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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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Persisters;
use Doctrine\ORM\ORMException;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Query\ResultSetMapping;
use Doctrine\DBAL\LockMode;
use Doctrine\DBAL\Types\Type;
use Doctrine\Common\Collections\Criteria;
/**
* The joined subclass persister maps a single entity instance to several tables in the
* database as it is defined by the <tt>Class Table Inheritance</tt> strategy.
*
* @author Roman Borschel <roman@code-factory.org>
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Alexander <iam.asm89@gmail.com>
* @since 2.0
* @see http://martinfowler.com/eaaCatalog/classTableInheritance.html
*/
class JoinedSubclassPersister extends AbstractEntityInheritancePersister
{
/**
* Map that maps column names to the table names that own them.
* This is mainly a temporary cache, used during a single request.
*
* @var array
*/
private $_owningTableMap = array();
/**
* Map of table to quoted table names.
*
* @var array
*/
private $_quotedTableMap = array();
/**
* {@inheritdoc}
*/
protected function _getDiscriminatorColumnTableName()
{
$class = ($this->_class->name !== $this->_class->rootEntityName)
? $this->_em->getClassMetadata($this->_class->rootEntityName)
: $this->_class;
return $class->getTableName();
}
/**
* This function finds the ClassMetadata instance in an inheritance hierarchy
* that is responsible for enabling versioning.
*
* @return \Doctrine\ORM\Mapping\ClassMetadata
*/
private function _getVersionedClassMetadata()
{
if (isset($this->_class->fieldMappings[$this->_class->versionField]['inherited'])) {
$definingClassName = $this->_class->fieldMappings[$this->_class->versionField]['inherited'];
return $this->_em->getClassMetadata($definingClassName);
}
return $this->_class;
}
/**
* Gets the name of the table that owns the column the given field is mapped to.
*
* @param string $fieldName
* @return string
* @override
*/
public function getOwningTable($fieldName)
{
if (isset($this->_owningTableMap[$fieldName])) {
return $this->_owningTableMap[$fieldName];
}
if (isset($this->_class->associationMappings[$fieldName]['inherited'])) {
$cm = $this->_em->getClassMetadata($this->_class->associationMappings[$fieldName]['inherited']);
} else if (isset($this->_class->fieldMappings[$fieldName]['inherited'])) {
$cm = $this->_em->getClassMetadata($this->_class->fieldMappings[$fieldName]['inherited']);
} else {
$cm = $this->_class;
}
$tableName = $cm->getTableName();
$this->_owningTableMap[$fieldName] = $tableName;
$this->_quotedTableMap[$tableName] = $this->quoteStrategy->getTableName($cm, $this->_platform);
return $tableName;
}
/**
* {@inheritdoc}
*/
public function executeInserts()
{
if ( ! $this->_queuedInserts) {
return;
}
$postInsertIds = array();
$idGen = $this->_class->idGenerator;
$isPostInsertId = $idGen->isPostInsertGenerator();
// Prepare statement for the root table
$rootClass = ($this->_class->name !== $this->_class->rootEntityName) ? $this->_em->getClassMetadata($this->_class->rootEntityName) : $this->_class;
$rootPersister = $this->_em->getUnitOfWork()->getEntityPersister($rootClass->name);
$rootTableName = $rootClass->getTableName();
$rootTableStmt = $this->_conn->prepare($rootPersister->_getInsertSQL());
// Prepare statements for sub tables.
$subTableStmts = array();
if ($rootClass !== $this->_class) {
$subTableStmts[$this->_class->getTableName()] = $this->_conn->prepare($this->_getInsertSQL());
}
foreach ($this->_class->parentClasses as $parentClassName) {
$parentClass = $this->_em->getClassMetadata($parentClassName);
$parentTableName = $parentClass->getTableName();
if ($parentClass !== $rootClass) {
$parentPersister = $this->_em->getUnitOfWork()->getEntityPersister($parentClassName);
$subTableStmts[$parentTableName] = $this->_conn->prepare($parentPersister->_getInsertSQL());
}
}
// Execute all inserts. For each entity:
// 1) Insert on root table
// 2) Insert on sub tables
foreach ($this->_queuedInserts as $entity) {
$insertData = $this->_prepareInsertData($entity);
// Execute insert on root table
$paramIndex = 1;
foreach ($insertData[$rootTableName] as $columnName => $value) {
$rootTableStmt->bindValue($paramIndex++, $value, $this->_columnTypes[$columnName]);
}
$rootTableStmt->execute();
if ($isPostInsertId) {
$id = $idGen->generate($this->_em, $entity);
$postInsertIds[$id] = $entity;
} else {
$id = $this->_em->getUnitOfWork()->getEntityIdentifier($entity);
}
// Execute inserts on subtables.
