/// Establishes a link relation between this actor and `x`
/// and returns whether the operation succeeded.
inline bool establish_backlink(abstract_actor* x) {
return link_impl(establish_backlink_op, x);
}
/// Removes the link relation between this actor and `x`
/// and returns whether the operation succeeded.
inline bool remove_backlink(abstract_actor* x) {
return link_impl(remove_backlink_op, x);
}
void unlink_from(const ActorHandle& x) {
auto ptr = actor_cast<abstract_actor*>(x);
if (!ptr || ptr == this)
return;
link_impl(remove_link_op, ptr);
}
/// Unlinks this actor from `x`.
void unlink_from(const actor_addr& x) {
auto ptr = actor_cast<strong_actor_ptr>(x);
if (!ptr || ptr->get() == this)
return;
link_impl(remove_link_op, ptr->get());
}
void link_to(const ActorHandle& x) {
auto ptr = actor_cast<abstract_actor*>(x);
if (!ptr || ptr == this)
return;
link_impl(establish_link_op, ptr);
}
/// Links this actor to `x`.
void link_to(const actor_addr& x) {
auto ptr = actor_cast<strong_actor_ptr>(x);
if (!ptr || ptr->get() == this)
return;
link_impl(establish_link_op, ptr->get());
}