xref: /aoo41x/main/forms/source/component/cachedrowset.hxx (revision 2d785d7e)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *
 *************************************************************/



#ifndef CACHEDROWSET_HXX
#define CACHEDROWSET_HXX

/** === begin UNO includes === **/
#include <com/sun/star/sdbc/XResultSet.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
/** === end UNO includes === **/

#include <comphelper/componentcontext.hxx>
#include <unotools/sharedunocomponent.hxx>

#include <memory>

//........................................................................
namespace frm
{
//........................................................................

    struct CachedRowSet_Data;
	//====================================================================
	//= CachedRowSet
	//====================================================================
    /** caches a result set obtained from a SQL statement
    */
	class CachedRowSet
	{
    public:
        CachedRowSet( const ::comphelper::ComponentContext& _rContext );
        ~CachedRowSet();

    public:
        /** executes the statement

            @return
                the result set produced by the statement. The caller takes ownership of the
                given object.

            @throws ::com::sun::star::sdbc::SQLException
                if such an exception is thrown when executing the statement
        */
        ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >
                execute();

        /// determines whether the row set properties are dirty, i.e. have changed since the last call to execute
        bool    isDirty() const;

        /// disposes the instance and frees all associated resources
        void    dispose();

        /** sets the command of a query as command to be executed

            A connection must have been set before.

            @throws Exception
        */
        void    setCommandFromQuery ( const ::rtl::OUString& _rQueryName );

        void    setCommand          ( const ::rtl::OUString& _rCommand );
        void    setEscapeProcessing ( const sal_Bool _bEscapeProcessing );
        void    setConnection       ( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection );

    private:
        ::std::auto_ptr< CachedRowSet_Data >    m_pData;
	};

//........................................................................
} // namespace frm
//........................................................................

#endif // CACHEDROWSET_HXX