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//
// ExpirationDecorator.h
//
// Library: Foundation
// Package: Events
// Module: ExpirationDecorator
//
// Implementation of the ExpirationDecorator template.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_ExpirationDecorator_INCLUDED
#define Foundation_ExpirationDecorator_INCLUDED
#include "Poco/Timestamp.h"
#include "Poco/Timespan.h"
namespace Poco {
template <typename TArgs>
class ExpirationDecorator
/// ExpirationDecorator adds an expiration method to values so that they can be used
/// with the UniqueExpireCache.
{
public:
ExpirationDecorator():
_value(),
_expiresAt()
{
}
ExpirationDecorator(const TArgs& p, const Poco::Timespan::TimeDiff& diffInMs):
/// Creates an element that will expire in diff milliseconds
_value(p),
_expiresAt()
{
_expiresAt += (diffInMs*1000);
}
ExpirationDecorator(const TArgs& p, const Poco::Timespan& timeSpan):
/// Creates an element that will expire after the given timeSpan
_value(p),
_expiresAt()
{
_expiresAt += timeSpan.totalMicroseconds();
}
ExpirationDecorator(const TArgs& p, const Poco::Timestamp& timeStamp):
/// Creates an element that will expire at the given time point
_value(p),
_expiresAt(timeStamp)
{
}
~ExpirationDecorator()
{
}
const Poco::Timestamp& getExpiration() const
{
return _expiresAt;
}
const TArgs& value() const
{
return _value;
}
TArgs& value()
{
return _value;
}
private:
TArgs _value;
Timestamp _expiresAt;
};
} // namespace Poco
#endif // Foundation_ExpirationDecorator_INCLUDED
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