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Data/testsuite/src/TestStatementImpl.h

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+//
+// 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.
+//
+// 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_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 "Preparation.h"
+
+
+struct sqlite3;
+struct sqlite3_stmt;
+
+
+namespace Poco {
+namespace Data {
+namespace Test {
+
+
+class TestStatementImpl: public Poco::Data::StatementImpl
+	/// A no-op implementation of TestStatementImpl for testing.
+{
+public:
+	TestStatementImpl();
+		/// Creates the TestStatementImpl.
+
+	~TestStatementImpl();
+		/// Destroys the TestStatementImpl.
+
+protected:
+	Poco::UInt32 columnsReturned() const;
+		/// Returns number of columns returned by query. 
+
+	const MetaColumn& metaColumn(Poco::UInt32 pos) const;
+		/// Returns column meta data.
+
+	bool hasNext();
+		/// Returns true if a call to next() will return data.
+
+	void next();
+		/// Retrieves the next row 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.
+
+	void compileImpl();
+		/// Compiles the statement, doesn't bind yet
+
+	void bindImpl();
+		/// Binds parameters
+
+	AbstractExtractor& extractor();
+		/// Returns the concrete extractor used by the statement.
+
+	AbstractBinder& binder();
+		/// Returns the concrete binder used by the statement.
+
+private:
+	Poco::SharedPtr<Binder>    _ptrBinder;
+	Poco::SharedPtr<Extractor> _ptrExtractor;
+	Poco::SharedPtr<Preparation> _ptrPrepare;
+};
+
+
+//
+// inlines
+//
+inline AbstractExtractor& TestStatementImpl::extractor()
+{
+	return *_ptrExtractor;
+}
+
+
+inline AbstractBinder& TestStatementImpl::binder()
+{
+	return *_ptrBinder;
+}
+
+
+} } } // namespace Poco::Data::Test
+
+
+#endif // Data_Test_TestStatementImpl_INCLUDED