ALS-4461: Add main args validation

hms-dbmi · Aug 21, 2023 · 3bb4fe0 · 3bb4fe0
1 parent 93c5a17
commit 3bb4fe0
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/...main/java/edu/harvard/hms/dbmi/avillach/hpds/etl/genotype/GenomicDatasetMergerRunner.java b/...main/java/edu/harvard/hms/dbmi/avillach/hpds/etl/genotype/GenomicDatasetMergerRunner.java
@@ -1,5 +1,6 @@
 package edu.harvard.hms.dbmi.avillach.hpds.etl.genotype;
 
+import com.google.common.base.Preconditions;
 import edu.harvard.hms.dbmi.avillach.hpds.data.genotype.FileBackedByteIndexedInfoStore;
 import edu.harvard.hms.dbmi.avillach.hpds.data.genotype.VariantMasks;
 import edu.harvard.hms.dbmi.avillach.hpds.data.genotype.VariantStore;
@@ -33,7 +34,9 @@ public class GenomicDatasetMergerRunner {
      * args[2]: output directory
      */
     public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {
-        // todo :validation
+        if (args.length != 3) {
+            throw new IllegalArgumentException("Three arguments must be provided: source directory 1, source directory 2, output directory");
+        }
         genomicDirectory1 = args[0];
         genomicDirectory2 = args[1];
         String outputDirectory = args[2];