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