docs: private void primAdd(IEntityLock lock, Connection conn) throws SQLException, LockingException {
          Integer typeID =
                  EntityTypesLocator.getEntityTypes().getEntityIDFromType(lock.getEntityType());
          String key = lock.getEntityKey();
          int lockType = lock.getLockType();
          Timestamp ts = new Timestamp(lock.getExpirationTime().getTime());
          String owner = lock.getLockOwner();
  
          try {
              PreparedStatement ps = conn.prepareStatement(getAddSql());
              try {
                  ps.setInt(1, typeID.intValue()); // entity type
                  ps.setString(2, key); // entity key
                  ps.setInt(3, lockType); // lock type
                  ps.setTimestamp(4, ts); // lock expiration
                  ps.setString(5, owner); // lock owner
  
                  if (log.isDebugEnabled()) log.debug("RDBMEntityLockStore.primAdd(): " + ps);
  
                  int rc = ps.executeUpdate();
                  if (rc != 1) {
                      String errString = "Problem adding " + lock;
                      log.error(errString);
                      throw new LockingException(errString);
                  }
              } finally {
                  if (ps != null) ps.close();
              }
          } catch (java.sql.SQLException sqle) {
              log.error(sqle, sqle);
              throw sqle;
          }
      }