@Override public final boolean deleteUserAccount(final UserAccount userAccount) { if (userAccount == null) { throw new IllegalArgumentException("The passed user account was null."); } final RowDeletor deletor = connectionPool.createRowDeletor(); final String userid = userAccount.getId(); final String username = userAccount.getUsername(); deletor.deleteRow(COLUMN_FAMILY_USER, userid, CONSISTENCY_LEVEL_WRITE); deletor.deleteRow(COLUMN_FAMILY_USERNAME, username, CONSISTENCY_LEVEL_WRITE); return true; }