izzum\statemachine\State::setDescription PHP Method

    public function setDescription($description)
    {
        $this->description = $description;
        return $this;
    }

 protected function createLoader()
 {
     //we use the array loader
     //in a non-example situation we would use a backend like a
     //database for example
     //@see PDO adapter and loader
     //define the states
     $new = new State('new', State::TYPE_INITIAL);
     $green = new State('green', State::TYPE_NORMAL, State::COMMAND_NULL);
     $orange = new State('orange', State::TYPE_NORMAL);
     $red = new State('red', State::TYPE_NORMAL);
     //create the transtions by using the states
     $ng = new Transition($new, $green, 'go-green', Transition::RULE_TRUE, Transition::COMMAND_NULL);
     $go = new Transition($green, $orange, 'go-orange', 'izzum\\examples\\trafficlight\\rules\\CanSwitch', 'izzum\\examples\\trafficlight\\command\\SwitchOrange');
     $or = new Transition($orange, $red, 'go-red', 'izzum\\examples\\trafficlight\\rules\\CanSwitch', 'izzum\\examples\\trafficlight\\command\\SwitchRed');
     $rg = new Transition($red, $green, 'go-green', 'izzum\\examples\\trafficlight\\rules\\CanSwitch', 'izzum\\examples\\trafficlight\\command\\SwitchGreen');
     //set some descriptions for uml generation
     $ng->setDescription("from green to orange. use the switch to orange command");
     $go->setDescription("from new to green. this will start the cycle");
     $or->setDescription("from orange to red. use the appropriate command");
     $rg->setDescription("from red back to green.");
     $new->setDescription('the init state');
     $green->setDescription("go!");
     $orange->setDescription("looks like a shade of green...");
     $red->setDescription('stop');
     $transitions[] = $ng;
     $transitions[] = $go;
     $transitions[] = $or;
     $transitions[] = $rg;
     $loader = new LoaderArray($transitions);
     return $loader;
 }