Metacat

    		// make sure to remove the mapping so that subsequent attempts do not fail with IdentifierNotUnique

    		im.removeMapping(pid.getValue(), localId);

     * remove a mapping in the identifier table

     * @param guid

     * @param localId

     */

    public void removeMapping(String guid, String localId)

    {        

        int serialNumber = -1;

        DBConnection dbConn = null;

        try {

            // Parse the localId into scope and rev parts

            AccessionNumber acc = new AccessionNumber(localId, "NOACTION");

            String docid = acc.getDocid();

            int rev = 1;

            if (acc.getRev() != null) {

              rev = (new Integer(acc.getRev()).intValue());

            }

            // Get a database connection from the pool

            dbConn = DBConnectionPool.getDBConnection("IdentifierManager.removeMapping");

            serialNumber = dbConn.getCheckOutSerialNumber();

            // Execute the insert statement

            String query = "DELETE FROM " + TYPE_IDENTIFIER + " WHERE guid = ? AND docid = ? AND rev = ?";

            PreparedStatement stmt = dbConn.prepareStatement(query);

            stmt.setString(1, guid);

            stmt.setString(2, docid);

            stmt.setInt(3, rev);

            logMetacat.debug("remove mapping query: " + stmt.toString());

            int rows = stmt.executeUpdate();

            stmt.close();

        } catch (SQLException e) {

            e.printStackTrace();

            logMetacat.error("removeMapping: SQL error while removing a mapping to the " + TYPE_IDENTIFIER + " identifier: " 

                    + e.getMessage());

        } catch (NumberFormatException e) {

            e.printStackTrace();

            logMetacat.error("removeMapping: NumberFormat error while removing a mapping to the " + TYPE_IDENTIFIER + " identifier: " 

                    + e.getMessage());

        } catch (AccessionNumberException e) {

            e.printStackTrace();

            logMetacat.error("removeMapping: AccessionNumber error while removing a mapping to the " + TYPE_IDENTIFIER + " identifier: " 

                    + e.getMessage());

        } finally {

            // Return database connection to the pool

            DBConnectionPool.returnDBConnection(dbConn, serialNumber);

        }

    }

    /**