<?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 LGPL. For more information, see
 * <http://www.phpdoctrine.com>.
 */

/**
 * @package     Doctrine
 * @url         http://www.phpdoctrine.com
 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
 * @author      Jukka Hassinen <Jukka.Hassinen@BrainAlliance.com>
 * @version     $Id$
 */


/**
 * class Doctrine_Schema_Column
 * Holds information on a database table field
 */
class Doctrine_Schema_Column extends Doctrine_Schema_Object implements IteratorAggregate {
    /**
     * column definitions
     * @var array $definition
     */
    protected $definition = array('name'    => '',
                                  'type'    => '',
                                  'unique'  => false,
                                  'primary' => false,
                                  'notnull' => false,
                                  'default' => null,
                                  );

    public function __construct(array $definition) {
        foreach($this->definition as $key => $val) {
            if(isset($definition[$key]))
                $this->definition[$key] = $definition[$key];
        }
    }
    public function getName() {
        return $this->definition['name'];                          	
    }
    public function getType() {
        return $this->definition['type'];
    }
    public function isUnique() {
        return $this->definition['unique'];
    }
    public function isPrimaryKey() {
        return $this->definition['primary'];
    }
    public function defaultValue() {
        return $this->definition['default'];
    }
    public function isNotNull() {
        return $this->definition['notnull'];
    }
}