SE-226 drawANewUniqueID() added

SVN: 15207

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/server/EncapsulatedOpenBISService.java

@@ -513,6 +513,19 @@ public final class EncapsulatedOpenBISService implements IEncapsulatedOpenBISSer
         }
     }
 
+    synchronized public long drawANewUniqueID()
+    {
+        checkSessionToken();
+        try
+        {
+            return service.drawANewUniqueID(sessionToken);
+        } catch (final InvalidSessionException ex)
+        {
+            authenticate();
+            return service.drawANewUniqueID(sessionToken);
+        }
+    }
+
     synchronized public ExternalData tryGetDataSet(String sToken, String dataSetCode)
             throws UserFailureException
     {

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

@@ -147,6 +147,12 @@ public interface IEncapsulatedOpenBISService
      * Creates and returns a unique code for a new data set.
      */
     public String createDataSetCode();
+    
+    /**
+     * Creates a new unique ID which can be used to create codes which are guaranteed to be
+     * unique.
+     */
+    public long drawANewUniqueID();
 
     /**
      * Returns the version of the service.