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- <?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;
-
- /**
- * Persister for entities that participate in a hierarchy mapped with the
- * SINGLE_TABLE strategy.
- *
- * @author Roman Borschel <roman@code-factory.org>
- * @author Benjamin Eberlei <kontakt@beberlei.de>
- * @since 2.0
- * @link http://martinfowler.com/eaaCatalog/singleTableInheritance.html
- */
- class SingleTablePersister extends AbstractEntityInheritancePersister
- {
- /** {@inheritdoc} */
- protected function _getDiscriminatorColumnTableName()
- {
- return $this->_class->table['name'];
- }
-
- /** {@inheritdoc} */
- protected function _getSelectColumnListSQL()
- {
- $columnList = parent::_getSelectColumnListSQL();
-
- // Append discriminator column
- $discrColumn = $this->_class->discriminatorColumn['name'];
- $columnList .= ", $discrColumn";
- $rootClass = $this->_em->getClassMetadata($this->_class->rootEntityName);
- $tableAlias = $this->_getSQLTableAlias($rootClass->name);
- $resultColumnName = $this->_platform->getSQLResultCasing($discrColumn);
- $this->_rsm->setDiscriminatorColumn('r', $resultColumnName);
- $this->_rsm->addMetaResult('r', $resultColumnName, $discrColumn);
-
- // Append subclass columns
- foreach ($this->_class->subClasses as $subClassName) {
- $subClass = $this->_em->getClassMetadata($subClassName);
- // Regular columns
- foreach ($subClass->fieldMappings as $fieldName => $mapping) {
- if ( ! isset($mapping['inherited'])) {
- $columnList .= ', ' . $this->_getSelectColumnSQL($fieldName, $subClass);
- }
- }
- // Foreign key columns
- foreach ($subClass->associationMappings as $assoc) {
- if ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE && ! isset($assoc['inherited'])) {
- foreach ($assoc['targetToSourceKeyColumns'] as $srcColumn) {
- if ($columnList != '') $columnList .= ', ';
- $columnList .= $this->getSelectJoinColumnSQL($tableAlias, $srcColumn,
- isset($assoc['inherited']) ? $assoc['inherited'] : $this->_class->name
- );
- }
- }
- }
- }
-
- return $columnList;
- }
-
- /** {@inheritdoc} */
- protected function _getInsertColumnList()
- {
- $columns = parent::_getInsertColumnList();
- // Add discriminator column to the INSERT SQL
- $columns[] = $this->_class->discriminatorColumn['name'];
-
- return $columns;
- }
-
- /** {@inheritdoc} */
- protected function _getSQLTableAlias($className, $assocName = '')
- {
- return parent::_getSQLTableAlias($this->_class->rootEntityName, $assocName);
- }
-
- /** {@inheritdoc} */
- protected function _getSelectConditionSQL(array $criteria, $assoc = null)
- {
- $conditionSql = parent::_getSelectConditionSQL($criteria, $assoc);
-
- // Append discriminator condition
- if ($conditionSql) $conditionSql .= ' AND ';
- $values = array();
- if ($this->_class->discriminatorValue !== null) { // discriminators can be 0
- $values[] = $this->_conn->quote($this->_class->discriminatorValue);
- }
-
- $discrValues = array_flip($this->_class->discriminatorMap);
- foreach ($this->_class->subClasses as $subclassName) {
- $values[] = $this->_conn->quote($discrValues[$subclassName]);
- }
- $conditionSql .= $this->_getSQLTableAlias($this->_class->name) . '.'
- . $this->_class->discriminatorColumn['name']
- . ' IN (' . implode(', ', $values) . ')';
-
- return $conditionSql;
- }
- }
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