103 lines
4.2 KiB
PHP
103 lines
4.2 KiB
PHP
<?php
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/*
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* $Id$
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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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/**
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* Persister for entities that participate in a hierarchy mapped with the
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* SINGLE_TABLE strategy.
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*
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* @author Roman Borschel <roman@code-factory.org>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @since 2.0
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* @link http://martinfowler.com/eaaCatalog/singleTableInheritance.html
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*/
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class SingleTablePersister extends AbstractEntityInheritancePersister
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{
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/** {@inheritdoc} */
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protected function _getDiscriminatorColumnTableName()
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{
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return $this->_class->table['name'];
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}
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/** {@inheritdoc} */
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protected function _getSelectColumnListSQL()
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{
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$columnList = parent::_getSelectColumnListSQL();
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// Append discriminator column
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$discrColumn = $this->_class->discriminatorColumn['name'];
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$columnList .= ", $discrColumn";
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$rootClass = $this->_em->getClassMetadata($this->_class->rootEntityName);
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$tableAlias = $this->_getSQLTableAlias($rootClass);
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$resultColumnName = $this->_platform->getSQLResultCasing($discrColumn);
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$this->_resultColumnNames[$resultColumnName] = $discrColumn;
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foreach ($this->_class->subClasses as $subClassName) {
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$subClass = $this->_em->getClassMetadata($subClassName);
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// Append subclass columns
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foreach ($subClass->fieldMappings as $fieldName => $mapping) {
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if ( ! isset($mapping['inherited'])) {
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$columnList .= ', ' . $this->_getSelectColumnSQL($fieldName, $subClass);
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}
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}
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// Append subclass foreign keys
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foreach ($subClass->associationMappings as $assoc) {
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if ($assoc->isOwningSide && $assoc->isOneToOne() && ! isset($subClass->inheritedAssociationFields[$assoc->sourceFieldName])) {
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foreach ($assoc->targetToSourceKeyColumns as $srcColumn) {
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$columnAlias = $srcColumn . $this->_sqlAliasCounter++;
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$columnList .= ', ' . $tableAlias . ".$srcColumn AS $columnAlias";
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$resultColumnName = $this->_platform->getSQLResultCasing($columnAlias);
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if ( ! isset($this->_resultColumnNames[$resultColumnName])) {
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$this->_resultColumnNames[$resultColumnName] = $srcColumn;
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}
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}
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}
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}
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}
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return $columnList;
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}
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/** {@inheritdoc} */
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protected function _getInsertColumnList()
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{
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$columns = parent::_getInsertColumnList();
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// Add discriminator column to the INSERT SQL
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$columns[] = $this->_class->discriminatorColumn['name'];
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return $columns;
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}
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/** {@inheritdoc} */
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protected function _getSQLTableAlias(ClassMetadata $class)
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{
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if (isset($this->_sqlTableAliases[$class->rootEntityName])) {
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return $this->_sqlTableAliases[$class->rootEntityName];
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}
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$tableAlias = $this->_em->getClassMetadata($class->rootEntityName)->table['name'][0] . $this->_sqlAliasCounter++;
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$this->_sqlTableAliases[$class->rootEntityName] = $tableAlias;
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return $tableAlias;
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}
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} |