Observer.hpp
#if !defined(__OBSERVER_HPP)
#define __OBSERVER_HPP
/*
CoreLinux++
Copyright (C) 2000 CoreLinux Consortium
The CoreLinux++ Library 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 of the
License, or (at your option) any later version.
The CoreLinux++ Library Library 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 the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#if !defined(__COMMON_HPP)
#include <Common.hpp>
#endif
#if !defined(__EVENT_HPP)
#include <Event.hpp>
#endif
namespace corelinux
{
DECLARE_CLASS( Subject );
DECLARE_CLASS( Observer );
class Observer
{
public:
//
// Constructors and destructor
//
Observer( void ) ;
Observer( ObserverCref );
virtual ~Observer( void );
//
// Operator overloads
//
ObserverRef operator=( ObserverCref );
bool operator==( ObserverCref ) const;
bool operator!=( ObserverCref ) const;
//
// Accessors
//
//
// Mutators
//
virtual void event( Event<Identifier> * )
throw ( NullPointerException );
protected:
private:
};
}
#endif // if !defined(__OBSERVER_HPP)
/*
Common rcs information do not modify
$Author: prudhomm $
$Revision: 1.2 $
$Date: 2000/08/31 22:52:20 $
$Locker: $
*/
corelinux::Observer
Observer observes Subjets and supports the event interface for recieving subject event notifications...
Definition: Observer.hpp:44
corelinux::Observer::operator==
bool operator==(ObserverCref) const
Equality operator.
Definition: Observer.cpp:71
corelinux
Forward reference the various common classes.
Definition: AbstractAllocator.hpp:32
corelinux::NullPointerException
NullPointerException is the base exception type for NullPointer.
Definition: NullPointerException.hpp:40
corelinux::Observer::event
virtual void event(Event< Identifier > *)
Called by Subject::notifyObservers if this observer instance is registered for the event type...
Definition: Observer.cpp:97
corelinux::Observer::operator!=
bool operator!=(ObserverCref) const
In-Equality operator.
Definition: Observer.cpp:90
corelinux::Observer::~Observer
virtual ~Observer(void)
Virtual destructor.
Definition: Observer.cpp:53
corelinux::Event
Event provides a type basis for event ontologies.
Definition: Event.hpp:35
corelinux::Observer::Observer
Observer(void)
Default constructor.
Definition: Observer.cpp:35
corelinux::Observer::operator=
ObserverRef operator=(ObserverCref)
Assignment operator.
Definition: Observer.cpp:62

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Provided by The CoreLinux Consortium