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/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef INVOKER_H_CAC11892
#define INVOKER_H_CAC11892
#include "uscxml/Common.h"
#include "uscxml/plugins/EventHandler.h"
#include "uscxml/messages/InvokeRequest.h"
namespace uscxml {
class InterpreterImpl;
class USCXML_API InvokerImpl : public EventHandlerImpl {
public:
virtual ~InvokerImpl() {}
virtual void invoke(const InvokeRequest& req) = 0;
virtual void uninvoke() {}
virtual bool deleteOnUninvoke() {
return true;
}
virtual boost::shared_ptr<InvokerImpl> create(InterpreterImpl* interpreter) = 0;
};
class USCXML_API Invoker : public EventHandler {
public:
Invoker() : _impl() {}
Invoker(boost::shared_ptr<InvokerImpl> const impl) : EventHandler(impl), _impl(impl) { }
Invoker(const Invoker& other) : EventHandler(other._impl), _impl(other._impl) { }
virtual ~Invoker() {};
operator bool() const {
return !!_impl;
}
bool operator< (const Invoker& other) const {
return _impl < other._impl;
}
bool operator==(const Invoker& other) const {
return _impl == other._impl;
}
bool operator!=(const Invoker& other) const {
return _impl != other._impl;
}
Invoker& operator= (const Invoker& other) {
_impl = other._impl;
EventHandler::_impl = _impl;
return *this;
}
virtual void invoke(InvokeRequest& req) {
_impl->invoke(req);
}
virtual void uninvoke() {
_impl->uninvoke();
}
virtual bool deleteOnUninvoke() {
return _impl->deleteOnUninvoke();
}
protected:
boost::shared_ptr<InvokerImpl> _impl;
};
}
#endif /* end of include guard: INVOKER_H_CAC11892 */
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