/usr/include/Poco/Data/BulkBinding.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// BulkBinding.h
//
// Library: Data
// Package: DataCore
// Module: BulkBinding
//
// Definition of the BulkBinding class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_BulkBinding_INCLUDED
#define Data_BulkBinding_INCLUDED
#include "Poco/Data/Data.h"
#include "Poco/Data/AbstractBinding.h"
#include "Poco/Data/DataException.h"
#include "Poco/Data/TypeHandler.h"
#include "Poco/Data/Bulk.h"
#include <vector>
#include <deque>
#include <list>
#include <cstddef>
namespace Poco {
namespace Data {
template <class T>
class BulkBinding: public AbstractBinding
/// A BulkBinding maps a value to a column.
/// Bulk binding support is provided only for std::vector.
{
public:
BulkBinding(const T& val, Poco::UInt32 bulkSize, const std::string& name = "", Direction direction = PD_IN):
AbstractBinding(name, direction, bulkSize),
_val(val),
_bound(false)
/// Creates the BulkBinding.
{
if (0 == _val.size())
throw BindingException("Zero size containers not allowed.");
}
~BulkBinding()
/// Destroys the BulkBinding.
{
}
std::size_t numOfColumnsHandled() const
{
return 1;
}
std::size_t numOfRowsHandled() const
{
return _val.size();
}
bool canBind() const
{
return !_bound;
}
void bind(std::size_t pos)
{
poco_assert_dbg(!getBinder().isNull());
TypeHandler<T>::bind(pos, _val, getBinder(), getDirection());
_bound = true;
}
void reset ()
{
_bound = false;
getBinder()->reset();
}
private:
const T& _val;
bool _bound;
};
namespace Keywords {
template <typename T>
AbstractBinding::Ptr use(const std::vector<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::vector.
{
return new BulkBinding<std::vector<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
template <typename T>
AbstractBinding::Ptr in(const std::vector<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::vector.
{
return new BulkBinding<std::vector<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
template <typename T>
AbstractBinding::Ptr use(const std::deque<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::deque.
{
return new BulkBinding<std::deque<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
template <typename T>
AbstractBinding::Ptr in(const std::deque<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::deque.
{
return new BulkBinding<std::deque<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
template <typename T>
AbstractBinding::Ptr use(const std::list<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::list.
{
return new BulkBinding<std::list<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
template <typename T>
AbstractBinding::Ptr in(const std::list<T>& t, BulkFnType, const std::string& name = "")
/// Convenience function for a more compact BulkBinding creation for std::list.
{
return new BulkBinding<std::list<T> >(t, static_cast<Poco::UInt32>(t.size()), name);
}
} // namespace Keywords
} } // namespace Poco::Data
#endif // Data_BulkBinding_INCLUDED
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