public function persist($entity, $flush = true) {
        $this->entities->persist($entity);
        if($flush) {
            $this->entities->flush();
        }
    }
public function persist($entity, $flush = true) {
        $this->entities->persist($entity);
        if($flush) {
            $this->entities->flush();
        }
    }
public function persist ( $ entity , $ flush = true ) { $ this -> entities -> persist ( $ entity ) ; if ( $ flush ) { $ this -> entities -> flush ( ) ; } }
Persists an entity.

@param object  $entity
@param boolean $flush
@return void
Persists an entity .