/**
  * Declares an association between this object and a Alquiler object.
  *
  * @param      Alquiler $v
  * @return     SocioAlquiler The current object (for fluent API support)
  * @throws     PropelException
  */
 public function setAlquiler(Alquiler $v = null)
 {
     if ($v === null) {
         $this->setAlquilerId(NULL);
     } else {
         $this->setAlquilerId($v->getId());
     }
     $this->aAlquiler = $v;
     // Add binding for other direction of this n:n relationship.
     // If this object has already been added to the Alquiler object, it will not be re-added.
     if ($v !== null) {
         $v->addSocioAlquiler($this);
     }
     return $this;
 }