activemethod.cpp

C++ class libraries for network-centric, portable applications, integrated perfectly with the C++ St

//
// ActiveMethod.cpp
//
// $Id: //poco/1.2/Foundation/samples/ActiveMethod/src/ActiveMethod.cpp#1 $
//
// This sample demonstrates the ActiveMethod and ActiveResult classes.
//
// Copyright (c) 2004-2006, 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.
//


#include "Poco/ActiveMethod.h"
#include "Poco/ActiveResult.h"
#include <iostream>


using Poco::ActiveMethod;
using Poco::ActiveResult;


class ActiveMethodExample
{
public:
	struct AddArgs
	{
		int a;
		int b;
	};
	
	ActiveMethodExample():
		activeAdd(this, &ActiveMethodExample::activeAddImp)
	{
	}
	
	ActiveMethod<int, AddArgs, ActiveMethodExample> activeAdd;
	
private:
	int activeAddImp(const AddArgs& args)
	{
		return args.a + args.b;
	}
};


int main(int argc, char** argv)
{
	ActiveMethodExample example;
	
	ActiveMethodExample::AddArgs args = {1, 2};
	ActiveResult<int> result = example.activeAdd(args);
	result.wait();
	std::cout << result.data() << std::endl;
	
	return 0;
}