707 lines
24 KiB
PHP
707 lines
24 KiB
PHP
<?php
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/*
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* $Id: Manager.php 5457 2009-02-03 03:55:57Z jwage $
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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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/**
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*
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* Doctrine_Manager is the base component of all doctrine based projects.
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* It opens and keeps track of all connections (database connections).
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*
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* @package Doctrine
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* @subpackage Manager
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.org
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* @since 1.0
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* @version $Revision: 5457 $
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Manager extends Doctrine_Configurable implements Countable, IteratorAggregate
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{
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/**
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* @var array $connections an array containing all the opened connections
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*/
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protected $_connections = array();
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/**
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* @var array $bound an array containing all components that have a bound connection
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*/
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protected $_bound = array();
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/**
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* @var integer $index the incremented index
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*/
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protected $_index = 0;
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/**
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* @var integer $currIndex the current connection index
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*/
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protected $_currIndex = 0;
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/**
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* @var Doctrine_Query_Registry the query registry
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*/
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protected $_queryRegistry;
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/**
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* @var array Array of registered validators
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*/
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protected $_validators = array();
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/**
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* @var boolean Whether or not the validators from disk have been loaded
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*/
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protected $_loadedValidatorsFromDisk = false;
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/**
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* constructor
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*
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* this is private constructor (use getInstance to get an instance of this class)
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*/
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private function __construct()
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{
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Doctrine_Locator_Injectable::initNullObject(new Doctrine_Null);
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}
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/**
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* setDefaultAttributes
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* sets default attributes
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*
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* @todo I do not understand the flow here. Explain or refactor?
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* @return boolean
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*/
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public function setDefaultAttributes()
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{
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static $init = false;
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if ( ! $init) {
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$init = true;
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$attributes = array(
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Doctrine::ATTR_CACHE => null,
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Doctrine::ATTR_RESULT_CACHE => null,
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Doctrine::ATTR_QUERY_CACHE => null,
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Doctrine::ATTR_LOAD_REFERENCES => true,
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Doctrine::ATTR_LISTENER => new Doctrine_EventListener(),
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Doctrine::ATTR_RECORD_LISTENER => new Doctrine_Record_Listener(),
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Doctrine::ATTR_THROW_EXCEPTIONS => true,
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Doctrine::ATTR_VALIDATE => Doctrine::VALIDATE_NONE,
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Doctrine::ATTR_QUERY_LIMIT => Doctrine::LIMIT_RECORDS,
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Doctrine::ATTR_IDXNAME_FORMAT => "%s_idx",
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Doctrine::ATTR_SEQNAME_FORMAT => "%s_seq",
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Doctrine::ATTR_TBLNAME_FORMAT => "%s",
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Doctrine::ATTR_FKNAME_FORMAT => "%s",
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Doctrine::ATTR_QUOTE_IDENTIFIER => false,
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Doctrine::ATTR_SEQCOL_NAME => 'id',
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Doctrine::ATTR_PORTABILITY => Doctrine::PORTABILITY_NONE,
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Doctrine::ATTR_EXPORT => Doctrine::EXPORT_ALL,
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Doctrine::ATTR_DECIMAL_PLACES => 2,
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Doctrine::ATTR_DEFAULT_PARAM_NAMESPACE => 'doctrine',
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Doctrine::ATTR_AUTOLOAD_TABLE_CLASSES => false,
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Doctrine::ATTR_USE_DQL_CALLBACKS => false,
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Doctrine::ATTR_AUTO_ACCESSOR_OVERRIDE => false,
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Doctrine::ATTR_AUTO_FREE_QUERY_OBJECTS => false,
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Doctrine::ATTR_DEFAULT_IDENTIFIER_OPTIONS => array(),
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Doctrine::ATTR_DEFAULT_COLUMN_OPTIONS => array(),
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Doctrine::ATTR_HYDRATE_OVERWRITE => true
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);
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foreach ($attributes as $attribute => $value) {
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$old = $this->getAttribute($attribute);
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if ($old === null) {
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$this->setAttribute($attribute,$value);
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}
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}
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return true;
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}
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return false;
