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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.
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************************************************************************/
package org.openoffice.xmerge.merger;
/**
* This is the difference algorithm interface. It is an interface so
* that different algorithms may be plugged-in to actually compute
* the differences.
*
* NOTE: this code may not be thread safe.
*/
public interface DiffAlgorithm {
/**
* Returns a <code>Difference</code> array. This method finds out
* the difference between two sequences.
*
* @param orgSeq The original sequence of object.
* @param modSeq The modified (or changed) sequence to
* compare against with the origial.
*
* @return A <code>Difference</code> array.
*/
public Difference[] computeDiffs(Iterator orgSeq, Iterator modSeq);
}
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