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/*
* 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 .
*/
package org.openoffice.xmerge.merger;
import org.openoffice.xmerge.MergeException;
/**
* This is the {@code MergeAlgorithm} interface.
*
* <p>It is an interface so that different merge algorithms may be plugged-in
* to actually merge the diffs back to an original document.</p>
*/
public interface MergeAlgorithm {
/**
* This method is to merge the difference to an {@code Iterator}.
*
* <p>The original {@code Iterator} will be modified after the call.</p>
*
* @param orgSeq 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} array.
*
* @throws MergeException If an error occurs during the merge.
*/
void applyDifference(Iterator orgSeq, Iterator modSeq,
Difference[] differences) throws MergeException;
}
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