/*************************************************************************
 *
 *  $RCSfile: XContentIdentifierMapping.idl,v $
 *
 *  $Revision: 1.7 $
 *
 *  last change: $Author: jsc $ $Date: 2001/03/16 16:41:48 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
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 *  Software provided under this License is provided on an "AS IS" basis,
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 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
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 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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 ************************************************************************/
#ifndef __com_sun_star_ucb_XContentIdentifierMapping_idl__
#define __com_sun_star_ucb_XContentIdentifierMapping_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

//=============================================================================

module com { module sun { module star { module ucb {

interface XContent;
interface XContentIdentifier;

//=============================================================================
/** A mapping from a (source) set of <type>XContentIdentifier</type>s to
    another (target) set of XContentIdentifiers.

	<p>For convenience and performance, mapping between the string
	representations	of source/target XContentIdentifiers, as well as mapping
	between <type>XContent</type>s identified by source/target
	XContentIdentifiers is also supported.

	<p>This interface can be useful in cases where the identifieres (and
	associated contents) returned by the various methods of an
	<type>XContentAccess</type>	need to be mapped to some other space of
	identifiers (and associated	contents).

    @see XContent
    @see XContentAccess
    @see XContentIdentifier
*/

interface XContentIdentifierMapping: com::sun::star::uno::XInterface
{
	//-------------------------------------------------------------------------
	/** Map the string representation of an <type>XContentIdentifier</type>.

		@param Source  The string representation of an XContentIdentifier
		from the source set.

		@returns  The string representation of the target set's
		XContentIdentifier corresponding to the source identifier.  The
		returned string may be empty if either Source was empty already, or if
		there's no applicable target to map to.
	*/
	string mapContentIdentifierString([in] string Source);

	//-------------------------------------------------------------------------
	/** Map an <type>XContentIdentifier</type>.

		@param Source  An XContentIdentifier from the source set.

		@returns  The target set's XContentIdentifier corresponding to the
		source identifier.  The returned XContentIdentifier may be null if
		either Source was null already, or if there's no applicable target to
		map to.
	*/
	XContentIdentifier mapContentIdentifier([in] XContentIdentifier Source);

	//-------------------------------------------------------------------------
	/** Map the <type>XContent</type> identified by an
	    <type>XContentIdentifier</type>.

		@param Source  The XContent identified by an XContentIdentifier from
		the source set.

		@returns  The XContent identified by the target set's
		XContentIdentifier corresponding to the source identifier.  The
		returned XContent may be null if either Source was null already, or if
		there's no applicable target to map to.
	*/
	XContent mapContent([in] XContent Source);

	//-------------------------------------------------------------------------
	/** Map the content identifiers (or related data) contained in the columns
		of a <type scope="com::sun::star::sdbc">XRow</type>.

		@param Value  On input, a sequence of anys corresponding to the columns
		of the XRow (the first column goes into the	zeroth position of the
		sequence, and so on).  On output, the same sequence, but with the
		entries mapped as necessary.  This is an inout parameter rather than a
		comination of in parameter and return value for	performance reasons
		(assuming that in most cases most elements in the input sequence will
		be returned unmodified).

		@returns  <TRUE/> if any of the columns contain data that (potentially)
		needs mapping (though maybe no mapping occured for the concrete input
		data of this call).  This information can be useful to decide whether,
		for another row, a call to this function is at all necessary.
	*/
	boolean mapRow([inout] sequence< any > Value);
};

//=============================================================================

}; }; }; };

#endif
