ClickHouse/contrib/libpoco/Foundation/include/Poco/PriorityDelegate.h

467 lines
12 KiB
C++
Raw Normal View History

//
// PriorityDelegate.h
//
// $Id: //poco/1.4/Foundation/include/Poco/PriorityDelegate.h#5 $
//
// Library: Foundation
// Package: Events
// Module: PriorityDelegate
//
// Implementation of the PriorityDelegate template.
//
// Copyright (c) 2006-2011, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_PriorityDelegate_INCLUDED
#define Foundation_PriorityDelegate_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/AbstractPriorityDelegate.h"
#include "Poco/PriorityExpire.h"
#include "Poco/FunctionPriorityDelegate.h"
#include "Poco/Mutex.h"
namespace Poco {
template <class TObj, class TArgs, bool useSender = true>
class PriorityDelegate: public AbstractPriorityDelegate<TArgs>
{
public:
typedef void (TObj::*NotifyMethod)(const void*, TArgs&);
PriorityDelegate(TObj* obj, NotifyMethod method, int prio):
AbstractPriorityDelegate<TArgs>(prio),
_receiverObject(obj),
_receiverMethod(method)
{
}
PriorityDelegate(const PriorityDelegate& delegate):
AbstractPriorityDelegate<TArgs>(delegate),
_receiverObject(delegate._receiverObject),
_receiverMethod(delegate._receiverMethod)
{
}
PriorityDelegate& operator = (const PriorityDelegate& delegate)
{
if (&delegate != this)
{
this->_pTarget = delegate._pTarget;
this->_receiverObject = delegate._receiverObject;
this->_receiverMethod = delegate._receiverMethod;
this->_priority = delegate._priority;
}
return *this;
}
~PriorityDelegate()
{
}
bool notify(const void* sender, TArgs& arguments)
{
Mutex::ScopedLock lock(_mutex);
if (_receiverObject)
{
(_receiverObject->*_receiverMethod)(sender, arguments);
return true;
}
else return false;
}
bool equals(const AbstractDelegate<TArgs>& other) const
{
const PriorityDelegate* pOtherDelegate = dynamic_cast<const PriorityDelegate*>(other.unwrap());
return pOtherDelegate && this->priority() == pOtherDelegate->priority() && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
AbstractDelegate<TArgs>* clone() const
{
return new PriorityDelegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
_receiverObject = 0;
}
protected:
TObj* _receiverObject;
NotifyMethod _receiverMethod;
Mutex _mutex;
private:
PriorityDelegate();
};
template <class TObj, class TArgs>
class PriorityDelegate<TObj, TArgs, false>: public AbstractPriorityDelegate<TArgs>
{
public:
typedef void (TObj::*NotifyMethod)(TArgs&);
PriorityDelegate(TObj* obj, NotifyMethod method, int prio):
AbstractPriorityDelegate<TArgs>(prio),
_receiverObject(obj),
_receiverMethod(method)
{
}
PriorityDelegate(const PriorityDelegate& delegate):
AbstractPriorityDelegate<TArgs>(delegate),
_receiverObject(delegate._receiverObject),
_receiverMethod(delegate._receiverMethod)
{
}
PriorityDelegate& operator = (const PriorityDelegate& delegate)
{
if (&delegate != this)
{
this->_pTarget = delegate._pTarget;
this->_receiverObject = delegate._receiverObject;
this->_receiverMethod = delegate._receiverMethod;
this->_priority = delegate._priority;
}
return *this;
}
~PriorityDelegate()
{
}
bool notify(const void* sender, TArgs& arguments)
{
Mutex::ScopedLock lock(_mutex);
if (_receiverObject)
{
(_receiverObject->*_receiverMethod)(arguments);
return true;
}
return false;
}
bool equals(const AbstractDelegate<TArgs>& other) const
{
const PriorityDelegate* pOtherDelegate = dynamic_cast<const PriorityDelegate*>(other.unwrap());
return pOtherDelegate && this->priority() == pOtherDelegate->priority() && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
AbstractDelegate<TArgs>* clone() const
{
return new PriorityDelegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
_receiverObject = 0;
}
protected:
TObj* _receiverObject;
NotifyMethod _receiverMethod;
Mutex _mutex;
private:
PriorityDelegate();
};
template <class TObj>
