add query start time to the interpret method (#5)

Author: elliVM

src/main/java/com/teragrep/pth_15/DPLExecutor.java

@@ -49,6 +49,7 @@
 import org.apache.spark.sql.Row;
 import org.apache.spark.sql.SparkSession;
 
+import java.time.ZonedDateTime;
 import java.util.concurrent.TimeoutException;
 import java.util.function.BiConsumer;
 
@@ -60,7 +61,8 @@ public DPLExecutorResult interpret(
             String queryId,
             String noteId,
             String paragraphId,
-            String lines
+            String lines,
+            ZonedDateTime startTime
     ) throws TimeoutException;
 
     public abstract void stop() throws TimeoutException;

src/test/java/com/teragrep/pth_15/DPLExecutorTestImpl.java

@@ -50,6 +50,7 @@
 import org.apache.spark.sql.Row;
 import org.apache.spark.sql.SparkSession;
 
+import java.time.ZonedDateTime;
 import java.util.concurrent.TimeoutException;
 import java.util.function.BiConsumer;
 
@@ -65,7 +66,8 @@ public DPLExecutorResult interpret(
             String queryId,
             String noteId,
             String paragraphId,
-            String lines
+            String lines,
+            ZonedDateTime startTime
     ) throws TimeoutException {
         throw new UnsupportedOperationException("Not supported.");
     }