Jackalope\Node::setMixins PHP Method

    public function setMixins(array $mixinNames)
    {
        $toRemove = array();
        if ($this->hasProperty('jcr:mixinTypes')) {
            foreach ($this->getPropertyValue('jcr:mixinTypes') as $mixin) {
                if (false !== ($key = array_search($mixin, $mixinNames))) {
                    unset($mixinNames[$key]);
                } else {
                    $toRemove[] = $mixin;
                }
            }
        }
        if (!(count($toRemove) || count($mixinNames))) {
            return;
            // nothing to do
        }
        // make sure the new types actually exist before we add anything
        $ntm = $this->session->getWorkspace()->getNodeTypeManager();
        foreach ($mixinNames as $mixinName) {
            $nodeType = $ntm->getNodeType($mixinName);
            if (!$nodeType->isMixin()) {
                throw new ConstraintViolationException("Trying to add a mixin '{$mixinName}' that is a primary type");
            }
        }
        foreach ($mixinNames as $type) {
            $this->addMixin($type);
        }
        foreach ($toRemove as $type) {
            $this->removeMixin($type);
        }
    }