286 lines
8.3 KiB
PHP
286 lines
8.3 KiB
PHP
<?php
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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 MIT license. 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\EntityManager;
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use Doctrine\ORM\PersistentCollection;
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/**
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* Base class for all collection persisters.
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*
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* @since 2.0
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* @author Roman Borschel <roman@code-factory.org>
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*/
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abstract class AbstractCollectionPersister
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{
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/**
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* @var EntityManager
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*/
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protected $em;
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/**
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* @var \Doctrine\DBAL\Connection
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*/
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protected $conn;
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/**
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* @var \Doctrine\ORM\UnitOfWork
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*/
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protected $uow;
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/**
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* The database platform.
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*
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* @var \Doctrine\DBAL\Platforms\AbstractPlatform
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*/
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protected $platform;
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/**
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* The quote strategy.
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*
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* @var \Doctrine\ORM\Mapping\QuoteStrategy
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*/
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protected $quoteStrategy;
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/**
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* Initializes a new instance of a class derived from AbstractCollectionPersister.
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*
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* @param \Doctrine\ORM\EntityManager $em
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*/
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public function __construct(EntityManager $em)
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{
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$this->em = $em;
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$this->uow = $em->getUnitOfWork();
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$this->conn = $em->getConnection();
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$this->platform = $this->conn->getDatabasePlatform();
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$this->quoteStrategy = $em->getConfiguration()->getQuoteStrategy();
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}
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/**
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* Deletes the persistent state represented by the given collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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public function delete(PersistentCollection $coll)
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{
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$mapping = $coll->getMapping();
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if ( ! $mapping['isOwningSide']) {
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return; // ignore inverse side
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}
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$sql = $this->getDeleteSQL($coll);
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$this->conn->executeUpdate($sql, $this->getDeleteSQLParameters($coll));
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}
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/**
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* Gets the SQL statement for deleting the given collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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abstract protected function getDeleteSQL(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to delete
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* the given collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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abstract protected function getDeleteSQLParameters(PersistentCollection $coll);
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/**
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* Updates the given collection, synchronizing it's state with the database
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* by inserting, updating and deleting individual elements.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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public function update(PersistentCollection $coll)
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{
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$mapping = $coll->getMapping();
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if ( ! $mapping['isOwningSide']) {
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return; // ignore inverse side
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}
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$this->deleteRows($coll);
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$this->insertRows($coll);
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}
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/**
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* Delete rows
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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public function deleteRows(PersistentCollection $coll)
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{
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$diff = $coll->getDeleteDiff();
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$sql = $this->getDeleteRowSQL($coll);
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foreach ($diff as $element) {
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$this->conn->executeUpdate($sql, $this->getDeleteRowSQLParameters($coll, $element));
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}
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}
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/**
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* Insert rows
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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public function insertRows(PersistentCollection $coll)
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{
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$diff = $coll->getInsertDiff();
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$sql = $this->getInsertRowSQL($coll);
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foreach ($diff as $element) {
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$this->conn->executeUpdate($sql, $this->getInsertRowSQLParameters($coll, $element));
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}
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}
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/**
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* Count the size of this persistent collection
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*
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* @return integer
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*/
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public function count(PersistentCollection $coll)
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{
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throw new \BadMethodCallException("Counting the size of this persistent collection is not supported by this CollectionPersister.");
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}
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/**
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* Slice elements
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param integer $offset
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* @param integer $length
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*
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* @return array
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*/
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public function slice(PersistentCollection $coll, $offset, $length = null)
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{
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throw new \BadMethodCallException("Slicing elements is not supported by this CollectionPersister.");
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}
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/**
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* Check for existance of an element
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param object $element
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*
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* @return boolean
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*/
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public function contains(PersistentCollection $coll, $element)
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{
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throw new \BadMethodCallException("Checking for existance of an element is not supported by this CollectionPersister.");
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}
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/**
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* Check for existance of a key
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param mixed $key
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*
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* @return boolean
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*/
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public function containsKey(PersistentCollection $coll, $key)
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{
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throw new \BadMethodCallException("Checking for existance of a key is not supported by this CollectionPersister.");
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}
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/**
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* Remove an element
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param object $element
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*
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* @return mixed
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*/
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public function removeElement(PersistentCollection $coll, $element)
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{
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throw new \BadMethodCallException("Removing an element is not supported by this CollectionPersister.");
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}
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/**
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* Remove an element by key
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*
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* @param mixed $key
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*/
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public function removeKey(PersistentCollection $coll, $key)
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{
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throw new \BadMethodCallException("Removing a key is not supported by this CollectionPersister.");
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}
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/**
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* Get an element by key
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param mixed $index
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*
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* @return mixed
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*/
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public function get(PersistentCollection $coll, $index)
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{
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throw new \BadMethodCallException("Selecting a collection by index is not supported by this CollectionPersister.");
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}
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/**
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* Gets the SQL statement used for deleting a row from the collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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abstract protected function getDeleteRowSQL(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to delete the given
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* element from the given collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param mixed $element
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*/
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abstract protected function getDeleteRowSQLParameters(PersistentCollection $coll, $element);
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/**
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* Gets the SQL statement used for updating a row in the collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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abstract protected function getUpdateRowSQL(PersistentCollection $coll);
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/**
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* Gets the SQL statement used for inserting a row in the collection.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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*/
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abstract protected function getInsertRowSQL(PersistentCollection $coll);
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/**
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* Gets the SQL parameters for the corresponding SQL statement to insert the given
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* element of the given collection into the database.
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*
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* @param \Doctrine\ORM\PersistentCollection $coll
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* @param mixed $element
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*/
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abstract protected function getInsertRowSQLParameters(PersistentCollection $coll, $element);
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}
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