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doctrine2/lib/Doctrine/ORM/Query/ResultSetMappingBuilder.php
2012-04-15 15:40:43 -03:00

264 lines
12 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 LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query;
use Doctrine\ORM\EntityManager;
use Doctrine\ORM\Mapping\ClassMetadataInfo;
/**
* A ResultSetMappingBuilder uses the EntityManager to automatically populate entity fields
*
* @author Michael Ridgway <mcridgway@gmail.com>
* @since 2.1
*/
class ResultSetMappingBuilder extends ResultSetMapping
{
/**
* @var EntityManager
*/
private $em;
/**
* @param EntityManager
*/
public function __construct(EntityManager $em)
{
$this->em = $em;
}
/**
* Adds a root entity and all of its fields to the result set.
*
* @param string $class The class name of the root entity.
* @param string $alias The unique alias to use for the root entity.
* @param array $renamedColumns Columns that have been renamed (tableColumnName => queryColumnName)
*/
public function addRootEntityFromClassMetadata($class, $alias, $renamedColumns = array())
{
$this->addEntityResult($class, $alias);
$this->addAllClassFields($class, $alias, $renamedColumns);
}
/**
* Adds a joined entity and all of its fields to the result set.
*
* @param string $class The class name of the joined entity.
* @param string $alias The unique alias to use for the joined entity.
* @param string $parentAlias The alias of the entity result that is the parent of this joined result.
* @param object $relation The association field that connects the parent entity result with the joined entity result.
* @param array $renamedColumns Columns that have been renamed (tableColumnName => queryColumnName)
*/
public function addJoinedEntityFromClassMetadata($class, $alias, $parentAlias, $relation, $renamedColumns = array())
{
$this->addJoinedEntityResult($class, $alias, $parentAlias, $relation);
$this->addAllClassFields($class, $alias, $renamedColumns);
}
/**
* Adds all fields of the given class to the result set mapping (columns and meta fields)
*/
protected function addAllClassFields($class, $alias, $renamedColumns = array())
{
$classMetadata = $this->em->getClassMetadata($class);
if ($classMetadata->isInheritanceTypeSingleTable() || $classMetadata->isInheritanceTypeJoined()) {
throw new \InvalidArgumentException('ResultSetMapping builder does not currently support inheritance.');
}
$platform = $this->em->getConnection()->getDatabasePlatform();
foreach ($classMetadata->getColumnNames() as $columnName) {
$propertyName = $classMetadata->getFieldName($columnName);
if (isset($renamedColumns[$columnName])) {
$columnName = $renamedColumns[$columnName];
}
$columnName = $platform->getSQLResultCasing($columnName);
if (isset($this->fieldMappings[$columnName])) {
throw new \InvalidArgumentException("The column '$columnName' conflicts with another column in the mapper.");
}
$this->addFieldResult($alias, $columnName, $propertyName);
}
foreach ($classMetadata->associationMappings as $associationMapping) {
if ($associationMapping['isOwningSide'] && $associationMapping['type'] & ClassMetadataInfo::TO_ONE) {
foreach ($associationMapping['joinColumns'] as $joinColumn) {
$columnName = $joinColumn['name'];
$renamedColumnName = isset($renamedColumns[$columnName]) ? $renamedColumns[$columnName] : $columnName;
$renamedColumnName = $platform->getSQLResultCasing($renamedColumnName);
if (isset($this->metaMappings[$renamedColumnName])) {
throw new \InvalidArgumentException("The column '$renamedColumnName' conflicts with another column in the mapper.");
}
$this->addMetaResult($alias, $renamedColumnName, $columnName);
}
}
}
}
/**
* Adds the mappings of the results of native SQL queries to the result set.
*
* @param ClassMetadataInfo $class
* @param array $queryMapping
* @return ResultSetMappingBuilder
*/
public function addNamedNativeQueryMapping(ClassMetadataInfo $class, array $queryMapping)
{
if (isset($queryMapping['resultClass'])) {
return $this->addNamedNativeQueryResultClassMapping($class, $queryMapping['resultClass']);
}
return $this->addNamedNativeQueryResultSetMapping($class, $queryMapping['resultSetMapping']);
}
/**
* Adds the class mapping of the results of native SQL queries to the result set.