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}
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/**
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* Returns an instance of this class
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* (this class uses the singleton pattern)
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*
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* @return Doctrine_Manager
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*/
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public static function getInstance()
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{
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static $instance;
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if ( ! isset($instance)) {
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$instance = new self();
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}
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return $instance;
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}
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/**
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* Lazy-initializes the query registry object and returns it
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*
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* @return Doctrine_Query_Registry
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*/
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public function getQueryRegistry()
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{
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if ( ! isset($this->_queryRegistry)) {
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$this->_queryRegistry = new Doctrine_Query_Registry();
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}
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return $this->_queryRegistry;
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}
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/**
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* Sets the query registry
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*
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* @return Doctrine_Manager this object
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*/
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public function setQueryRegistry(Doctrine_Query_Registry $registry)
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{
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$this->_queryRegistry = $registry;
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return $this;
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}
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/**
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* Open a new connection. If the adapter parameter is set this method acts as
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* a short cut for Doctrine_Manager::getInstance()->openConnection($adapter, $name);
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*
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* if the adapter paramater is not set this method acts as
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* a short cut for Doctrine_Manager::getInstance()->getCurrentConnection()
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*
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* @param PDO|Doctrine_Adapter_Interface $adapter database driver
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* @param string $name name of the connection, if empty numeric key is used
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* @throws Doctrine_Manager_Exception if trying to bind a connection with an existing name
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* @return Doctrine_Connection
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*/
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public static function connection($adapter = null, $name = null)
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{
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if ($adapter == null) {
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return Doctrine_Manager::getInstance()->getCurrentConnection();
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} else {
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return Doctrine_Manager::getInstance()->openConnection($adapter, $name);
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}
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}
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/**
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* Opens a new connection and saves it to Doctrine_Manager->connections
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*
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* @param PDO|Doctrine_Adapter_Interface $adapter database driver
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* @param string $name name of the connection, if empty numeric key is used
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* @throws Doctrine_Manager_Exception if trying to bind a connection with an existing name
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* @throws Doctrine_Manager_Exception if trying to open connection for unknown driver
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* @return Doctrine_Connection
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*/
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public function openConnection($adapter, $name = null, $setCurrent = true)
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{
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if (is_object($adapter)) {
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if ( ! ($adapter instanceof PDO) && ! in_array('Doctrine_Adapter_Interface', class_implements($adapter))) {
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throw new Doctrine_Manager_Exception("First argument should be an instance of PDO or implement Doctrine_Adapter_Interface");
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}
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$driverName = $adapter->getAttribute(Doctrine::ATTR_DRIVER_NAME);
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} else if (is_array($adapter)) {
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if ( ! isset($adapter[0])) {
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throw new Doctrine_Manager_Exception('Empty data source name given.');
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}
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$e = explode(':', $adapter[0]);
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if ($e[0] == 'uri') {
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$e[0] = 'odbc';
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}
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$parts['dsn'] = $adapter[0];
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$parts['scheme'] = $e[0];
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$parts['user'] = (isset($adapter[1])) ? $adapter[1] : null;
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$parts['pass'] = (isset($adapter[2])) ? $adapter[2] : null;
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$driverName = $e[0];
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$adapter = $parts;
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} else {
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$parts = $this->parseDsn($adapter);
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$driverName = $parts['scheme'];
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$adapter = $parts;
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}
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// Decode adapter information
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if (is_array($adapter)) {
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foreach ($adapter as $key => $value) {
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$adapter[$key] = $value?urldecode($value):null;
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}
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}
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// initialize the default attributes
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$this->setDefaultAttributes();
