<?php
  /*
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * This software consists of voluntary contributions made by many individuals
   * and is licensed under the MIT license. For more information, see
   * <http://www.doctrine-project.org>.
   */
  
  namespace Doctrine\DBAL;
  
  use Doctrine\DBAL\Logging\SQLLogger;
  use Doctrine\Common\Cache\Cache;
  
  /**
   * Configuration container for the Doctrine DBAL.
   *
   * @since   2.0
   * @author  Guilherme Blanco <guilhermeblanco@hotmail.com>
   * @author  Jonathan Wage <jonwage@gmail.com>
   * @author  Roman Borschel <roman@code-factory.org>
   * @internal When adding a new configuration option just write a getter/setter
   *           pair and add the option to the _attributes array with a proper default value.
   */
  class Configuration
  {
      /**
       * The attributes that are contained in the configuration.
       * Values are default values.
       *
       * @var array
       */
      protected $_attributes = array();
  
      /**
       * Sets the SQL logger to use. Defaults to NULL which means SQL logging is disabled.
       *
       * @param SQLLogger $logger
       */
      public function setSQLLogger(SQLLogger $logger = null)
      {
          $this->_attributes['sqlLogger'] = $logger;
      }
  
      /**
       * Gets the SQL logger that is used.
       *
       * @return SQLLogger
       */
      public function getSQLLogger()
      {
          return isset($this->_attributes['sqlLogger']) ?
                  $this->_attributes['sqlLogger'] : null;
      }
  
      /**
       * Gets the cache driver implementation that is used for query result caching.
       *
       * @return \Doctrine\Common\Cache\Cache
       */
      public function getResultCacheImpl()
      {
          return isset($this->_attributes['resultCacheImpl']) ?
                  $this->_attributes['resultCacheImpl'] : null;
      }
  
      /**
       * Sets the cache driver implementation that is used for query result caching.
       *
       * @param \Doctrine\Common\Cache\Cache $cacheImpl
       */
      public function setResultCacheImpl(Cache $cacheImpl)
      {
          $this->_attributes['resultCacheImpl'] = $cacheImpl;
      }
  
      /**
       * Filter schema assets expression.
       *
       * Only include tables/sequences matching the filter expression regexp in
       * schema instances generated for the active connection when calling
       * {AbstractSchemaManager#createSchema()}.
       *
       * @param string $filterExpression
       */
      public function setFilterSchemaAssetsExpression($filterExpression)
      {
          $this->_attributes['filterSchemaAssetsExpression'] = $filterExpression;
      }
  
      /**
       * Return filter schema assets expression.
       *
       * @return string|null
       */
      public function getFilterSchemaAssetsExpression()
      {
          if (isset($this->_attributes['filterSchemaAssetsExpression'])) {
              return $this->_attributes['filterSchemaAssetsExpression'];
          }
          return null;
      }
  }