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/************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.xmerge.merger;
import org.openoffice.xmerge.MergeException;
import org.openoffice.xmerge.merger.Iterator;
import org.openoffice.xmerge.merger.Difference;
/**
* This is the <code>MergeAlgorithm</code> interface. It is an
* interface so that different merge algorithms may be plugged-in
* to actually merge the diffs back to an original document.
*
* @author smak
*/
public interface MergeAlgorithm {
/**
* This method is to merge the difference to an <code>Iterator</code>.
* The original <code>Iterator</code> will be modified after the call.
*
* @param objSeq The original sequence which the difference
* will be applied. It will be modified.
* @param modSeq The modified sequence where the difference
* content will be extracted.
* @param differences The <code>Difference</code> array.
*
* @return An <code>Iterator</code> which is the modified original
* <code>Iterator</code> Sequence. Same as the first parameter.
*
* @throws MergeException If an error occurs during the merge.
*/
public void applyDifference(Iterator orgSeq, Iterator modSeq,
Difference[] differences) throws MergeException;
}
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