subject.h File Reference

#include "tr/interface.h"

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Typedefs
typedef void(*	fptr_subjectAttach) (void *, void *)
typedef void(*	fptr_subjectDetach) (void *, void *)
typedef void(*	fptr_subjectNotify) (void *)

Functions
	TR_INTERFACE (TR_Subject)
void	TR_subjectAttach (void *subject, void *observer)
void	TR_subjectDetach (void *subject, void *observer)
void	TR_subjectNotify (void *subject)

Detailed Description

Definition of the subject pattern implementation.

Author

Georg Hopp

Copyright

Copyright © 2014 Georg Hopp

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file subject.h.

Typedef Documentation

typedef void(* fptr_subjectAttach) (void *, void *)

Definition at line 29 of file subject.h.

typedef void(* fptr_subjectDetach) (void *, void *)

Definition at line 30 of file subject.h.

typedef void(* fptr_subjectNotify) (void *)

Definition at line 31 of file subject.h.

Function Documentation

TR_INTERFACE

(

TR_Subject

)

Definition at line 33 of file subject.h.

References TR_IFID.

                         {
    TR_IFID;
    fptr_subjectAttach attach;
    fptr_subjectDetach detach;
    fptr_subjectNotify notify;
};

void TR_subjectAttach ( void *  subject, void *  observer  )

inline

Attach an observer to a subject. After a successfull call to this the subject will inform the observer about events.

Definition at line 46 of file subject.h.

References TR_CALL.

{
    TR_CALL(subject, TR_Subject, attach, observer);
}

void TR_subjectDetach ( void *  subject, void *  observer  )

inline

Detach an Observer from a Subject. After this no events will be propagated from the subject to the observer anymore.

Definition at line 57 of file subject.h.

References TR_CALL.

{
    TR_CALL(subject, TR_Subject, detach, observer);
}

void TR_subjectNotify ( void *  subject )

inline

Trigger the a notification of all attached observers.

Definition at line 67 of file subject.h.

References TR_CALL.

{
    TR_CALL(subject, TR_Subject, notify);
}