*
* @param ClassMetadataInfo $class
* @param string $resultClassName
* @return ResultSetMappingBuilder
*/
public function addNamedNativeQueryResultClassMapping(ClassMetadataInfo $class, $resultClassName)
{
$classMetadata = $this->em->getClassMetadata($resultClassName);
$shortName = $classMetadata->reflClass->getShortName();
$alias = strtolower($shortName[0]).'0';
$this->addEntityResult($class->name, $alias);
if ($classMetadata->discriminatorColumn) {
$discriminatorColumn = $classMetadata->discriminatorColumn;
$this->setDiscriminatorColumn($alias, $discriminatorColumn['name']);
$this->addMetaResult($alias, $discriminatorColumn['name'], $discriminatorColumn['fieldName']);
}
foreach ($classMetadata->getColumnNames() as $key => $columnName) {
$propertyName = $classMetadata->getFieldName($columnName);
$this->addFieldResult($alias, $columnName, $propertyName);
}
foreach ($classMetadata->associationMappings as $associationMapping) {
if ($associationMapping['isOwningSide'] && $associationMapping['type'] & ClassMetadataInfo::TO_ONE) {
foreach ($associationMapping['joinColumns'] as $joinColumn) {
$columnName = $joinColumn['name'];
$this->addMetaResult($alias, $columnName, $columnName, $classMetadata->isIdentifier($columnName));
}
}
}
return $this;
}
/**
* Adds the result set mapping of the results of native SQL queries to the result set.
*
* @param ClassMetadataInfo $class
* @param string $resultSetMappingName
* @return ResultSetMappingBuilder
*/
public function addNamedNativeQueryResultSetMapping(ClassMetadataInfo $class, $resultSetMappingName)
{
$counter = 0;
$resultMapping = $class->getSqlResultSetMapping($resultSetMappingName);
$rooShortName = $class->reflClass->getShortName();
$rootAlias = strtolower($rooShortName[0]) . $counter;
if (isset($resultMapping['entities'])) {
foreach ($resultMapping['entities'] as $key => $entityMapping) {
$classMetadata = $this->em->getClassMetadata($entityMapping['entityClass']);
if ($class->reflClass->name == $classMetadata->reflClass->name) {
$this->addEntityResult($classMetadata->name, $rootAlias);
$this->addNamedNativeQueryEntityResultMapping($classMetadata, $entityMapping, $rootAlias);
} else {
$shortName = $classMetadata->reflClass->getShortName();
$joinAlias = strtolower($shortName[0]) . ++ $counter;
$associations = $class->getAssociationsByTargetClass($classMetadata->name);
foreach ($associations as $relation => $mapping) {
$this->addJoinedEntityResult($mapping['targetEntity'], $joinAlias, $rootAlias, $relation);
$this->addNamedNativeQueryEntityResultMapping($classMetadata, $entityMapping, $joinAlias);
}
}
}
}
if (isset($resultMapping['columns'])) {
foreach ($resultMapping['columns'] as $entityMapping) {
$this->addScalarResult($entityMapping['name'], $entityMapping['name']);
}
}
return $this;
}
/**
* Adds the entity result mapping of the results of native SQL queries to the result set.
*
* @param ClassMetadataInfo $classMetadata
* @param array $entityMapping
* @param string $alias
* @return ResultSetMappingBuilder
*/
public function addNamedNativeQueryEntityResultMapping(ClassMetadataInfo $classMetadata, array $entityMapping, $alias)
{
if (isset($entityMapping['discriminatorColumn']) && $entityMapping['discriminatorColumn']) {
$discriminatorColumn = $entityMapping['discriminatorColumn'];
$this->setDiscriminatorColumn($alias, $discriminatorColumn);
$this->addMetaResult($alias, $discriminatorColumn, $discriminatorColumn);
}
if (isset($entityMapping['fields']) && !empty($entityMapping['fields'])) {
foreach ($entityMapping['fields'] as $field) {
$fieldName = $field['name'];
$relation = null;
if(strpos($fieldName, '.')){
list($relation, $fieldName) = explode('.', $fieldName);
}
if (isset($classMetadata->associationMappings[$relation])) {
if($relation) {
$associationMapping = $classMetadata->associationMappings[$relation];
$joinAlias = $alias.$relation;
$parentAlias = $alias;
$this->addJoinedEntityResult($associationMapping['targetEntity'], $joinAlias, $parentAlias, $relation);
$this->addFieldResult($joinAlias, $field['column'], $fieldName);
}else {
$this->addFieldResult($alias, $field['column'], $fieldName, $classMetadata->name);
}
} else {
if(!isset($classMetadata->fieldMappings[$fieldName])) {
throw new \InvalidArgumentException("Entity '".$classMetadata->name."' has no field '".$fieldName."'. ");
}
$this->addFieldResult($alias, $field['column'], $fieldName, $classMetadata->name);
}
}
} else {
foreach ($classMetadata->getColumnNames() as $columnName) {
$propertyName = $classMetadata->getFieldName($columnName);
$this->addFieldResult($alias, $columnName, $propertyName);
}
}
return $this;
}
}