I did what you suggested and it worked! Thanks for help. Best Regards.
2011/2/19 Murphy McCauley <jam...@nau.edu> > So putting static on a member in a class declaration is only a declaration > -- you still need a definition. This is done outside of the class > declaration itself (much like how most methods at declared in the class > declaration but defined elsewhere). So generally this means that if you add > "static Fetcher_map active_fetchers;" to the class declaration for the class > MyClass in MyClass.hh, you then add something like the following in your > MyClass.cc: > > Fetcher_map MyClass::active_fetchers; > > Hope that helps. > > -- Murphy > > On Feb 18, 2011, at 8:12 PM, Ricardo Bennesby wrote: > > > Hi. I declared the attribute with static modifier in header file as > follows: > > private: > > static Fetcher_map active_fetchers; > > But it doesn't compile when I put the static modifier. > > This accessed in .cc file in different methods and initialized. But when > it is accessed in methods called by event handlers, as flow_stats_in, it > seems that another instance of active_fetcher is created, because it size is > zero. > > So I would like to know if I am using the correct modifier or if I can > have the same instance of class some other manner, without using modifiers. > > Thank you so much. > > > > 2011/2/18 Murphy McCauley <jam...@nau.edu> > > You say you tried to use the static modifier but it didn't work. Could > you explain a bit more what you mean by "didn't work"? Didn't compile? > Didn't have the expected results? Also, a short code snippet might be > helpful. > > > > -- Murphy > > > > On Feb 17, 2011, at 4:37 PM, Ricardo Bennesby wrote: > > > >> Hi all, > >> > >> I am developing a component using C++ and I am having the following > problem: > >> In header file, in the definition of a class, I declared an attribute > and I want that this attribute belongs to the class and not to a instance of > this class. > >> I tried to use static modifier but it didn't work. > >> It seems to me that handlers of events create different instances of the > class. For example, the method handle_flow_stats_in inserts elements in a > object of the type Fetcher_map but the handle_datapath_join indicates that > the size of object is still zero. > >> > >> Sorry if I didn't make myself clear. > >> > >> Any suggestions? > >> > >> -- > >> Ricardo Bennesby da Silva > >> Ciência da Computação - UFAM > >> LabCIA - Laboratório de Computação Inteligente e Autonômica > >> > >> _______________________________________________ > >> nox-dev mailing list > >> nox-dev@noxrepo.org > >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > > > > > > > > > > -- > > Ricardo Bennesby da Silva > > Ciência da Computação - UFAM > > LabCIA - Laboratório de Computação Inteligente e Autonômica > > > > -- Ricardo Bennesby da Silva Ciência da Computação - UFAM LabCIA - Laboratório de Computação Inteligente e Autonômica
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