committed Data

Data/src/Statement.cpp

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+//
+// Statement.cpp
+//
+// $Id: //poco/Main/Data/src/Statement.cpp#8 $
+//
+// 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/Any.h"
+#include "Poco/Tuple.h"
+#include <algorithm>
+
+
+namespace Poco {
+namespace Data {
+
+
+Statement::Statement(StatementImpl* pImpl):
+	_executed(false),
+	_ptr(pImpl)
+{
+	poco_check_ptr (pImpl);
+}
+
+
+Statement::Statement(const Statement& stmt):
+	_executed(stmt._executed),
+	_ptr(stmt._ptr)
+{
+}
+
+
+Statement::~Statement()
+{
+}
+
+
+Statement& Statement::operator = (const Statement& stmt)
+{
+	Statement tmp(stmt);
+	swap(tmp);
+	return *this;
+}
+
+
+void Statement::swap(Statement& other)
+{
+	std::swap(_ptr, other._ptr);
+	std::swap(_executed, other._executed);
+}
+
+
+Poco::UInt32 Statement::execute()
+{
+	if (done())
+	{
+		_ptr->reset();
+	}
+	_executed = true;
+	return _ptr->execute();
+}
+
+
+bool Statement::done()
+{
+	return _ptr->getState() == StatementImpl::ST_DONE;
+}
+
+
+void now(Statement& statement)
+{
+	statement.execute();
+}
+
+
+} } // namespace Poco::Data