// The order doesn't matter because all child tables link to the root table via FK.
foreach ($subTableStmts as $tableName => $stmt) {
$data = isset($insertData[$tableName]) ? $insertData[$tableName] : array();
$paramIndex = 1;
foreach ((array) $id as $idName => $idVal) {
$type = isset($this->_columnTypes[$idName]) ? $this->_columnTypes[$idName] : Type::STRING;
$stmt->bindValue($paramIndex++, $idVal, $type);
}
foreach ($data as $columnName => $value) {
$stmt->bindValue($paramIndex++, $value, $this->_columnTypes[$columnName]);
}
$stmt->execute();
}
}
$rootTableStmt->closeCursor();
foreach ($subTableStmts as $stmt) {
$stmt->closeCursor();
}
if ($this->_class->isVersioned) {
$this->assignDefaultVersionValue($entity, $id);
}
$this->_queuedInserts = array();
return $postInsertIds;
}
/**
* {@inheritdoc}
*/
public function update($entity)
{
$updateData = $this->_prepareUpdateData($entity);
if (($isVersioned = $this->_class->isVersioned) != false) {
$versionedClass = $this->_getVersionedClassMetadata();
$versionedTable = $versionedClass->getTableName();
}
if ($updateData) {
foreach ($updateData as $tableName => $data) {
$this->_updateTable(
$entity, $this->_quotedTableMap[$tableName], $data, $isVersioned && $versionedTable == $tableName
);
}
// Make sure the table with the version column is updated even if no columns on that
// table were affected.
if ($isVersioned && ! isset($updateData[$versionedTable])) {
$this->_updateTable($entity, $this->quoteStrategy->getTableName($versionedClass, $this->_platform), array(), true);
$id = $this->_em->getUnitOfWork()->getEntityIdentifier($entity);
$this->assignDefaultVersionValue($entity, $id);
}
}
}
/**
* {@inheritdoc}
*/
public function delete($entity)
{
$identifier = $this->_em->getUnitOfWork()->getEntityIdentifier($entity);
$this->deleteJoinTableRecords($identifier);
$id = array_combine($this->_class->getIdentifierColumnNames(), $identifier);
// If the database platform supports FKs, just
// delete the row from the root table. Cascades do the rest.
if ($this->_platform->supportsForeignKeyConstraints()) {
$this->_conn->delete(
$this->quoteStrategy->getTableName($this->_em->getClassMetadata($this->_class->rootEntityName), $this->_platform), $id
);
} else {
// Delete from all tables individually, starting from this class' table up to the root table.
$this->_conn->delete($this->quoteStrategy->getTableName($this->_class, $this->_platform), $id);
foreach ($this->_class->parentClasses as $parentClass) {
$this->_conn->delete(
$this->quoteStrategy->getTableName($this->_em->getClassMetadata($parentClass), $this->_platform), $id
);
}
}
}
/**
* {@inheritdoc}
*/
protected function _getSelectEntitiesSQL($criteria, $assoc = null, $lockMode = 0, $limit = null, $offset = null, array $orderBy = null)
{
$idColumns = $this->_class->getIdentifierColumnNames();
$baseTableAlias = $this->_getSQLTableAlias($this->_class->name);
// Create the column list fragment only once
if ($this->_selectColumnListSql === null) {
$this->_rsm = new ResultSetMapping();
$this->_rsm->addEntityResult($this->_class->name, 'r');
// Add regular columns
$columnList = '';
foreach ($this->_class->fieldMappings as $fieldName => $mapping) {
if ($columnList != '') $columnList .= ', ';
$columnList .= $this->_getSelectColumnSQL(
$fieldName,
isset($mapping['inherited']) ? $this->_em->getClassMetadata($mapping['inherited']) : $this->_class
);
}
// Add foreign key columns
foreach ($this->_class->associationMappings as $assoc2) {
if ($assoc2['isOwningSide'] && $assoc2['type'] & ClassMetadata::TO_ONE) {
$tableAlias = isset($assoc2['inherited']) ? $this->_getSQLTableAlias($assoc2['inherited']) : $baseTableAlias;
foreach ($assoc2['targetToSourceKeyColumns'] as $srcColumn) {
if ($columnList != '') $columnList .= ', ';
$columnList .= $this->getSelectJoinColumnSQL(
$tableAlias,
$srcColumn,
isset($assoc2['inherited']) ? $assoc2['inherited'] : $this->_class->name
);
}
}
}
// Add discriminator column (DO NOT ALIAS, see AbstractEntityInheritancePersister#_processSQLResult).