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if ($name !== null) {
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$name = (string) $name;
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if (isset($this->_connections[$name])) {
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if ($setCurrent) {
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$this->_currIndex = $name;
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}
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return $this->_connections[$name];
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}
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} else {
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$name = $this->_index;
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$this->_index++;
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}
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$drivers = array('mysql' => 'Doctrine_Connection_Mysql',
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'sqlite' => 'Doctrine_Connection_Sqlite',
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'pgsql' => 'Doctrine_Connection_Pgsql',
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'oci' => 'Doctrine_Connection_Oracle',
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'oci8' => 'Doctrine_Connection_Oracle',
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'oracle' => 'Doctrine_Connection_Oracle',
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'mssql' => 'Doctrine_Connection_Mssql',
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'dblib' => 'Doctrine_Connection_Mssql',
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'odbc' => 'Doctrine_Connection_Mssql',
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'firebird' => 'Doctrine_Connection_Firebird',
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'informix' => 'Doctrine_Connection_Informix',
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'mock' => 'Doctrine_Connection_Mock');
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if ( ! isset($drivers[$driverName])) {
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throw new Doctrine_Manager_Exception('Unknown driver ' . $driverName);
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}
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$className = $drivers[$driverName];
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$conn = new $className($this, $adapter);
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$conn->setName($name);
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$this->_connections[$name] = $conn;
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if ($setCurrent) {
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$this->_currIndex = $name;
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}
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return $this->_connections[$name];
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}
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/**
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* Parse a pdo style dsn in to an array of parts
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*
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* @param array $dsn An array of dsn information
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* @return array The array parsed
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* @todo package:dbal
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*/
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public function parsePdoDsn($dsn)
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{
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$parts = array();
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$names = array('dsn', 'scheme', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment', 'unix_socket');
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foreach ($names as $name) {
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if ( ! isset($parts[$name])) {
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$parts[$name] = null;
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}
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}
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$e = explode(':', $dsn);
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$parts['scheme'] = $e[0];
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$parts['dsn'] = $dsn;
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$e = explode(';', $e[1]);
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foreach ($e as $string) {
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if ($string) {
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$e2 = explode('=', $string);
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if (isset($e2[0]) && isset($e2[1])) {
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list($key, $value) = $e2;
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$parts[$key] = $value;
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}
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}
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}
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return $parts;
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}
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/**
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* Build the blank dsn parts array used with parseDsn()
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*
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* @see parseDsn()
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* @param string $dsn
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* @return array $parts
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*/
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protected function _buildDsnPartsArray($dsn)
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{
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// fix sqlite dsn so that it will parse correctly
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$dsn = str_replace("////", "/", $dsn);
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$dsn = str_replace("\\", "/", $dsn);
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$dsn = preg_replace("/\/\/\/(.*):\//", "//$1:/", $dsn);
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// silence any warnings
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$parts = @parse_url($dsn);
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$names = array('dsn', 'scheme', 'host', 'port', 'user', 'pass', 'path', 'query', 'fragment', 'unix_socket');
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foreach ($names as $name) {
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if ( ! isset($parts[$name])) {
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$parts[$name] = null;
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}
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}
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if (count($parts) == 0 || ! isset($parts['scheme'])) {
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throw new Doctrine_Manager_Exception('Could not parse dsn');
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}
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return $parts;
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}
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/**
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* Parse a Doctrine style dsn string in to an array of parts
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*
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* @param string $dsn
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* @return array Parsed contents of DSN
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* @todo package:dbal
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*/
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public function parseDsn($dsn)
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{
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$parts = $this->_buildDsnPartsArray($dsn);
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switch ($parts['scheme']) {
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case 'sqlite':
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case 'sqlite2':
