Repository.php

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<?php
namespace TYPO3\CMS\Extbase\Persistence;

class Repository implements RepositoryInterface, \TYPO3\CMS\Core\SingletonInterface {

    protected $identityMap;

    protected $backend;

    protected $session;

    protected $persistenceManager;

    protected $objectManager;

    protected $objectType;

    protected $defaultOrderings = array();

    protected $defaultQuerySettings = NULL;

    public function __construct(\TYPO3\CMS\Extbase\Object\ObjectManagerInterface $objectManager) {
        $this->objectManager = $objectManager;

        $nsSeparator = strpos($this->getRepositoryClassName(), '\\') !== FALSE ? '\\\\' : '_';
        $this->objectType = preg_replace(array('/' . $nsSeparator . 'Repository' . $nsSeparator . '(?!.*' . $nsSeparator . 'Repository' . $nsSeparator . ')/', '/Repository$/'), array($nsSeparator . 'Model' . $nsSeparator, ''), $this->getRepositoryClassName());
    }

    public function add($object) {
        if (!$object instanceof $this->objectType) {
            throw new \TYPO3\CMS\Extbase\Persistence\Exception\IllegalObjectTypeException('The object given to add() was not of the type (' . $this->objectType . ') this repository manages.', 1248363335);
        }
        $this->persistenceManager->add($object);
    }

    public function remove($object) {
        if (!$object instanceof $this->objectType) {
            throw new \TYPO3\CMS\Extbase\Persistence\Exception\IllegalObjectTypeException('The object given to remove() was not of the type (' . $this->objectType . ') this repository manages.', 1248363336);
        }
        $this->persistenceManager->remove($object);
    }

    public function replace($existingObject, $newObject) {
        // Does nothing here as explicit update replaces objects in persistence session already
    }

    public function update($modifiedObject) {
        if (!$modifiedObject instanceof $this->objectType) {
            throw new \TYPO3\CMS\Extbase\Persistence\Exception\IllegalObjectTypeException('The modified object given to update() was not of the type (' . $this->objectType . ') this repository manages.', 1249479625);
        }
        $this->persistenceManager->update($modifiedObject);
    }

    public function findAll() {
        return $this->createQuery()->execute();
    }

    public function countAll() {
        return $this->createQuery()->execute()->count();
    }

    public function removeAll() {
        foreach ($this->findAll() AS $object) {
            $this->remove($object);
        }
    }

    public function findByUid($uid) {
        return $this->findByIdentifier($uid);
    }

    public function findByIdentifier($identifier) {
        if ($this->session->hasIdentifier($identifier, $this->objectType)) {
            $object = $this->session->getObjectByIdentifier($identifier, $this->objectType);
        } else {
            $query = $this->createQuery();
            $query->getQuerySettings()->setRespectStoragePage(FALSE);
            $query->getQuerySettings()->setRespectSysLanguage(FALSE);
            $object = $query->matching($query->equals('uid', $identifier))->execute()->getFirst();
        }

        return $object;
    }

    public function setDefaultOrderings(array $defaultOrderings) {
        $this->defaultOrderings = $defaultOrderings;
    }

    public function setDefaultQuerySettings(\TYPO3\CMS\Extbase\Persistence\Generic\QuerySettingsInterface $defaultQuerySettings) {
        $this->defaultQuerySettings = $defaultQuerySettings;
    }

    public function createQuery() {
        $query = $this->persistenceManager->createQueryForType($this->objectType);
        if ($this->defaultOrderings !== array()) {
            $query->setOrderings($this->defaultOrderings);
        }
        if ($this->defaultQuerySettings !== NULL) {
            $query->setQuerySettings(clone $this->defaultQuerySettings);
        }
        return $query;
    }

    public function __call($methodName, $arguments) {
        if (substr($methodName, 0, 6) === 'findBy' && strlen($methodName) > 7) {
            $propertyName = lcfirst(substr($methodName, 6));
            $query = $this->createQuery();
            $result = $query->matching($query->equals($propertyName, $arguments[0]))->execute();
            return $result;
        } elseif (substr($methodName, 0, 9) === 'findOneBy' && strlen($methodName) > 10) {
            $propertyName = lcfirst(substr($methodName, 9));
            $query = $this->createQuery();

            $result = $query->matching($query->equals($propertyName, $arguments[0]))->setLimit(1)->execute();
            if ($result instanceof QueryResultInterface) {
                return $result->getFirst();
            } elseif (is_array($result)) {
                return isset($result[0]) ? $result[0] : NULL;
            }

        } elseif (substr($methodName, 0, 7) === 'countBy' && strlen($methodName) > 8) {
            $propertyName = lcfirst(substr($methodName, 7));
            $query = $this->createQuery();
            $result = $query->matching($query->equals($propertyName, $arguments[0]))->execute()->count();
            return $result;
        }
        throw new \TYPO3\CMS\Extbase\Persistence\Generic\Exception\UnsupportedMethodException('The method "' . $methodName . '" is not supported by the repository.', 1233180480);
    }

    protected function getRepositoryClassName() {
        return get_class($this);
    }
}