class PriorityDelegate<TObj, void, true>: public AbstractPriorityDelegate<void>
{
public:
typedef void (TObj::*NotifyMethod)(const void*);
PriorityDelegate(TObj* obj, NotifyMethod method, int prio):
AbstractPriorityDelegate<void>(prio),
_receiverObject(obj),
_receiverMethod(method)
{
}
PriorityDelegate(const PriorityDelegate& delegate):
AbstractPriorityDelegate<void>(delegate),
_receiverObject(delegate._receiverObject),
_receiverMethod(delegate._receiverMethod)
{
}
PriorityDelegate& operator = (const PriorityDelegate& delegate)
{
if (&delegate != this)
{
this->_pTarget = delegate._pTarget;
this->_receiverObject = delegate._receiverObject;
this->_receiverMethod = delegate._receiverMethod;
this->_priority = delegate._priority;
}
return *this;
}
~PriorityDelegate()
{
}
bool notify(const void* sender)
{
Mutex::ScopedLock lock(_mutex);
if (_receiverObject)
{
(_receiverObject->*_receiverMethod)(sender);
return true;
}
else return false;
}
bool equals(const AbstractDelegate<void>& other) const
{
const PriorityDelegate* pOtherDelegate = dynamic_cast<const PriorityDelegate*>(other.unwrap());
return pOtherDelegate && this->priority() == pOtherDelegate->priority() && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
AbstractDelegate<void>* clone() const
{
return new PriorityDelegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
_receiverObject = 0;
}
protected:
TObj* _receiverObject;
NotifyMethod _receiverMethod;
Mutex _mutex;
private:
PriorityDelegate();
};
template <class TObj>
class PriorityDelegate<TObj, void, false>: public AbstractPriorityDelegate<void>
{
public:
typedef void (TObj::*NotifyMethod)();
PriorityDelegate(TObj* obj, NotifyMethod method, int prio):
AbstractPriorityDelegate<void>(prio),
_receiverObject(obj),
_receiverMethod(method)
{
}
PriorityDelegate(const PriorityDelegate& delegate):
AbstractPriorityDelegate<void>(delegate),
_receiverObject(delegate._receiverObject),
_receiverMethod(delegate._receiverMethod)
{
}
PriorityDelegate& operator = (const PriorityDelegate& delegate)
{
if (&delegate != this)
{
this->_pTarget = delegate._pTarget;
this->_receiverObject = delegate._receiverObject;
this->_receiverMethod = delegate._receiverMethod;
this->_priority = delegate._priority;
}
return *this;
}
~PriorityDelegate()
{
}
bool notify(const void* sender)
{
Mutex::ScopedLock lock(_mutex);
if (_receiverObject)
{
(_receiverObject->*_receiverMethod)();
return true;
}
return false;
}
bool equals(const AbstractDelegate<void>& other) const
{
const PriorityDelegate* pOtherDelegate = dynamic_cast<const PriorityDelegate*>(other.unwrap());
return pOtherDelegate && this->priority() == pOtherDelegate->priority() && _receiverObject == pOtherDelegate->_receiverObject && _receiverMethod == pOtherDelegate->_receiverMethod;
}
AbstractDelegate<void>* clone() const
{
return new PriorityDelegate(*this);
}
void disable()
{
Mutex::ScopedLock lock(_mutex);
_receiverObject = 0;
}
protected:
TObj* _receiverObject;
NotifyMethod _receiverMethod;
Mutex _mutex;
private:
PriorityDelegate();
};
template <class TObj, class TArgs>
static PriorityDelegate<TObj, TArgs, true> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(const void*, TArgs&), int prio)
{
return PriorityDelegate<TObj, TArgs, true>(pObj, NotifyMethod, prio);
}
template <class TObj, class TArgs>
static PriorityDelegate<TObj, TArgs, false> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(TArgs&), int prio)
{
return PriorityDelegate<TObj, TArgs, false>(pObj, NotifyMethod, prio);
}
template <class TObj, class TArgs>
static PriorityExpire<TArgs> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(const void*, TArgs&), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<TArgs>(PriorityDelegate<TObj, TArgs, true>(pObj, NotifyMethod, prio), expireMilliSec);
}
template <class TObj, class TArgs>