$discrColumn = $this->_class->discriminatorColumn['name'];
$tableAlias = ($this->_class->rootEntityName == $this->_class->name) ? $baseTableAlias : $this->_getSQLTableAlias($this->_class->rootEntityName);
$columnList .= ', ' . $tableAlias . '.' . $discrColumn;
$resultColumnName = $this->_platform->getSQLResultCasing($discrColumn);
$this->_rsm->setDiscriminatorColumn('r', $resultColumnName);
$this->_rsm->addMetaResult('r', $resultColumnName, $discrColumn);
}
// INNER JOIN parent tables
$joinSql = '';
foreach ($this->_class->parentClasses as $parentClassName) {
$parentClass = $this->_em->getClassMetadata($parentClassName);
$tableAlias = $this->_getSQLTableAlias($parentClassName);
$joinSql .= ' INNER JOIN ' . $this->quoteStrategy->getTableName($parentClass, $this->_platform) . ' ' . $tableAlias . ' ON ';
$first = true;
foreach ($idColumns as $idColumn) {
if ($first) $first = false; else $joinSql .= ' AND ';
$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
}
}
// OUTER JOIN sub tables
foreach ($this->_class->subClasses as $subClassName) {
$subClass = $this->_em->getClassMetadata($subClassName);
$tableAlias = $this->_getSQLTableAlias($subClassName);
if ($this->_selectColumnListSql === null) {
// Add subclass columns
foreach ($subClass->fieldMappings as $fieldName => $mapping) {
if (isset($mapping['inherited'])) continue;
$columnList .= ', ' . $this->_getSelectColumnSQL($fieldName, $subClass);
}
// Add join columns (foreign keys)
foreach ($subClass->associationMappings as $assoc2) {
if ($assoc2['isOwningSide'] && $assoc2['type'] & ClassMetadata::TO_ONE && ! isset($assoc2['inherited'])) {
foreach ($assoc2['targetToSourceKeyColumns'] as $srcColumn) {
if ($columnList != '') $columnList .= ', ';
$columnList .= $this->getSelectJoinColumnSQL(
$tableAlias,
$srcColumn,
isset($assoc2['inherited']) ? $assoc2['inherited'] : $subClass->name
);
}
}
}
}
// Add LEFT JOIN
$joinSql .= ' LEFT JOIN ' . $this->quoteStrategy->getTableName($subClass, $this->_platform) . ' ' . $tableAlias . ' ON ';
$first = true;
foreach ($idColumns as $idColumn) {
if ($first) $first = false; else $joinSql .= ' AND ';
$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
}
}
$joinSql .= ($assoc != null && $assoc['type'] == ClassMetadata::MANY_TO_MANY) ? $this->_getSelectManyToManyJoinSQL($assoc) : '';
$conditionSql = ($criteria instanceof Criteria)
? $this->_getSelectConditionCriteriaSQL($criteria)
: $this->_getSelectConditionSQL($criteria, $assoc);
// If the current class in the root entity, add the filters
if ($filterSql = $this->generateFilterConditionSQL($this->_em->getClassMetadata($this->_class->rootEntityName), $this->_getSQLTableAlias($this->_class->rootEntityName))) {
if ($conditionSql) {
$conditionSql .= ' AND ';
}
$conditionSql .= $filterSql;
}
$orderBy = ($assoc !== null && isset($assoc['orderBy'])) ? $assoc['orderBy'] : $orderBy;
$orderBySql = $orderBy ? $this->_getOrderBySQL($orderBy, $baseTableAlias) : '';
if ($this->_selectColumnListSql === null) {
$this->_selectColumnListSql = $columnList;
}
$lockSql = '';
if ($lockMode == LockMode::PESSIMISTIC_READ) {
$lockSql = ' ' . $this->_platform->getReadLockSql();
} else if ($lockMode == LockMode::PESSIMISTIC_WRITE) {
$lockSql = ' ' . $this->_platform->getWriteLockSql();
}
return $this->_platform->modifyLimitQuery('SELECT ' . $this->_selectColumnListSql
. ' FROM ' . $this->quoteStrategy->getTableName($this->_class, $this->_platform) . ' ' . $baseTableAlias
. $joinSql
. ($conditionSql != '' ? ' WHERE ' . $conditionSql : '') . $orderBySql, $limit, $offset)
. $lockSql;
}
/**
* Get the FROM and optionally JOIN conditions to lock the entity managed by this persister.
