/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * Observer.cpp
 *
 *  Created on: Jan 19, 2010
 *      Author: crueger
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "CodePatterns/MemDebug.hpp"

#include "CodePatterns/Observer/Observer.hpp"

#include <iostream>

#include "CodePatterns/Assert.hpp"
#ifdef LOG_OBSERVER
#include "CodePatterns/Observer/ObserverLog.hpp"
#endif


/** Constructor for class Observer.
 */
Observer::Observer(std::string name)
{
#ifdef LOG_OBSERVER
  observerLog().addName(this,name);
  observerLog().addMessage() << "++ Creating Observer " << observerLog().getName(this);
#endif
}

/**
 * Base Constructor for class Observer
 *
 * only called from Observable Constructor
 */
Observer::Observer(Observer::BaseConstructor){
#ifdef LOG_OBSERVER
  observerLog().addObservable(this);
#endif
}

/** Destructor for class Observer.
 */
Observer::~Observer()
{
#ifdef LOG_OBSERVER
  if(!observerLog().isObservable(this)){
    observerLog().addMessage() << "-- Destroying Observer " << observerLog().getName(this);
  }
#endif
}

/**
 * Method for specialized notifications.
 * Most Observers wont need or use this, so it is implemented
 * empty in the base case;
 */
void Observer::recieveNotification(Observable *publisher, Notification_ptr notification){
  ASSERT(0,"Notification received by object that did not sign on for it or did you not implement this function?");
}