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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Database;
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// ------------------------------------------------------------------------
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use O2System\Spl\Patterns\Structural\Provider\AbstractProvider;
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use O2System\Spl\Patterns\Structural\Provider\ValidationInterface;
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/**
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* Class Connections
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*
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* @package O2System\Database
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*/
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class Connections extends AbstractProvider implements ValidationInterface
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{
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/**
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* Connections::$config
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*
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* @var DataStructures\Config
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*/
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private $config;
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/**
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* Connections::__construct
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*
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* @param DataStructures\Config $config
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*
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* @return Connections
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*/
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public function __construct(DataStructures\Config $config)
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{
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$this->config = $config;
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}
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// ------------------------------------------------------------------------
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public function &loadConnection($connectionOffset)
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{
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$loadConnection[ $connectionOffset ] = false;
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if ( ! $this->exists($connectionOffset) and $this->config->offsetExists($connectionOffset)) {
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$connectionConfig = $this->config->offsetGet($connectionOffset);
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if (is_array($connectionConfig)) {
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new DataStructures\Config($this->config[ $connectionOffset ]);
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}
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$this->createConnection($connectionOffset, $connectionConfig);
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return $this->getObject($connectionOffset);
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} elseif ($this->exists($connectionOffset)) {
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return $this->getObject($connectionOffset);
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}
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return $loadConnection;
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}
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// ------------------------------------------------------------------------
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/**
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* Connections::createConnection
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*
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* Create Item Pool
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*
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* @param string $connectionOffset
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* @param DataStructures\Config $connectionConfig
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*
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* @return bool|\O2System\Database\Sql\Abstracts\AbstractConnection|\O2System\Database\NoSql\Abstracts\AbstractConnection
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*/
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public function &createConnection($connectionOffset, DataStructures\Config $connectionConfig)
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{
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$driverMaps = [
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'mongodb' => '\O2System\Database\NoSql\Drivers\MongoDb\Connection',
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'mysql' => '\O2System\Database\Sql\Drivers\MySql\Connection',
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'sqlite' => '\O2System\Database\Sql\Drivers\Sqlite\Connection',
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];
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if (array_key_exists($connectionConfig->driver, $driverMaps)) {
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if (class_exists($driverClassName = $driverMaps[ $connectionConfig->driver ])) {
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$driverInstance = new $driverClassName($connectionConfig);
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$this->register($driverInstance, $connectionOffset);
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}
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return $this->getObject($connectionOffset);
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}
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return false;
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}
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// ------------------------------------------------------------------------
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/**
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* Connections::validate
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*
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* Determine if value is meet requirement.
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*
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* @param mixed $value
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*
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* @return bool
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*/
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public function validate($value)
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{
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if ($value instanceof \O2System\Database\Sql\Abstracts\AbstractConnection || $value instanceof \O2System\Database\NoSql\Abstracts\AbstractConnection) {
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return true;
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}
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return false;
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}
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} |
o2system /
database
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