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106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//
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// AccessExpirationDecorator.h
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//
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// $Id: //poco/1.4/Foundation/include/Poco/AccessExpirationDecorator.h#2 $
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//
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// Library: Foundation
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// Package: Cache
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// Module: AccessExpirationDecorator
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//
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// Implementation of the AccessExpirationDecorator template.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_AccessExpirationDecorator_INCLUDED
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#define Foundation_AccessExpirationDecorator_INCLUDED
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#include "Poco/Timestamp.h"
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#include "Poco/Timespan.h"
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namespace Poco {
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template <typename TArgs>
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class AccessExpirationDecorator
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/// AccessExpirationDecorator adds an expiration method to values so that they can be used
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/// with the UniqueAccessExpireCache
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{
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public:
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AccessExpirationDecorator():
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_value(),
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_span()
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{
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}
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AccessExpirationDecorator(const TArgs& p, const Poco::Timespan::TimeDiff& diffInMs):
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/// Creates an element that will expire in diff milliseconds
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_value(p),
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_span(diffInMs*1000)
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{
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}
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AccessExpirationDecorator(const TArgs& p, const Poco::Timespan& timeSpan):
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/// Creates an element that will expire after the given timeSpan
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_value(p),
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_span(timeSpan)
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{
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}
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~AccessExpirationDecorator()
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{
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}
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const Poco::Timespan& getTimeout() const
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{
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return _span;
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}
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const TArgs& value() const
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{
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return _value;
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}
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TArgs& value()
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{
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return _value;
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}
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private:
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TArgs _value;
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Timespan _span;
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};
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} // namespace Poco
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#endif // Foundation_AccessExpirationDecorator_INCLUDED
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