Location: PHPKode > projects > GnomePHP > peec-GnomePHP-b5a360b/gnomephp/doctrine/Doctrine/ORM/Persisters/AbstractEntityInheritancePersister.php
<?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 LGPL. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\ORM\Persisters;

use Doctrine\ORM\Mapping\ClassMetadata,
    Doctrine\DBAL\Types\Type;

/**
 * Base class for entity persisters that implement a certain inheritance mapping strategy.
 * All these persisters are assumed to use a discriminator column to discriminate entity
 * types in the hierarchy.
 * 
 * @author Roman Borschel <hide@address.com>
 * @author Benjamin Eberlei <hide@address.com>
 * @since 2.0
 */
abstract class AbstractEntityInheritancePersister extends BasicEntityPersister
{
    /**
     * {@inheritdoc}
     */
    protected function _prepareInsertData($entity)
    {
        $data = parent::_prepareInsertData($entity);
        // Populate the discriminator column
        $discColumn = $this->_class->discriminatorColumn;
        $this->_columnTypes[$discColumn['name']] = $discColumn['type'];
        $data[$this->_getDiscriminatorColumnTableName()][$discColumn['name']] = $this->_class->discriminatorValue;
        return $data;
    }

    /**
     * Gets the name of the table that contains the discriminator column.
     * 
     * @return string The table name.
     */
    abstract protected function _getDiscriminatorColumnTableName();

    /**
     * {@inheritdoc}
     */
    protected function _getSelectColumnSQL($field, ClassMetadata $class, $alias = 'r')
    {
        $columnName = $class->columnNames[$field];
        $sql = $this->_getSQLTableAlias($class->name, $alias == 'r' ? '' : $alias) . '.' . $class->getQuotedColumnName($field, $this->_platform);
        $columnAlias = $this->_platform->getSQLResultCasing($columnName . $this->_sqlAliasCounter++);
        $this->_rsm->addFieldResult($alias, $columnAlias, $field, $class->name);

        return "$sql AS $columnAlias";
    }

    protected function getSelectJoinColumnSQL($tableAlias, $joinColumnName, $className)
    {
        $columnAlias = $joinColumnName . $this->_sqlAliasCounter++;
        $resultColumnName = $this->_platform->getSQLResultCasing($columnAlias);
        $this->_rsm->addMetaResult('r', $resultColumnName, $joinColumnName);
        
        return $tableAlias . ".$joinColumnName AS $columnAlias";
    }
}
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