xref: /trunk/main/udkapi/com/sun/star/io/MarkableOutputStream.idl (revision 408a4873)

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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef __com_sun_star_io_DataInputStream_idl__
#define __com_sun_star_io_DataInputStream_idl__

#ifndef __com_sun_star_io_XMarkableStream_idl__
#include <com/sun/star/io/XMarkableStream.idl>
#endif

#ifndef __com_sun_star_io_XActiveDataSink_idl__
#include <com/sun/star/io/XActiveDataSource.idl>
#endif

#ifndef __com_sun_star_io_XConnectable_idl__
#include <com/sun/star/io/XConnectable.idl>
#endif


module com {  module sun {  module star {  module io {

//==========================================================================
/** allows to set marks in an outputstream and to later jump back to these
	marks.
	<p>The implementation stores the data as long as marks exists
	and later writes these data into the output stream,
	that has been set previously at the <type>XActiveDataSource</type>
	interface. </p>
 */
published service MarkableOutputStream
{
    /** allows to write data at the current position.
        <p> Flushing the outputstream will only flush data,
            which was written before the first non-deleted mark,
            because data after the first non-deleted mark
            may be modified by later jumpToMark()/writeBytes() calls.
     */
	interface com::sun::star::io::XOutputStream;

    /** allows to create marks at the current position
        and to set the current position.
     */
	interface com::sun::star::io::XMarkableStream;

    /** allows to access to the underlying sink
        of this stream.
     */
	interface com::sun::star::io::XActiveDataSource;

	/** allows to navigate via a chain of streams */
	interface com::sun::star::io::XConnectable;

};


}; }; }; };



#endif