SE-136 yeastx: ignore folders without tsv files

SVN: 12323

rtd_yeastx/source/java/ch/systemsx/cisd/yeastx/etl/BatchDataSetHandler.java

@@ -240,6 +240,10 @@ public class BatchDataSetHandler implements IDataSetHandler
         {
             return false;
         }
+        if (DatasetMappingUtil.isMappingFilePresent(batchDir) == false)
+        {
+            return false;
+        }
         List<File> files = listAll(batchDir);
         // Do not treat empty directories as faulty.
         // The other reason of this check is that this handler is sometimes no able to delete

rtd_yeastx/source/java/ch/systemsx/cisd/yeastx/etl/DatasetMappingUtil.java

@@ -203,6 +203,13 @@ class DatasetMappingUtil
         return false;
     }
 
+    /** @return false if no potential mapping files exist in the specified directory */
+    public static boolean isMappingFilePresent(File batchDir)
+    {
+        List<File> potentialMappingFiles = listPotentialMappingFiles(batchDir);
+        return potentialMappingFiles.size() > 0;
+    }
+
     private static File tryGetMappingFile(File batchDir, LogUtils log)
     {
         List<File> potentialMappingFiles = listPotentialMappingFiles(batchDir);