+++ /dev/null
-<?php
-/**
- * Database selector class
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class DatabaseConnection extends BaseMiddleware implements DatabaseConnector, Registerable {
- /**
- * Array for connection data
- */
- private $connectData = array(
- 'login' => "",
- 'pass' => "",
- 'dbase' => "",
- 'host' => ""
- );
-
- // The real database layer
- private $dbLayer = null;
-
- // An instance of this class
- private static $thisInstance = null;
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct() {
- // Call parent constructor
- parent::__construct(__CLASS__);
- }
-
- // Create new database connection layer
- public final static function createDatabaseConnection (DebugMiddleware $debugInstance, DatabaseFrontendInterface $dbLayer) {
- // Get instance
- $dbInstance = new DatabaseConnection();
-
- // Set debug output handler
- $dbInstance->setDebugInstance($debugInstance);
-
- // Set database layer
- $dbInstance->setDatabaseLayer($dbLayer);
-
- // Set db instance
- self::$thisInstance = $dbInstance;
-
- // Return instance
- return $dbInstance;
- }
-
- // Get an instance of this class
- public final static function getInstance () {
- return self::$thisInstance;
- }
-
- // Public setter for database connection
- public final function setConnectionData ($login, $pass, $dbase, $host="localhost") {
- // Transfer connection data
- $this->connectData['login'] = (string) $login;
- $this->connectData['pass'] = (string) $pass;
- $this->connectData['dbase'] = (string) $dbase;
- $this->connectData['host'] = (string) $host;
- }
-
- /**
- * Getter for connection data
- *
- * @return $connectData Connection data stored with this clas
- */
- public final function getConnectionData () {
- return $this->connectData;
- }
-
- /**
- * Setter for the real database layer
- * @param $dbLayer An instance of the real database layer
- * @return void
- */
- public final function setDatabaseLayer (DatabaseFrontendInterface $dbLayer) {
- $this->dbLayer = $dbLayer;
- }
-
- /**
- * Getter for index key
- *
- * @return $indexKey Index key
- */
- public final function getIndexKey () {
- return $this->dbLayer->getIndexKey();
- }
-
- /**
- * Runs a "select" statement on the database layer with given table name
- * and criteria. If this doesn't fail the result will be returned
- *
- * @param $tableName Name of the "table" we shall query
- * @param $criteriaInstance An instance of a Criteria class
- * @return $result The result as an array
- */
- public function doSelectByTableCriteria ($tableName, Criteria $criteriaInstance) {
- // Connect to the database
- $this->dbLayer->connectToDatabase();
-
- // Get result from query
- $result = $this->dbLayer->querySelect("array", $tableName, $criteriaInstance);
-
- // Return the result
- return $result;
- }
-
- /**
- * Getter for last exception
- *
- * @return $exceptionInstance Last thrown exception
- */
- public final function getLastException () {
- $exceptionInstance = $this->dbLayer->getLastException();
- return $exceptionInstance;
- }
-
- /**
- * "Inserts" a data set instance into a local file database folder
- *
- * @param $dataSetInstance A storeable data set
- * @return void
- */
- public function queryInsertDataSet (StoreableCriteria $dataSetInstance) {
- // Connect to the database
- $this->dbLayer->connectToDatabase();
-
- // Ask the database layer
- $this->dbLayer->queryInsertDataSet($dataSetInstance);
- }
-
- /**
- * "Updates" a data set instance with a database layer
- *
- * @param $dataSetInstance A storeable data set
- * @return void
- */
- public function queryUpdateDataSet (StoreableCriteria $dataSetInstance) {
- // Connect to the database
- $this->dbLayer->connectToDatabase();
-
- // Ask the database layer
- $this->dbLayer->queryUpdateDataSet($dataSetInstance);
- }
-
- /**
- * Getter for primary key column of specified table name
- *
- * @param $tableName Name of table we need the primary key column from
- * @return $primaryKey Primary key column of requested table
- */
- public function getPrimaryKeyOfTable ($tableName) {
- // Connect to the database
- $this->dbLayer->connectToDatabase();
-
- // Ask the database layer
- $primaryKey = $this->dbLayer->getPrimaryKeyOfTable($tableName);
-
- // Return the value
- return $primaryKey;
- }
-}
-
-// [EOF]
-?>
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