Added "context.commit()" method to allow mid-context commits.

git-svn-id: http://scm.dspace.org/svn/repo/trunk@486 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace/src/org/dspace/core/Context.java

@@ -224,6 +224,22 @@ public class Context
     }
     
 
+    /**
+     * Commit any transaction that is currently in progress, but do not
+     * close the context.
+     *
+     * @exception SQLException
+     *     if there was an error completing the database transaction or closing
+     *     the connection
+     */
+    public void commit()
+        throws SQLException
+    {
+        // Commit any changes made as part of the transaction
+       connection.commit();
+    }
+    
+    
     /**
      * Close the context, without committing any of the changes performed using
      * this context.  The database connection is freed.  No exception is thrown