doctrine / mongodb-odm

     * @param object $document The instance to make managed and persistent.

     * @throws \InvalidArgumentException When the given $document param is not an object

     */

    public function persist($document)

    {

        if ( ! is_object($document)) {

            throw new \InvalidArgumentException(gettype($document));

        }

        $this->errorIfClosed();

        $this->unitOfWork->persist($document);

    }

    /**

     * Removes a document instance.

     * @param object $document The document instance to remove.

     * @throws \InvalidArgumentException when the $document param is not an object

     */

    public function remove($document)

    {

        if ( ! is_object($document)) {

            throw new \InvalidArgumentException(gettype($document));

        }

        $this->errorIfClosed();

        $this->unitOfWork->remove($document);

    }

    /**

     * Refreshes the persistent state of a document from the database,

     * @param object $document The document to refresh.

     * @throws \InvalidArgumentException When the given $document param is not an object

     */

    public function refresh($document)

    {

        if ( ! is_object($document)) {

            throw new \InvalidArgumentException(gettype($document));

        }

        $this->errorIfClosed();

        $this->unitOfWork->refresh($document);

    }

    /**

     * Detaches a document from the DocumentManager, causing a managed document to

     * @throws \InvalidArgumentException if the $document param is not an object

     * @return object The managed copy of the document.

     */

    public function merge($document)

    {

        if ( ! is_object($document)) {

            throw new \InvalidArgumentException(gettype($document));

        }

        $this->errorIfClosed();

        return $this->unitOfWork->merge($document);

    }

    /**

     * Acquire a lock on the given document.