/**
* Sets a single ChildRolePermission object as related to this object by a one-to-one relationship.
*
* @param ChildRolePermission $v ChildRolePermission
* @return $this|\ORM\Role The current object (for fluent API support)
* @throws PropelException
*/
public function setPermission(ChildRolePermission $v = null)
{
$this->singlePermission = $v;
// Make sure that that the passed-in ChildRolePermission isn't already associated with this object
if ($v !== null && $v->getRole(null, false) === null) {
$v->setRole($this);
}
return $this;
}