mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-13 18:45:10 +01:00
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
//
|
|
// BasicEvent.h
|
|
//
|
|
// $Id: //poco/Main/Foundation/include/Poco/BasicEvent.h#3 $
|
|
//
|
|
// Library: Foundation
|
|
// Package: Events
|
|
// Module: BasicEvent
|
|
//
|
|
// Implementation of the BasicEvent template.
|
|
//
|
|
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
|
|
#ifndef Foundation_BasicEvent_INCLUDED
|
|
#define Foundation_BasicEvent_INCLUDED
|
|
|
|
|
|
#include "Poco/AbstractEvent.h"
|
|
#include "Poco/DefaultStrategy.h"
|
|
#include "Poco/AbstractDelegate.h"
|
|
#include "Poco/CompareFunctions.h"
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
template <class TArgs>
|
|
class BasicEvent: public AbstractEvent <
|
|
TArgs, DefaultStrategy<TArgs, AbstractDelegate<TArgs>, p_less<AbstractDelegate<TArgs> > >,
|
|
AbstractDelegate<TArgs>
|
|
>
|
|
/// A BasicEvent uses internally a DefaultStrategy which
|
|
/// invokes delegates in an arbitrary manner.
|
|
/// Note that one object can only register one method to a BasicEvent.
|
|
/// Subsequent registrations will overwrite the existing delegate.
|
|
/// For example:
|
|
/// BasicEvent<int> event;
|
|
/// MyClass myObject;
|
|
/// event += delegate(&myObject, &MyClass::myMethod1);
|
|
/// event += delegate(&myObject, &MyClass::myMethod2);
|
|
///
|
|
/// The second registration will overwrite the first one. The reason is simply that
|
|
/// function pointers can only be compared by equality but not by lower than.
|
|
{
|
|
public:
|
|
BasicEvent()
|
|
{
|
|
}
|
|
|
|
~BasicEvent()
|
|
{
|
|
}
|
|
|
|
private:
|
|
BasicEvent(const BasicEvent& e);
|
|
BasicEvent& operator = (const BasicEvent& e);
|
|
};
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif
|