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case 'sqlite3':
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if (isset($parts['host']) && $parts['host'] == ':memory') {
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$parts['database'] = ':memory:';
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$parts['dsn'] = 'sqlite::memory:';
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} else {
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//fix windows dsn we have to add host: to path and set host to null
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if (isset($parts['host'])) {
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$parts['path'] = $parts['host'] . ":" . $parts["path"];
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$parts['host'] = null;
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}
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$parts['database'] = $parts['path'];
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$parts['dsn'] = $parts['scheme'] . ':' . $parts['path'];
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}
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break;
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case 'mssql':
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case 'dblib':
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if ( ! isset($parts['path']) || $parts['path'] == '/') {
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throw new Doctrine_Manager_Exception('No database available in data source name');
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}
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if (isset($parts['path'])) {
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$parts['database'] = substr($parts['path'], 1);
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}
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if ( ! isset($parts['host'])) {
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throw new Doctrine_Manager_Exception('No hostname set in data source name');
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}
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$parts['dsn'] = $parts['scheme'] . ':host='
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. $parts['host'] . (isset($parts['port']) ? ':' . $parts['port']:null) . ';dbname='
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. $parts['database'];
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break;
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case 'mysql':
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case 'informix':
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case 'oci8':
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case 'oci':
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case 'firebird':
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case 'pgsql':
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case 'odbc':
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case 'mock':
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case 'oracle':
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if ( ! isset($parts['path']) || $parts['path'] == '/') {
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throw new Doctrine_Manager_Exception('No database available in data source name');
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}
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if (isset($parts['path'])) {
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$parts['database'] = substr($parts['path'], 1);
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}
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if ( ! isset($parts['host'])) {
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throw new Doctrine_Manager_Exception('No hostname set in data source name');
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}
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$parts['dsn'] = $parts['scheme'] . ':host='
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. $parts['host'] . (isset($parts['port']) ? ';port=' . $parts['port']:null) . ';dbname='
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. $parts['database'];
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break;
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default:
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throw new Doctrine_Manager_Exception('Unknown driver '.$parts['scheme']);
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}
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return $parts;
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}
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/**
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* Get the connection instance for the passed name
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*
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* @param string $name name of the connection, if empty numeric key is used
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* @return object Doctrine_Connection
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* @throws Doctrine_Manager_Exception if trying to get a non-existent connection
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*/
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public function getConnection($name)
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{
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if ( ! isset($this->_connections[$name])) {
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throw new Doctrine_Manager_Exception('Unknown connection: ' . $name);
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}
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return $this->_connections[$name];
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}
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/**
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* Get the name of the passed connection instance
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*
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* @param Doctrine_Connection $conn connection object to be searched for
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* @return string the name of the connection
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*/
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public function getConnectionName(Doctrine_Connection $conn)
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{
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return array_search($conn, $this->_connections, true);
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}
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/**
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* Binds given component to given connection
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* this means that when ever the given component uses a connection
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* it will be using the bound connection instead of the current connection
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*
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* @param string $componentName
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* @param string $connectionName
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* @return boolean
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*/
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public function bindComponent($componentName, $connectionName)
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{
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$this->_bound[$componentName] = $connectionName;
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}
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/**
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* Get the connection instance for the specified component
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*
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* @param string $componentName
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* @return Doctrine_Connection
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*/
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public function getConnectionForComponent($componentName)
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{
