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//
// ActiveRunnable.h
//
// Library: Foundation
// Package: Threading
// Module: ActiveObjects
//
// Definition of the ActiveRunnable class.
//
// Copyright (c) 2004-2007, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_ActiveRunnable_INCLUDED
#define Foundation_ActiveRunnable_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/ActiveResult.h"
#include "Poco/Runnable.h"
#include "Poco/RefCountedObject.h"
#include "Poco/AutoPtr.h"
#include "Poco/Exception.h"
namespace Poco {
class ActiveRunnableBase: public Runnable, public RefCountedObject
/// The base class for all ActiveRunnable instantiations.
{
public:
typedef AutoPtr<ActiveRunnableBase> Ptr;
};
template <class ResultType, class ArgType, class OwnerType>
class ActiveRunnable: public ActiveRunnableBase
/// This class is used by ActiveMethod.
/// See the ActiveMethod class for more information.
{
public:
typedef ResultType (OwnerType::*Callback)(const ArgType&);
typedef ActiveResult<ResultType> ActiveResultType;
ActiveRunnable(OwnerType* pOwner, Callback method, const ArgType& arg, const ActiveResultType& result):
_pOwner(pOwner),
_method(method),
_arg(arg),
_result(result)
{
poco_check_ptr (pOwner);
}
void run()
{
ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
try
{
_result.data(new ResultType((_pOwner->*_method)(_arg)));
}
catch (Exception& e)
{
_result.error(e);
}
catch (std::exception& e)
{
_result.error(e.what());
}
catch (...)
{
_result.error("unknown exception");
}
_result.notify();
}
private:
OwnerType* _pOwner;
Callback _method;
ArgType _arg;
ActiveResultType _result;
};
template <class ArgType, class OwnerType>
class ActiveRunnable<void, ArgType, OwnerType>: public ActiveRunnableBase
/// This class is used by ActiveMethod.
/// See the ActiveMethod class for more information.
{
public:
typedef void (OwnerType::*Callback)(const ArgType&);
typedef ActiveResult<void> ActiveResultType;
ActiveRunnable(OwnerType* pOwner, Callback method, const ArgType& arg, const ActiveResultType& result):
_pOwner(pOwner),
_method(method),
_arg(arg),
_result(result)
{
poco_check_ptr (pOwner);
}
void run()
{
ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
try
{
(_pOwner->*_method)(_arg);
}
catch (Exception& e)
{
_result.error(e);
}
catch (std::exception& e)
{
_result.error(e.what());
}
catch (...)
{
_result.error("unknown exception");
}
_result.notify();
}
private:
OwnerType* _pOwner;
Callback _method;
ArgType _arg;
ActiveResultType _result;
};
template <class ResultType, class OwnerType>
class ActiveRunnable<ResultType, void, OwnerType>: public ActiveRunnableBase
/// This class is used by ActiveMethod.
/// See the ActiveMethod class for more information.
{
public:
typedef ResultType (OwnerType::*Callback)();
typedef ActiveResult<ResultType> ActiveResultType;
ActiveRunnable(OwnerType* pOwner, Callback method, const ActiveResultType& result):
_pOwner(pOwner),
_method(method),
_result(result)
{
poco_check_ptr (pOwner);
}
void run()
{
ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
try
{
_result.data(new ResultType((_pOwner->*_method)()));
}
catch (Exception& e)
{
_result.error(e);
}
catch (std::exception& e)
{
_result.error(e.what());
}
catch (...)
{
_result.error("unknown exception");
}
_result.notify();
}
private:
OwnerType* _pOwner;
Callback _method;
ActiveResultType _result;
};
template <class OwnerType>
class ActiveRunnable<void, void, OwnerType>: public ActiveRunnableBase
/// This class is used by ActiveMethod.
/// See the ActiveMethod class for more information.
{
public:
typedef void (OwnerType::*Callback)();
typedef ActiveResult<void> ActiveResultType;
ActiveRunnable(OwnerType* pOwner, Callback method, const ActiveResultType& result):
_pOwner(pOwner),
_method(method),
_result(result)
{
poco_check_ptr (pOwner);
}
void run()
{
ActiveRunnableBase::Ptr guard(this, false); // ensure automatic release when done
try
{
(_pOwner->*_method)();
}
catch (Exception& e)
{
_result.error(e);
}
catch (std::exception& e)
{
_result.error(e.what());
}
catch (...)
{
_result.error("unknown exception");
}
_result.notify();
}
private:
OwnerType* _pOwner;
Callback _method;
ActiveResultType _result;
};
} // namespace Poco
#endif // Foundation_ActiveRunnable_INCLUDED
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