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//
// PriorityExpire.h
//
// Library: Foundation
// Package: Events
// Module: PriorityExpire
//
// Implementation of the PriorityExpire template.
//
// Copyright (c) 2006-2011, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_PriorityExpire_INCLUDED
#define Foundation_PriorityExpire_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Timestamp.h"
#include "Poco/AbstractPriorityDelegate.h"
namespace Poco {
template <class TArgs>
class PriorityExpire: public AbstractPriorityDelegate<TArgs>
/// Decorator for AbstractPriorityDelegate adding automatic
/// expiring of registrations to AbstractPriorityDelegate.
{
public:
PriorityExpire(const AbstractPriorityDelegate<TArgs>& p, Timestamp::TimeDiff expireMilliSec):
AbstractPriorityDelegate<TArgs>(p),
_pDelegate(static_cast<AbstractPriorityDelegate<TArgs>*>(p.clone())),
_expire(expireMilliSec*1000)
{
}
PriorityExpire(const PriorityExpire& expire):
AbstractPriorityDelegate<TArgs>(expire),
_pDelegate(static_cast<AbstractPriorityDelegate<TArgs>*>(expire._pDelegate->clone())),
_expire(expire._expire),
_creationTime(expire._creationTime)
{
}
~PriorityExpire()
{
delete _pDelegate;
}
PriorityExpire& operator = (const PriorityExpire& expire)
{
if (&expire != this)
{
delete this->_pDelegate;
this->_pTarget = expire._pTarget;
this->_pDelegate = expire._pDelegate->clone();
this->_expire = expire._expire;
this->_creationTime = expire._creationTime;
}
return *this;
}
bool notify(const void* sender, TArgs& arguments)
{
if (!expired())
return this->_pDelegate->notify(sender, arguments);
else
return false;
}
bool equals(const AbstractDelegate<TArgs>& other) const
{
return other.equals(*_pDelegate);
}
AbstractPriorityDelegate<TArgs>* clone() const
{
return new PriorityExpire(*this);
}
void disable()
{
_pDelegate->disable();
}
const AbstractPriorityDelegate<TArgs>* unwrap() const
{
return this->_pDelegate;
}
protected:
bool expired() const
{
return _creationTime.isElapsed(_expire);
}
AbstractPriorityDelegate<TArgs>* _pDelegate;
Timestamp::TimeDiff _expire;
Timestamp _creationTime;
private:
PriorityExpire();
};
template <>
class PriorityExpire<void>: public AbstractPriorityDelegate<void>
/// Decorator for AbstractPriorityDelegate adding automatic
/// expiring of registrations to AbstractPriorityDelegate.
{
public:
PriorityExpire(const AbstractPriorityDelegate<void>& p, Timestamp::TimeDiff expireMilliSec):
AbstractPriorityDelegate<void>(p),
_pDelegate(static_cast<AbstractPriorityDelegate<void>*>(p.clone())),
_expire(expireMilliSec*1000)
{
}
PriorityExpire(const PriorityExpire& expire):
AbstractPriorityDelegate<void>(expire),
_pDelegate(static_cast<AbstractPriorityDelegate<void>*>(expire._pDelegate->clone())),
_expire(expire._expire),
_creationTime(expire._creationTime)
{
}
~PriorityExpire()
{
delete _pDelegate;
}
PriorityExpire& operator = (const PriorityExpire& expire)
{
if (&expire != this)
{
delete this->_pDelegate;
this->_pDelegate = static_cast<AbstractPriorityDelegate<void>*>(expire._pDelegate->clone());
this->_expire = expire._expire;
this->_creationTime = expire._creationTime;
}
return *this;
}
bool notify(const void* sender)
{
if (!expired())
return this->_pDelegate->notify(sender);
else
return false;
}
bool equals(const AbstractDelegate<void>& other) const
{
return other.equals(*_pDelegate);
}
AbstractPriorityDelegate<void>* clone() const
{
return new PriorityExpire(*this);
}
void disable()
{
_pDelegate->disable();
}
const AbstractPriorityDelegate<void>* unwrap() const
{
return this->_pDelegate;
}
protected:
bool expired() const
{
return _creationTime.isElapsed(_expire);
}
AbstractPriorityDelegate<void>* _pDelegate;
Timestamp::TimeDiff _expire;
Timestamp _creationTime;
private:
PriorityExpire();
};
} // namespace Poco
#endif // Foundation_PriorityExpire_INCLUDED
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