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Doctrine::autoload($componentName);
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if (isset($this->_bound[$componentName])) {
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return $this->getConnection($this->_bound[$componentName]);
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}
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return $this->getCurrentConnection();
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}
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/**
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* Check if a component is bound to a connection
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*
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* @param string $componentName
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* @return boolean
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*/
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public function hasConnectionForComponent($componentName = null)
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{
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return isset($this->_bound[$componentName]);
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}
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/**
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* Closes the specified connection
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*
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* @param Doctrine_Connection $connection
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* @return void
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*/
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public function closeConnection(Doctrine_Connection $connection)
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{
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$connection->close();
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$key = array_search($connection, $this->_connections, true);
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if ($key !== false) {
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unset($this->_connections[$key]);
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}
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$this->_currIndex = key($this->_connections);
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unset($connection);
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}
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/**
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* Returns all opened connections
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*
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* @return array
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*/
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public function getConnections()
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{
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return $this->_connections;
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}
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/**
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* Sets the current connection to $key
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*
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* @param mixed $key the connection key
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* @throws InvalidKeyException
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* @return void
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*/
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public function setCurrentConnection($key)
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{
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$key = (string) $key;
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if ( ! isset($this->_connections[$key])) {
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throw new Doctrine_Manager_Exception("Connection key '$key' does not exist.");
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}
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$this->_currIndex = $key;
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}
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/**
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* Whether or not the manager contains specified connection
|
||
*
|
||
* @param mixed $key the connection key
|
||
* @return boolean
|
||
*/
|
||
public function contains($key)
|
||
{
|
||
return isset($this->_connections[$key]);
|
||
}
|
||
|
||
/**
|
||
* Returns the number of opened connections
|
||
*
|
||
* @return integer
|
||
*/
|
||
public function count()
|
||
{
|
||
return count($this->_connections);
|
||
}
|
||
|
||
/**
|
||
* Returns an ArrayIterator that iterates through all connections
|
||
*
|
||
* @return ArrayIterator
|
||
*/
|
||
public function getIterator()
|
||
{
|
||
return new ArrayIterator($this->_connections);
|
||
}
|
||
|
||
/**
|
||
* Get the current connection instance
|
||
*
|
||
* @throws Doctrine_Connection_Exception if there are no open connections
|
||
* @return Doctrine_Connection
|
||
*/
|
||
public function getCurrentConnection()
|
||
{
|
||
$i = $this->_currIndex;
|
||
if ( ! isset($this->_connections[$i])) {
|
||
throw new Doctrine_Connection_Exception('There is no open connection');
|
||
}
|
||
return $this->_connections[$i];
|
||
}
|
||
|
||
/**
|
||
* Creates databases for all existing connections
|
||
*
|
||
* @param string $specifiedConnections Array of connections you wish to create the database for
|
||
* @return void
|
||
* @todo package:dbal
|
||
*/
|
||
public function createDatabases($specifiedConnections = array())
|
||
{
|
||
if ( ! is_array($specifiedConnections)) {
|
||
$specifiedConnections = (array) $specifiedConnections;
|
||
}
|
||
|
||
$results = array();
|
||
|
||
foreach ($this as $name => $connection) {
|
||
if ( ! empty($specifiedConnections) && ! in_array($name, $specifiedConnections)) {
|
||
continue;
|
||
}
|
||
|
||
$results[$name] = $connection->createDatabase();
|
||
}
|
||
|
||
return $results;
|
||
}
|
||
|
||
/**
|
||
* Drops databases for all existing connections
|
||
*
|
||
* @param string $specifiedConnections Array of connections you wish to drop the database for
|
||
* @return void
|
||
* @todo package:dbal
|
||
*/
|
||
public function dropDatabases($specifiedConnections = array())
|
||
{
|
||
if ( ! is_array($specifiedConnections)) {
|
||
$specifiedConnections = (array) $specifiedConnections;
|
||
}
|
||
|
||
$results = array();
|
||
|
||
foreach ($this as $name => $connection) {
|
||
if ( ! empty($specifiedConnections) && ! in_array($name, $specifiedConnections)) {
|
||
continue;
|
||
}
|
||
|
||
$results[$name] = $connection->dropDatabase();
|
||
}
|
||
|
||
return $results;
|
||
}
|
||
|
||
/**
|
||
* Returns a string representation of this object
|
||
*
|
||
* @return string
|
||
*/
|
||
public function __toString()
|
||
{
|
||
$r[] = "<pre>";
|
||
$r[] = "Doctrine_Manager";
|
||
$r[] = "Connections : ".count($this->_connections);
|
||
$r[] = "</pre>";
|
||
return implode("\n",$r);
|
||
}
|
||
|
||
/**
|
||
* Get available doctrine validators
|
||
*
|
||
* @return array $validators
|
||
*/
|
||
public function getValidators()
|
||
{
|
||
if ( ! $this->_loadedValidatorsFromDisk) {
|
||
$this->_loadedValidatorsFromDisk = true;
|
||
|
||
$validators = array();
|
||
|
||
$dir = Doctrine::getPath() . DIRECTORY_SEPARATOR . 'Doctrine' . DIRECTORY_SEPARATOR . 'Validator';
|
||
|
||
$files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::LEAVES_ONLY);
|
||
foreach ($files as $file) {
|
||
$e = explode('.', $file->getFileName());
|
||
|
||
if (end($e) == 'php') {
|
||
$name = strtolower($e[0]);
|
||
|
||
$validators[] = $name;
|
||
}
|
||
}
|
||
|
||
$this->registerValidators($validators);
|
||
}
|
||
|
||
return $this->_validators;
|
||
}
|
||
|
||
/**
|
||
* Register validators so that Doctrine is aware of them
|
||
*
|
||
* @param mixed $validators Name of validator or array of validators
|
||
* @return void
|
||
*/
|
||
public function registerValidators($validators)
|
||
{
|
||
$validators = (array) $validators;
|
||
foreach ($validators as $validator) {
|
||
if ( ! in_array($validator, $this->_validators)) {
|
||
$this->_validators[] = $validator;
|
||
}
|
||
}
|
||
}
|
||
} |