as3io / modlr

     *

     * Overloaded to support relationships.

     */

    public function clear($key)

    {

        if (true === $this->isHasOne($key)) {

            return $this->setHasOne($key, null);

        }

        if (true === $this->isInverse($key)) {

            throw ModelException::cannotModifyInverse($this, $key);

        }

        if (true === $this->isHasMany($key)) {

            $collection = $this->hasManyRelationships->get($key);

            $collection->clear();

            $this->doDirtyCheck();

            return $this;

        }

        return parent::clear($key);

    }

    /**

     * Enables or disables has-many collection auto-initialization from the database.

     * @param   Model   $model

     * @return  self

     */

    public function push($key, Model $model)

    {

        if (true === $this->isHasOne($key)) {

            return $this->setHasOne($key, $model);

        }

        if (false === $this->isHasMany($key)) {

            return $this;

        }

        if (true === $this->isInverse($key)) {

            throw ModelException::cannotModifyInverse($this, $key);

        }

        $this->touch();

        $collection = $this->hasManyRelationships->get($key);

        $collection->push($model);

        $this->doDirtyCheck();

        return $this;

    }

    /**

     * Reloads the model from the database.