116 lines
3.9 KiB
PHP
116 lines
3.9 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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#namespace Doctrine::DBAL;
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/**
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* Factory for creating dbms-specific Connection instances.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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class Doctrine_DBAL_DriverManager
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{
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/**
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* List of supported drivers and their mappings to the driver class.
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*
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* @var array
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*/
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private $_drivers = array(
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'pdo_mysql' => 'Doctrine_DBAL_Driver_PDOMySql_Driver',
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'pdo_sqlite' => 'Doctrine_DBAL_Driver_PDOSqlite_Driver',
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'pdo_pgsql' => 'Doctrine_DBAL_Driver_PDOPgSql_Driver',
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'pdo_oracle' => 'Doctrine_DBAL_Driver_PDOOracle_Driver',
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'pdo_mssql' => 'Doctrine_DBAL_Driver_PDOMsSql_Driver',
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'pdo_firebird' => 'Doctrine_DBAL_Driver_PDOFirebird_Driver',
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'pdo_informix' => 'Doctrine_DBAL_Driver_PDOInformix_Driver',
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);
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public function __construct()
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{
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}
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/**
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* Creates a connection object with the specified parameters.
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*
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* @param array $params
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* @return Connection
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*/
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public function getConnection(array $params, Doctrine_Common_Configuration $config = null,
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Doctrine_Common_EventManager $eventManager = null)
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{
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// create default config and event manager, if not set
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if ( ! $config) {
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$config = new Doctrine_Common_Configuration();
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}
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if ( ! $eventManager) {
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$eventManager = new Doctrine_Common_EventManager();
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}
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// check for existing pdo object
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if (isset($params['pdo']) && ! $params['pdo'] instanceof PDO) {
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throw Doctrine_DBAL_Exceptions_DBALException::invalidPDOInstance();
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} else if (isset($params['pdo'])) {
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$params['driver'] = $params['pdo']->getAttribute(PDO::ATTR_DRIVER_NAME);
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} else {
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$this->_checkParams($params);
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}
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if (isset($params['driverClass'])) {
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$className = $params['driverClass'];
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} else {
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$className = $this->_drivers[$params['driver']];
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}
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$driver = new $className();
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$wrapperClass = 'Doctrine_DBAL_Connection';
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if (isset($params['wrapperClass'])) {
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$wrapperClass = $params['wrapperClass'];
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}
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return new $wrapperClass($params, $driver, $config, $eventManager);
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}
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/**
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* Checks the list of parameters.
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*
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* @param array $params
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*/
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private function _checkParams(array $params)
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{
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// check existance of mandatory parameters
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// driver
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if ( ! isset($params['driver']) && ! isset($params['driverClass'])) {
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throw Doctrine_ConnectionFactory_Exception::driverRequired();
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}
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// check validity of parameters
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// driver
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if ( isset($params['driver']) && ! isset($this->_drivers[$params['driver']])) {
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throw Doctrine_DBAL_Exceptions_DBALException::unknownDriver($params['driver']);
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}
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}
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}
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?>
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