3 * Initializes the database layer
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
8 * @license GNU GPL 3.0 or any newer version
10 * This program is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 // Initialize the layer
27 // Is the type defined?
28 if (!defined('_DB_TYPE')) {
30 ApplicationEntryPoint::app_die("[Main:] Please define a database type first!<br />
31 E.g.:<pre>$GLOBALS['cfg']->defineDatabaseType("local");</pre>
32 This will choose the local-file-based database type (layer)");
35 // Generate FQFN for the database layer
36 $INC = sprintf("%sinc/database/lib-%s%s", PATH, _DB_TYPE, FrameworkConfiguration::getInstance()->readConfig("php_extension"));
38 // Load the database layer include
39 if ((file_exists($INC)) && (is_file($INC)) && (is_readable($INC))) {
44 ApplicationEntryPoint::app_die(sprintf("[Main:] Database layer is missing! (%s) -> R.I.P.",
52 // Prepare database instance
54 $db = DatabaseConnection::createDatabaseConnection(DebugMiddleware::getInstance(), $layer);
55 } catch (NullPointerException $e) {
56 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
59 } catch (InvalidDirectoryResourceException $e) {
60 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
63 } catch (PathIsEmptyException $e) {
64 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
67 } catch (PathIsNoDirectoryException $e) {
68 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
71 } catch (PathReadProtectedException $e) {
72 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
75 } catch (DirPointerNotOpenedException $e) {
76 ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
81 // Datenbankobjekt debuggen
82 if (defined('DEBUG_DATABASE_OBJ')) {
83 DebugMiddleware::getInstance()->output(sprintf("Die Datenbank-Schicht sieht wie folgt aus:<br />