<?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\Common\Persistence;
  
  /**
   * Contract covering connection for a Doctrine persistence layer ManagerRegistry class to implement.
   *
   * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
   * @link    www.doctrine-project.org
   * @since   2.2
   * @author  Fabien Potencier <fabien@symfony.com>
   * @author  Benjamin Eberlei <kontakt@beberlei.de>
   * @author  Lukas Kahwe Smith <smith@pooteeweet.org>
   */
  interface ConnectionRegistry
  {
      /**
       * Gets the default connection name.
       *
       * @return string The default connection name
       */
      function getDefaultConnectionName();
  
      /**
       * Gets the named connection.
       *
       * @param string $name The connection name (null for the default one)
       *
       * @return object
       */
      function getConnection($name = null);
  
      /**
       * Gets an array of all registered connections
       *
       * @return array An array of Connection instances
       */
      function getConnections();
  
      /**
       * Gets all connection names.
       *
       * @return array An array of connection names
       */
      function getConnectionNames();
  }