/* return status codes for account/device */ public static int[] getStatusCodes(String accountID, String deviceID) throws DBException { /* account-id specified? */ if (StringTools.isBlank(accountID)) { return new int[0]; } /* device-id specified? */ if (StringTools.isBlank(deviceID)) { deviceID = ALL_DEVICES; } /* select */ // DBSelect: SELECT statucCode FROM StatusCode WHERE (accountID='acct') AND (deviceID='*') ORDER // BY statucCode DBSelect<StatusCode> dsel = new DBSelect<StatusCode>(StatusCode.getFactory()); dsel.setSelectedFields(StatusCode.FLD_statusCode); DBWhere dwh = dsel.createDBWhere(); dsel.setWhere( dwh.WHERE_( dwh.AND( dwh.EQ(StatusCode.FLD_accountID, accountID), dwh.EQ(StatusCode.FLD_deviceID, deviceID)))); dsel.setOrderByFields(StatusCode.FLD_statusCode); /* get list */ java.util.List<Integer> codeList = new Vector<Integer>(); Statement stmt = null; ResultSet rs = null; try { stmt = DBConnection.getDefaultConnection().execute(dsel.toString()); rs = stmt.getResultSet(); while (rs.next()) { int code = rs.getInt(StatusCode.FLD_statusCode); codeList.add(new Integer(code)); } } catch (SQLException sqe) { throw new DBException("Getting StatusCode List", sqe); } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } } /* return array of status codes */ int codeListInt[] = new int[codeList.size()]; for (int i = 0; i < codeListInt.length; i++) { codeListInt[i] = codeList.get(i).intValue(); } return codeListInt; }
/* return list of all Devices within the specified DeviceGroup (NOT SCALABLE BEYOND A FEW HUNDRED GROUPS) */ public static java.util.List<String> getUsersForGroup(String acctId, String groupId) throws DBException { /* valid account/groupId? */ if (StringTools.isBlank(acctId)) { return null; } else if (StringTools.isBlank(groupId)) { return null; } /* get db selector */ DBSelect dsel = GroupList._getUserListSelect(acctId, groupId); if (dsel == null) { return null; } /* read users for group */ java.util.List<String> usrList = new Vector<String>(); DBConnection dbc = null; Statement stmt = null; ResultSet rs = null; try { dbc = DBConnection.getDefaultConnection(); stmt = dbc.execute(dsel.toString()); rs = stmt.getResultSet(); while (rs.next()) { String usrId = rs.getString(GroupList.FLD_userID); usrList.add(usrId); } } catch (SQLException sqe) { throw new DBException("Get Group GroupeList", sqe); } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } DBConnection.release(dbc); } /* return list */ return usrList; }
/** * ** Deletes the record corresponding to the Primary Key of thie DBRecordKey. ** @param * altIndexName The alternate index name, or null to delete the primary index ** @param * whereKeyType WHERE key type: Full, PartialFirst, PartialAll */ protected void _delete(String altIndexName, int whereKeyType) // boolean fullKeyReq) throws SQLException, DBException { // DBDelete: DELETE FROM <table> WHERE <where> DBDelete ddel = new DBDelete(this.getFactory()); ddel.setWhere(this._getWhereClause(altIndexName, whereKeyType)); // Print.logInfo("DBDelete: " + ddel); DBConnection dbc = null; try { dbc = DBConnection.getDefaultConnection(); dbc.executeUpdate(ddel.toString()); } finally { DBConnection.release(dbc); } }
/** * ** Returns true if the specified key attribute exists in the table ** @param altIndexName The * alternate index name, or null to use the primary index ** @param whereKeyType The partial key * match type ** @return True if the specified key attribute exists in the table, false otherwise */ protected boolean _exists(String altIndexName, int whereKeyType) throws SQLException, DBException { /* key fields */ boolean usePrimaryKey = StringTools.isBlank(altIndexName); DBField kfld[] = usePrimaryKey ? this.getKeyFields() : this.getAltKeyFields(altIndexName); if (ListTools.isEmpty(kfld)) { throw new DBException("No keys found!"); } /* check last key for "auto_increment" */ if (whereKeyType == DBWhere.KEY_FULL) { DBField lastField = kfld[kfld.length - 1]; if (lastField.isAutoIncrement() && !this.getFieldValues().hasFieldValue(lastField.getName())) { // full key requested and last key is auto_increment, which is missing return false; } } // DBSelect: SELECT <Keys> FROM <TableName> <KeyWhere> String firstKey = kfld[0].getName(); DBSelect<gDBR> dsel = new DBSelect<gDBR>(this.getFactory()); dsel.setSelectedFields(firstKey); dsel.setWhere(this._getWhereClause(altIndexName, whereKeyType)); /* get keyed record */ DBConnection dbc = null; Statement stmt = null; ResultSet rs = null; boolean exists = false; try { dbc = DBConnection.getDefaultConnection(); stmt = dbc.execute(dsel.toString()); // may throw DBException rs = stmt.getResultSet(); exists = rs.next(); } catch (SQLException sqe) { if (sqe.getErrorCode() == DBFactory.SQLERR_TABLE_NOTLOCKED) { // MySQL: This case has been seen on rare occasions. Not sure what causes it. Print.logError("SQL Lock Error: " + sqe); Print.logError("Hackery! Forcing lock on table: " + this.getTableName()); if (DBProvider.lockTableForRead(this.getTableName(), true)) { // may throw DBException stmt = dbc.execute(dsel.toString()); // may throw SQLException, DBException rs = stmt.getResultSet(); // SQLException exists = rs.next(); // SQLException DBProvider.unlockTables(); // DBException } } else { throw sqe; } } finally { if (rs != null) { try { rs.close(); } catch (Throwable t) { } } if (stmt != null) { try { stmt.close(); } catch (Throwable t) { } } DBConnection.release(dbc); } return exists; }