Quelle statementcomposer.hxx Sprache: C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
*   Licensed to the Apache Software Foundation (ASF) under one or more
*   contributor license agreements. See the NOTICE file distributed
*   with this work for additional information regarding copyright
*   ownership. The ASF licenses this file to you under the Apache
*   License, Version 2.0 (the "License"); you may not use this file
*   except in compliance with the License. You may obtain a copy of
*   the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/

#ifndef INCLUDED_CONNECTIVITY_STATEMENTCOMPOSER_HXX
#define INCLUDED_CONNECTIVITY_STATEMENTCOMPOSER_HXX

#include <config_options.h>
#include <rtl/ustring.hxx>

#include <memory>
#include <connectivity/dbtoolsdllapi.hxx>

namespace com::sun::star::sdbc { class XConnection; }
namespace com::sun::star::sdb { class XSingleSelectQueryComposer; }
namespace com::sun::star::uno { template <typename > class Reference; }

namespace dbtools
{

    //= StatementComposer

    struct StatementComposer_Data;
    /** a class which is able to compose queries (SELECT statements) from a command and a command type
    */
    class UNLESS_MERGELIBS_MORE(OOO_DLLPUBLIC_DBTOOLS) StatementComposer
    {
        ::std::unique_ptr< StatementComposer_Data >   m_pData;

    public:
        /** constructs an instance

            @param _rxConnection
                the connection to work with. Must not be <NULL/>.
        */
        StatementComposer(
            const css::uno::Reference< css::sdbc::XConnection >& _rxConnection,
            const OUString&  _rCommand,
            const sal_Int32  _nCommandType,
            const bool       _bEscapeProcessing
        );

        ~StatementComposer();

        /** controls whether or not the instance disposes its XSingleSelectQueryComposer upon
            destruction

            Unless you explicitly call this method with the parameter being <TRUE/>,
            the XSingleSelectQueryComposer will be disposed when the StatementComposer
            instance is destroyed.
        */
        void    setDisposeComposer( bool _bDoDispose );

        void    setFilter( const OUString& _rFilter );
        void    setHavingClause( const OUString& _rHavingClause );
        void    setOrder( const OUString& _rOrder );

        /** returns the composer which has been fed with the current settings

            @throws css::sdbc::SQLException
                if such an exception occurs while creating the composer
        */
        css::uno::Reference< css::sdb::XSingleSelectQueryComposer > const &
                getComposer();

        /** returns the composer statement

            Effectively, this is equivalent to calling getComposer, and asking the composer
            for its Query attribute.

            @throws css::sdbc::SQLException
                if such an exception occurs while creating the composer
        */
        OUString
                getQuery();

    private:
        StatementComposer(const StatementComposer&) = delete;
        StatementComposer& operator=(const StatementComposer&) = delete;
        StatementComposer() = delete;
    };

} // namespace dbtools

#endif // INCLUDED_CONNECTIVITY_STATEMENTCOMPOSER_HXX

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