107 lines
4.1 KiB
PHP
107 lines
4.1 KiB
PHP
<?php
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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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namespace Doctrine\ORM\Persisters;
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use Doctrine\ORM\Mapping\ClassMetadata,
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Doctrine\DBAL\Types\Type;
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/**
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* Base class for entity persisters that implement a certain inheritance mapping strategy.
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* All these persisters are assumed to use a discriminator column to discriminate entity
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* types in the hierarchy.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @since 2.0
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*/
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abstract class AbstractEntityInheritancePersister extends BasicEntityPersister
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{
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/**
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* Map from column names to class names that declare the field the column is mapped to.
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*
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* @var array
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*/
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private $_declaringClassMap = array();
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/**
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* {@inheritdoc}
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*/
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protected function _prepareInsertData($entity)
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{
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$data = parent::_prepareInsertData($entity);
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// Populate the discriminator column
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$discColumn = $this->_class->discriminatorColumn;
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$this->_columnTypes[$discColumn['name']] = $discColumn['type'];
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$data[$this->_getDiscriminatorColumnTableName()][$discColumn['name']] = $this->_class->discriminatorValue;
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return $data;
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}
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/**
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* Gets the name of the table that contains the discriminator column.
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*
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* @return string The table name.
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*/
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abstract protected function _getDiscriminatorColumnTableName();
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/**
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* {@inheritdoc}
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*/
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protected function _processSQLResult(array $sqlResult)
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{
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$data = array();
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$discrColumnName = $this->_platform->getSQLResultCasing($this->_class->discriminatorColumn['name']);
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$entityName = $this->_class->discriminatorMap[$sqlResult[$discrColumnName]];
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unset($sqlResult[$discrColumnName]);
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foreach ($sqlResult as $column => $value) {
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$realColumnName = $this->_resultColumnNames[$column];
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if (isset($this->_declaringClassMap[$column])) {
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$class = $this->_declaringClassMap[$column];
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if ($class->name == $entityName || is_subclass_of($entityName, $class->name)) {
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$field = $class->fieldNames[$realColumnName];
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if (isset($data[$field])) {
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$data[$realColumnName] = $value;
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} else {
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$data[$field] = Type::getType($class->fieldMappings[$field]['type'])
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->convertToPHPValue($value, $this->_platform);
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}
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}
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} else {
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$data[$realColumnName] = $value;
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}
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}
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return array($entityName, $data);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getSelectColumnSQL($field, ClassMetadata $class)
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{
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$columnName = $class->columnNames[$field];
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$sql = $this->_getSQLTableAlias($class->name) . '.' . $class->getQuotedColumnName($field, $this->_platform);
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$columnAlias = $this->_platform->getSQLResultCasing($columnName . $this->_sqlAliasCounter++);
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if ( ! isset($this->_resultColumnNames[$columnAlias])) {
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$this->_resultColumnNames[$columnAlias] = $columnName;
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$this->_declaringClassMap[$columnAlias] = $class;
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}
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return "$sql AS $columnAlias";
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}
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} |