*
* @return string
*/
public function getLockTablesSql()
{
$idColumns = $this->_class->getIdentifierColumnNames();
$baseTableAlias = $this->_getSQLTableAlias($this->_class->name);
// INNER JOIN parent tables
$joinSql = '';
foreach ($this->_class->parentClasses as $parentClassName) {
$parentClass = $this->_em->getClassMetadata($parentClassName);
$tableAlias = $this->_getSQLTableAlias($parentClassName);
$joinSql .= ' INNER JOIN ' . $this->quoteStrategy->getTableName($parentClass, $this->_platform) . ' ' . $tableAlias . ' ON ';
$first = true;
foreach ($idColumns as $idColumn) {
if ($first) $first = false; else $joinSql .= ' AND ';
$joinSql .= $baseTableAlias . '.' . $idColumn . ' = ' . $tableAlias . '.' . $idColumn;
}
}
return 'FROM ' .$this->quoteStrategy->getTableName($this->_class, $this->_platform) . ' ' . $baseTableAlias . $joinSql;
}
/* Ensure this method is never called. This persister overrides _getSelectEntitiesSQL directly. */
protected function _getSelectColumnListSQL()
{
throw new \BadMethodCallException("Illegal invocation of ".__METHOD__.".");
}
/** {@inheritdoc} */
protected function _getInsertColumnList()
{
// Identifier columns must always come first in the column list of subclasses.
$columns = $this->_class->parentClasses ? $this->_class->getIdentifierColumnNames() : array();
foreach ($this->_class->reflFields as $name => $field) {
if (isset($this->_class->fieldMappings[$name]['inherited']) && ! isset($this->_class->fieldMappings[$name]['id'])
|| isset($this->_class->associationMappings[$name]['inherited'])
|| ($this->_class->isVersioned && $this->_class->versionField == $name)) {
continue;
}
if (isset($this->_class->associationMappings[$name])) {
$assoc = $this->_class->associationMappings[$name];
if ($assoc['type'] & ClassMetadata::TO_ONE && $assoc['isOwningSide']) {
foreach ($assoc['targetToSourceKeyColumns'] as $sourceCol) {
$columns[] = $sourceCol;
}
}
} else if ($this->_class->name != $this->_class->rootEntityName ||
! $this->_class->isIdGeneratorIdentity() || $this->_class->identifier[0] != $name) {
$columns[] = $this->quoteStrategy->getColumnName($name, $this->_class, $this->_platform);
$this->_columnTypes[$name] = $this->_class->fieldMappings[$name]['type'];
}
}
// Add discriminator column if it is the topmost class.
if ($this->_class->name == $this->_class->rootEntityName) {
$columns[] = $this->_class->discriminatorColumn['name'];
}
return $columns;
}
/**
* {@inheritdoc}
*/
protected function assignDefaultVersionValue($entity, $id)
{
$value = $this->fetchVersionValue($this->_getVersionedClassMetadata(), $id);
$this->_class->setFieldValue($entity, $this->_class->versionField, $value);
}
}
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