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Statement.cpp
//
// Statement.cpp
//
// $Id: //poco/1.4/Data/src/Statement.cpp#1 $
//
// Library: Data
// Package: DataCore
// Module:  Statement
//
// 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.
//


#include "Poco/Data/Statement.h"
#include "Poco/Data/DataException.h"
#include "Poco/Data/Extraction.h"
#include "Poco/Data/Session.h"
#include "Poco/Any.h"
#include "Poco/Tuple.h"
#include <algorithm>


namespace Poco {
namespace Data {


Statement::Statement(StatementImpl* pImpl):
      _executed(false),
      _ptr(pImpl)
{
      poco_check_ptr (pImpl);
}


00058 Statement::Statement(Session& session):
      _executed(false)
{
      Statement stmt(session.createStatementImpl());
      swap(stmt);
}


00066 Statement::Statement(const Statement& stmt):
      _executed(stmt._executed),
      _ptr(stmt._ptr)
{
}


00073 Statement::~Statement()
{
}


00078 Statement& Statement::operator = (const Statement& stmt)
{
      Statement tmp(stmt);
      swap(tmp);
      return *this;
}


00086 void Statement::swap(Statement& other)
{
      std::swap(_ptr, other._ptr);
      std::swap(_executed, other._executed);
}


00093 Poco::UInt32 Statement::execute()
{
      if (done())
      {
            _ptr->reset();
      }
      _executed = true;
      return _ptr->execute();
}


00104 bool Statement::done()
{
      return _ptr->getState() == StatementImpl::ST_DONE;
}


void now(Statement& statement)
{
      statement.execute();
}


} } // namespace Poco::Data

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