processId   Id of import process
+ * @param jobName     Name of job inside process
  * @param dataSetSize Size of data set
  */
 case class DataSetSize(processId: String, jobName: String, dataSetSize: Long)
@@ -60,8 +63,9 @@ case class DataSetSize(processId: String, jobName: String, dataSetSize: Long)
 object DataSetSize {
 
   implicit val reader: Reader[DataSetSize] = macroRW
+
   def apply(msg: String): DataSetSize = {
     val json = upickle.default.read[DataSetSize](msg)
     new DataSetSize(json.processId, json.jobName, json.dataSetSize)
   }
-}
\ No newline at end of file
+}