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doctrine2/lib/Doctrine/ORM/Mapping/Driver/DriverChain.php

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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\Mapping\Driver;
use Doctrine\ORM\Mapping\Driver\Driver,
Doctrine\ORM\Mapping\ClassMetadataInfo,
Doctrine\ORM\Mapping\MappingException;
/**
* The DriverChain allows you to add multiple other mapping drivers for
* certain namespaces
*
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan H. Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
* @todo Rename: MappingDriverChain or MetadataDriverChain
*/
class DriverChain implements Driver
{
/**
* @var array
*/
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private $drivers = array();
/**
* The default driver
*
* @var Driver
*/
private $defaultDriver;
/**
* Get the default driver.
*
* @return Driver
*/
public function getDefaultDriver()
{
return $this->defaultDriver;
}
/**
* Set the default driver.
*
* @param Driver $driver
*/
public function setDefaultDriver(Driver $driver)
{
$this->defaultDriver = $driver;
}
/**
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* Add a nested driver.
*
* @param Driver $nestedDriver
* @param string $namespace
*/
public function addDriver(Driver $nestedDriver, $namespace)
{
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$this->drivers[$namespace] = $nestedDriver;
}
/**
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* Get the array of nested drivers.
*
* @return array $drivers
*/
public function getDrivers()
{
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return $this->drivers;
}
/**
* Loads the metadata for the specified class into the provided container.
*
* @param string $className
* @param ClassMetadataInfo $metadata
*/
public function loadMetadataForClass($className, ClassMetadataInfo $metadata)
{
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foreach ($this->drivers as $namespace => $driver) {
if (strpos($className, $namespace) === 0) {
$driver->loadMetadataForClass($className, $metadata);
return;
}
}
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if ($this->defaultDriver !== null) {
$this->defaultDriver->loadMetadataForClass($className, $metadata);
return;
}
throw MappingException::classIsNotAValidEntityOrMappedSuperClass($className);
}
/**
* Gets the names of all mapped classes known to this driver.
*
* @return array The names of all mapped classes known to this driver.
*/
public function getAllClassNames()
{
$classNames = array();
$driverClasses = array();
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foreach ($this->drivers as $namespace => $driver) {
$oid = spl_object_hash($driver);
if (!isset($driverClasses[$oid])) {
$driverClasses[$oid] = $driver->getAllClassNames();
}
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foreach ($driverClasses[$oid] as $className) {
if (strpos($className, $namespace) === 0) {
$classNames[$className] = true;
}
}
}
return array_keys($classNames);
}
/**
* Whether the class with the specified name should have its metadata loaded.
*
* This is only the case for non-transient classes either mapped as an Entity or MappedSuperclass.
*
* @param string $className
* @return boolean
*/
public function isTransient($className)
{
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foreach ($this->drivers as $namespace => $driver) {
if (strpos($className, $namespace) === 0) {
return $driver->isTransient($className);
}
}
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if ($this->defaultDriver !== null) {
return $this->defaultDriver->isTransient($className);
}
// class isTransient, i.e. not an entity or mapped superclass
return true;
}
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}