static PriorityExpire<TArgs> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(TArgs&), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<TArgs>(PriorityDelegate<TObj, TArgs, false>(pObj, NotifyMethod, prio), expireMilliSec);
}
template <class TArgs>
static PriorityExpire<TArgs> priorityDelegate(void (*NotifyMethod)(const void*, TArgs&), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<TArgs>(FunctionPriorityDelegate<TArgs, true, true>(NotifyMethod, prio), expireMilliSec);
}
template <class TArgs>
static PriorityExpire<TArgs> priorityDelegate(void (*NotifyMethod)(void*, TArgs&), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<TArgs>(FunctionPriorityDelegate<TArgs, true, false>(NotifyMethod, prio), expireMilliSec);
}
template <class TArgs>
static PriorityExpire<TArgs> priorityDelegate(void (*NotifyMethod)(TArgs&), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<TArgs>(FunctionPriorityDelegate<TArgs, false>(NotifyMethod, prio), expireMilliSec);
}
template <class TArgs>
static FunctionPriorityDelegate<TArgs, true, true> priorityDelegate(void (*NotifyMethod)(const void*, TArgs&), int prio)
{
return FunctionPriorityDelegate<TArgs, true, true>(NotifyMethod, prio);
}
template <class TArgs>
static FunctionPriorityDelegate<TArgs, true, false> priorityDelegate(void (*NotifyMethod)(void*, TArgs&), int prio)
{
return FunctionPriorityDelegate<TArgs, true, false>(NotifyMethod, prio);
}
template <class TArgs>
static FunctionPriorityDelegate<TArgs, false> priorityDelegate(void (*NotifyMethod)(TArgs&), int prio)
{
return FunctionPriorityDelegate<TArgs, false>(NotifyMethod, prio);
}
template <class TObj>
static PriorityDelegate<TObj, void, true> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(const void*), int prio)
{
return PriorityDelegate<TObj, void, true>(pObj, NotifyMethod, prio);
}
template <class TObj>
static PriorityDelegate<TObj, void, false> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(), int prio)
{
return PriorityDelegate<TObj, void, false>(pObj, NotifyMethod, prio);
}
template <class TObj>
static PriorityExpire<void> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(const void*), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<void>(PriorityDelegate<TObj, void, true>(pObj, NotifyMethod, prio), expireMilliSec);
}
template <class TObj>
static PriorityExpire<void> priorityDelegate(TObj* pObj, void (TObj::*NotifyMethod)(), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<void>(PriorityDelegate<TObj, void, false>(pObj, NotifyMethod, prio), expireMilliSec);
}
inline PriorityExpire<void> priorityDelegate(void (*NotifyMethod)(const void*), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<void>(FunctionPriorityDelegate<void, true, true>(NotifyMethod, prio), expireMilliSec);
}
inline PriorityExpire<void> priorityDelegate(void (*NotifyMethod)(void*), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<void>(FunctionPriorityDelegate<void, true, false>(NotifyMethod, prio), expireMilliSec);
}
inline PriorityExpire<void> priorityDelegate(void (*NotifyMethod)(), int prio, Timestamp::TimeDiff expireMilliSec)
{
return PriorityExpire<void>(FunctionPriorityDelegate<void, false>(NotifyMethod, prio), expireMilliSec);
}
inline FunctionPriorityDelegate<void, true, true> priorityDelegate(void (*NotifyMethod)(const void*), int prio)
{
return FunctionPriorityDelegate<void, true, true>(NotifyMethod, prio);
}
inline FunctionPriorityDelegate<void, true, false> priorityDelegate(void (*NotifyMethod)(void*), int prio)
{
return FunctionPriorityDelegate<void, true, false>(NotifyMethod, prio);
}
inline FunctionPriorityDelegate<void, false> priorityDelegate(void (*NotifyMethod)(), int prio)
{
return FunctionPriorityDelegate<void, false>(NotifyMethod, prio);
}
} // namespace Poco
#endif // Foundation_PriorityDelegate_INCLUDED