poco/Foundation/include/Poco/FIFOEvent.h
Guenter Obiltschnig 768642ae98 sources for 1.3
2006-11-17 16:21:51 +00:00

91 lines
2.7 KiB
C++

//
// FIFOEvent.h
//
// $Id: //poco/1.3/Foundation/include/Poco/FIFOEvent.h#1 $
//
// Library: Foundation
// Package: Events
// Module: FIFOEvent
//
// Implementation of the FIFOEvent 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_FIFOEvent_INCLUDED
#define Foundation_FIFOEvent_INCLUDED
#include "Poco/AbstractEvent.h"
#include "Poco/FIFOStrategy.h"
#include "Poco/AbstractDelegate.h"
#include "Poco/CompareFunctions.h"
namespace Poco {
template <class TArgs>
class FIFOEvent: public AbstractEvent <
TArgs,
FIFOStrategy<TArgs, AbstractDelegate<TArgs>, p_less<AbstractDelegate< TArgs> > >,
AbstractDelegate<TArgs>
>
/// A FIFOEvent uses internally a FIFOStrategy which guarantees
/// that delegates are invoked in the order they were added to
/// the event.
///
/// Note that one object can only register one method to a FIFOEvent.
/// Subsequent registrations will overwrite the existing delegate.
/// For example:
/// FIFOEvent<int> tmp;
/// MyClass myObject;
/// tmp += Delegate<MyClass, int>(&myObject, &MyClass::myMethod1);
/// tmp += Delegate<MyClass, int>(&myObject, &MyClass::myMethod2);
///
/// The second registration will overwrite the first one.
{
public:
FIFOEvent()
{
}
~FIFOEvent()
{
}
private:
FIFOEvent(const FIFOEvent& e);
FIFOEvent& operator = (const FIFOEvent& e);
};
} // namespace Poco
#endif