// -*-C++-*- 

/*  src/observe/ObserverAdapter.cpp  */


/*
 * Author: Philogelos A. <Philogelos@yahoo.com>
 * Maintainer: Philogelos A.
 * Keywords: C++, library, containers
 *
 * Copyright (C) 1998 Philogelos A.
 *
 * This file is part of Quercus Robusta.
 *
 * Quercus Robusta is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This software 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 Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this software; see the file COPYING.LIB.  If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */


/* $Id: ObserverAdapter.cpp,v 1.3 1999/03/03 19:09:47 philogelos Exp $ */
#if !defined(_INLINE)
static char cvsid[] = "@(#)$Id: ObserverAdapter.cpp,v 1.3 1999/03/03 19:09:47 philogelos Exp $";
static char debugFileId[] = __FILE__;
#endif


#include "observe/ObserverAdapter.hpp"
#include "Debug.hpp"

ObserverAdapter::ObserverAdapter()
{
  subscribeCount = 0;
}

ObserverAdapter::~ObserverAdapter()
{
  test( subscribeCount == 0, "deleting subscribed observer" );
}

void ObserverAdapter::subscribeTo( Observable *aPublisher ) 
{
  preC_( aPublisher != nil );
  ++subscribeCount;
}

void ObserverAdapter::unsubscribeFrom( Observable *aPublisher )
{
  preC_( aPublisher != nil );
  subscribeCount--;
}

#if defined(_INLINE)
#include "../src/Debug.ipp"
#endif

/* $Log: ObserverAdapter.cpp,v $
 * Revision 1.3  1999/03/03 19:09:47  philogelos
 * Put sources under GNU Library License
 *
 * Revision 1.2  1999/02/28 16:30:51  philogelos
 * Tuned for inlines.
 *
 * Revision 1.1.1.1  1998/11/25 20:11:02  philogelos
 * Quercus Robusta
 *
 * Revision 1.1  1998/07/10 10:39:37  philogelos
 * Publish-subscribe sub-system initialised
 * */