void setId(Util::Reference<Obj> obj,const Util::StringIdentifier & id){
if(!id.empty()) // remove a obj possibly previously registered with the id
removeId( id );
if(obj.isNotNull()) // remove the obj's old id
removeId( obj.get() );
if(obj.isNotNull()&&!id.empty()){ // register the obj using the new id
map_objToId.emplace(obj.get(),id);
map_idToObj.emplace(id, std::move(obj));
}
}
Util::StringIdentifier createAndSetId(Util::Reference<Obj> obj){
Util::StringIdentifier id = getId(obj.get());
if(obj.isNotNull() && id.empty()) {
do { // Create a new, random identifier....
id = Util::StringIdentifier("$" + Util::StringUtils::createRandomString(6));
}while( get(id) ); // ... until an unused one is found.
setId(obj,id);
}
return id;
}