poco/Data/testsuite/src/TestStatementImpl.h
2016-02-28 11:06:08 -06:00

120 lines
2.5 KiB
C++

//
// TestStatementImpl.h
//
// $Id: //poco/Main/Data/testsuite/src/TestStatementImpl.h#2 $
//
// Definition of the TestStatementImpl class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_Test_TestStatementImpl_INCLUDED
#define Data_Test_TestStatementImpl_INCLUDED
#include "Poco/Data/StatementImpl.h"
#include "Poco/Data/MetaColumn.h"
#include "Poco/SharedPtr.h"
#include "Binder.h"
#include "Extractor.h"
#include "Preparator.h"
namespace Poco {
namespace Data {
namespace Test {
class SessionImpl;
class TestStatementImpl: public Poco::Data::StatementImpl
/// A no-op implementation of TestStatementImpl for testing.
{
public:
TestStatementImpl(SessionImpl& rSession);
/// Creates the TestStatementImpl.
~TestStatementImpl();
/// Destroys the TestStatementImpl.
protected:
std::size_t columnsReturned() const;
/// Returns number of columns returned by query.
int affectedRowCount() const;
/// Returns the number of affected rows.
/// Used to find out the number of rows affected by insert or update.
const MetaColumn& metaColumn(std::size_t pos, std::size_t rsPos) const;
/// Returns column meta data.
bool hasNext();
/// Returns true if a call to next() will return data.
std::size_t next();
/// Retrieves the next row or set of rows from the resultset.
/// Will throw, if the resultset is empty.
bool canBind() const;
/// Returns true if a valid statement is set and we can bind.
bool canCompile() const;
/// Returns true if statement was not compiled.
void compileImpl();
/// Compiles the statement, doesn't bind yet
void bindImpl();
/// Binds parameters
AbstractExtraction::ExtractorPtr extractor();
/// Returns the concrete extractor used by the statement.
AbstractBinding::BinderPtr binder();
/// Returns the concrete binder used by the statement.
private:
Poco::SharedPtr<Binder> _ptrBinder;
Poco::SharedPtr<Extractor> _ptrExtractor;
Poco::SharedPtr<Preparator> _ptrPreparation;
bool _compiled;
};
//
// inlines
//
inline AbstractExtraction::ExtractorPtr TestStatementImpl::extractor()
{
return _ptrExtractor;
}
inline AbstractBinding::BinderPtr TestStatementImpl::binder()
{
return _ptrBinder;
}
inline int TestStatementImpl::affectedRowCount() const
{
return 0;
}
inline bool TestStatementImpl::canCompile() const
{
return !_compiled;
}
} } } // namespace Poco::Data::Test
#endif // Data_Test_TestStatementImpl_INCLUDED