SSDM-2421: Declaring inner class ImageUtil.ReaderAndFileHandler as private....

SSDM-2421: Declaring inner class ImageUtil.ReaderAndFileHandler as private. Fixing bug in ImagingDataSetRegistrationTransaction.close().

SVN: 34640

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/utils/ImageUtil.java

@@ -475,7 +475,7 @@ public class ImageUtil
 
     }
 
-    static class ReaderAndFileHandler
+    private static class ReaderAndFileHandler
     {
         private IImageReader imageReader;
 
@@ -514,11 +514,6 @@ public class ImageUtil
             imageReader.close();
         }
 
-        @Override
-        protected void finalize() throws Throwable
-        {
-        }
-
         void setImageReader(IImageReader imageReader)
         {
             this.imageReader = imageReader;

screening/source/java/ch/systemsx/cisd/openbis/dss/etl/jython/v2/ImagingDataSetRegistrationTransaction.java

@@ -127,6 +127,7 @@ public class ImagingDataSetRegistrationTransaction extends DataSetRegistrationTr
     {
         ImageUtil.closeSession(Thread.currentThread().getName());
         ImageUtil.setThreadLocalSessionId(null);
+        super.close();
     }
 
     public JythonPlateDatasetFactory getFactory()