Merge branch 'feat/scala_mode' into spark_35

Author: LIN-Yu-Ting

src/main/java/com/atgenomix/seqslab/piper/plugin/api/executor/SupportsScalaLocalization.java

@@ -0,0 +1,22 @@
+package com.atgenomix.seqslab.piper.plugin.api.executor;
+
+import com.atgenomix.seqslab.piper.tags.DeveloperApi;
+import com.atgenomix.seqslab.piper.tags.FeatureAfterCall;
+import com.atgenomix.seqslab.piper.tags.FeatureBeforeCall;
+import org.apache.spark.sql.Dataset;
+import org.apache.spark.sql.Row;
+import org.apache.spark.sql.api.java.UDF1;
+
+/**
+ * A mix-in interface for {@link Executor}. Executors can implement this interface to support DataFrame preprocessing
+ * for Scala command execution.
+ *
+ * Executors implementing this mix-in interface is a user-defined function (UDF) that takes a DataFrame as an input
+ * parameter and returns a new DataFrame.
+ * This feature is invoked before and after applying Executor's call function.
+ */
+@DeveloperApi
+@FeatureBeforeCall
+@FeatureAfterCall
+public interface SupportsScalaLocalization extends Executor, UDF1<Dataset<Row>, Dataset<Row>> {
+}