<?php
  /*
   *  $Id$
   *
   * 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\Schema;
  
  /**
   * Represent the change of a column
   *
   * 
   * @link    www.doctrine-project.org
   * @since   2.0
   * @version $Revision$
   * @author Benjamin Eberlei <kontakt@beberlei.de>
   */
  class ColumnDiff
  {
      public $oldColumnName;
  
      /**
       * @var Column
       */
      public $column;
  
      /**
       * @var array
       */
      public $changedProperties = array();
  
      /**
       * @var Column
       */
      public $fromColumn;
  
      public function __construct($oldColumnName, Column $column, array $changedProperties = array(), Column $fromColumn = null)
      {
          $this->oldColumnName = $oldColumnName;
          $this->column = $column;
          $this->changedProperties = $changedProperties;
          $this->fromColumn = $fromColumn;
      }
  
      public function hasChanged($propertyName)
      {
          return in_array($propertyName, $this->changedProperties);
      }
  }