/******************************************************************************
*
* Copyright (c) 2015 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Callback.h
*
*****************************************************************************/
//2015/06/01
#pragma once
#include <oz++/CommonObject.h>
namespace OZ {
template <class CLASS, //A pointer to a C++ class
typename METHOD, //A pointer to a method of CLASS
typename PARAM> //A parameter to a callback
class Callback :public CommonObject {
private:
CLASS object; //A pointer to an instance of CLASS
METHOD method; //A pointer to a a method of CLASS
public:
Callback()
:object(NULL),
method(NULL)
{
}
public:
void set(CLASS object, METHOD method)
{
if (object && method) {
this -> object = object;
this -> method = method;
} else {
throw IException("Invalid argument");
}
}
void call(PARAM param)
{
if (object && method) {
(object->*method)(param);
}
}
};
}