Shanty_Mongo_Document::delete PHP Method

    public function delete($safe = true)
    {
        if (!$this->isConnected()) {
            require_once 'Shanty/Mongo/Exception.php';
            throw new Shanty_Mongo_Exception('Can not delete document. Document is not connected to a db and collection');
        }
        if ($this->isLocked()) {
            require_once 'Shanty/Mongo/Exception.php';
            throw new Shanty_Mongo_Exception('Can not save documet. Document is locked.');
        }
        $mongoCollection = $this->_getMongoCollection(true);
        // Execute pre delete hook
        $this->preDelete();
        if (!$this->isRootDocument()) {
            $result = $mongoCollection->update($this->getCriteria(), array('$unset' => array($this->getPathToDocument() => 1)), array('safe' => $safe));
        } else {
            $result = $mongoCollection->remove($this->getCriteria(), array('justOne' => true, 'safe' => $safe));
        }
        // Execute post delete hook
        $this->postDelete();
        return $result;
    }