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mirror of synced 2024-12-13 14:56:01 +03:00
doctrine2/lib/Doctrine/ORM/Persisters/SingleTablePersister.php
Pascal Borreli a2cd0f5804 Fixed typos
2013-03-11 00:08:58 +00:00

186 lines
6.1 KiB
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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Persisters;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\Common\Collections\Criteria;
/**
* 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>
* @author Alexander <iam.asm89@gmail.com>
* @since 2.0
* @link http://martinfowler.com/eaaCatalog/singleTableInheritance.html
*/
class SingleTablePersister extends AbstractEntityInheritancePersister
{
/**
* {@inheritdoc}
*/
protected function getDiscriminatorColumnTableName()
{
return $this->class->getTableName();
}
/**
* {@inheritdoc}
*/
protected function getSelectColumnsSQL()
{
if ($this->selectColumnListSql !== null) {
return $this->selectColumnListSql;
}
$columnList[] = parent::getSelectColumnsSQL();
$rootClass = $this->em->getClassMetadata($this->class->rootEntityName);
$tableAlias = $this->getSQLTableAlias($rootClass->name);
// Append discriminator column
$discrColumn = $this->class->discriminatorColumn['name'];
$columnList[] = $tableAlias . '.' . $discrColumn;
$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'])) {
continue;
}
$columnList[] = $this->getSelectColumnSQL($fieldName, $subClass);
}
// Foreign key columns
foreach ($subClass->associationMappings as $assoc) {
if ( ! $assoc['isOwningSide']
|| ! ($assoc['type'] & ClassMetadata::TO_ONE)
|| isset($assoc['inherited'])) {
continue;
}
foreach ($assoc['targetToSourceKeyColumns'] as $srcColumn) {
$className = isset($assoc['inherited']) ? $assoc['inherited'] : $this->class->name;
$columnList[] = $this->getSelectJoinColumnSQL($tableAlias, $srcColumn, $className);
}
}
}
$this->selectColumnListSql = implode(', ', $columnList);
return $this->selectColumnListSql;
}
/**
* {@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, $assoc);
if ($conditionSql) {
$conditionSql .= ' AND ';
}
return $conditionSql . $this->getSelectConditionDiscriminatorValueSQL();
}
/**
* {@inheritdoc}
*/
protected function getSelectConditionCriteriaSQL(Criteria $criteria)
{
$conditionSql = parent::getSelectConditionCriteriaSQL($criteria);
if ($conditionSql) {
$conditionSql .= ' AND ';
}
return $conditionSql . $this->getSelectConditionDiscriminatorValueSQL();
}
/**
* @return string
*/
protected function getSelectConditionDiscriminatorValueSQL()
{
$values = array();
if ($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]);
}
$values = implode(', ', $values);
$discColumn = $this->class->discriminatorColumn['name'];
$tableAlias = $this->getSQLTableAlias($this->class->name);
return $tableAlias . '.' . $discColumn . ' IN (' . $values . ')';
}
/**
* {@inheritdoc}
*/
protected function generateFilterConditionSQL(ClassMetadata $targetEntity, $targetTableAlias)
{
// Ensure that the filters are applied to the root entity of the inheritance tree
$targetEntity = $this->em->getClassMetadata($targetEntity->rootEntityName);
// we don't care about the $targetTableAlias, in a STI there is only one table.
return parent::generateFilterConditionSQL($targetEntity, $targetTableAlias);
}
}