as3io / modlr

     * @param   Model   $model  The model to remove from the collection.

     * @return  self

     */

    public function remove($key, Model $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);

        $collection->remove($model);

        $this->doDirtyCheck();

        return $this;

    }

    /**

     * Sets a model property: an attribute value, a has-one model, or an entire has-many model collection.

     * @param   Model|null  $model  The model to relate.

     * @return  self

     */

    protected function setHasOne($key, Model $model = null)

    {

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

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

        }

        if (null !== $model) {

            $this->validateRelSet($key, $model->getType());

        }

        $this->touch();

        $this->hasOneRelationships->set($key, $model);

        $this->doDirtyCheck();

        return $this;

    }

    /**

     * Validates that the model type (from a Model or Collection instance) can be set to the relationship field.