/usr/include/Poco/Data/Limit.h is in libpoco-dev 1.3.6p1-4.
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// Limit.h
//
// $Id: //poco/1.3/Data/include/Poco/Data/Limit.h#1 $
//
// Library: Data
// Package: DataCore
// Module: Limit
//
// Definition of the Limit class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Data_Limit_INCLUDED
#define Data_Limit_INCLUDED
#include "Poco/Data/Data.h"
namespace Poco {
namespace Data {
class Data_API Limit
/// Limit stores information how many rows a query should return.
{
public:
enum
{
LIMIT_UNLIMITED = 0xffffffffu
};
Limit(Poco::UInt32 value, bool hardLimit, bool isLowerLimit);
/// Creates the Limit.
///
/// Value contains the upper row hint, if hardLimit is set to true, the limit acts as a hard
/// border, ie. every query must return exactly value rows, returning more than value objects will throw an exception!
/// LowerLimits always act as hard-limits!
///
/// A value of LIMIT_UNLIMITED disables the limit.
~Limit();
/// Destroys the Limit.
Poco::UInt32 value() const;
/// Returns the value of the limit
bool isHardLimit() const;
/// Returns true if the limit is a hard limit.
bool isLowerLimit() const;
/// Returns true if the limit is a lower limit, otherwise it is an upperLimit
private:
Poco::UInt32 _value;
bool _hardLimit;
bool _isLowerLimit;
};
//
// inlines
//
inline Poco::UInt32 Limit::value() const
{
return _value;
}
inline bool Limit::isHardLimit() const
{
return _hardLimit;
}
inline bool Limit::isLowerLimit() const
{
return _isLowerLimit;
}
} } // namespace Poco::Data
#endif // Data_Limit_INCLUDED
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