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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/*
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 *  $Id: Column.php 7663 2010-06-08 19:00:08Z jwage $
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the LGPL. For more information, see
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 * <http://www.doctrine-project.org>.
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 */
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/**
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 * Doctrine_Column
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 * This class represents a database column
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 *
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 * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
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 * @package     Doctrine
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 * @subpackage  Column
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 * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
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 * @version     $Revision: 7663 $
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 * @link        www.doctrine-project.org
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 * @since       1.0
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 */
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class Doctrine_Column extends Doctrine_Access implements IteratorAggregate, Countable
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{
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    /**
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     * @var array $_definition  @see getDefinition()
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     */
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    protected $_definition = array(
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                                'type'    => null,
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                                'length'  => 0,
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                                );
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    /**
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     * @var array $definition  @see getDefinition()
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     */
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    public function __construct(array $definition = array())
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    {
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        $this->_definition = $definition;
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    }
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    /**
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     * Returns the definition of the column.
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     *
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     * Keys can be:
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     *     string type,
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     *     integer length,
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     *     array values (only for enum fields, maps integer indexes to mixed values),
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     * @return array
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     */
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    public function getDefinition()
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    {
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        return $this->_definition;
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    }
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    /**
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     * contains
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     *
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     * @return boolean
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     */
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    public function contains($name)
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    {
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        return isset($this->_definition[$name]);
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    }
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    /**
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     * get
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     *
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     * @param string $name
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     * @return mixed
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     */
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    public function get($name)
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    {
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        if ( ! isset($this->_definition[$name])) {
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            return null;
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        }
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        return $this->_definition[$name];
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    }
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    /**
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     * set
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     *
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     * @param string $name
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     * @return void
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     */
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    public function set($name, $value)
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    {
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        $this->_definition[$name] = $value;
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    }
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    /**
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     * @param string $field
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     * @return array
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     */
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    public function getEnumValues()
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    {
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        if (isset($this->_definition['values'])) {
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            return $this->_definition['values'];
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        } else {
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            return array();
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        }
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    }
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    /**
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     * Retrieves an enum value.
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     *
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     * @param integer $index
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     * @return string       integer ($index) if not present
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     */
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    public function enumValue($index)
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    {
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        if ($index instanceof Doctrine_Null) {
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            return false;
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        }
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        return isset($this->_definition['values'][$index]) ? $this->_definition['values'][$index] : false;
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    }
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    /**
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     * enumIndex
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     *
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     * @param string $field
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     * @param mixed $value
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     * @return mixed
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     */
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    public function enumIndex($field, $value)
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    {
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        $values = $this->getEnumValues($field);
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        return array_search($value, $values);
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    }
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    /**
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     * count
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     *
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     * @return integer
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     */
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    public function count()
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    {
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        return count($this->_definition);
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    }
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    /**
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     * getIterator
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     *
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     * @return ArrayIterator
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     */
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    public function getIterator()
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    {
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        return new ArrayIterator($this->_definition);
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    }
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}