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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@128510 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.util.schemacomp;
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import java.util.Collection;
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import java.util.List;
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import org.alfresco.util.schemacomp.model.DbObject;
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import com.google.gdata.data.extensions.Where;
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/**
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* Utilities for comparing data structures in the context of comparing two database schemas.
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*
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* @author Matt Ward
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*/
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public interface ComparisonUtils
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{
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List<DbObject> findEquivalentObjects(DbObject rootObject, DbObject objToMatch);
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/**
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* Compare two {@link List}s of 'simple' (i.e. non-{@link DbObject}) objects. Ordering
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* is significant - if an element E appears in both collections but at different indexes
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* then it is not considered to be the same item.
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*
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* @param leftProperty DbProperty
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* @param rightProperty DbProperty
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* @param ctx DiffContext
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*/
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void compareSimpleOrderedLists(DbProperty leftProperty, DbProperty rightProperty, DiffContext ctx);
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/**
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* Compare two collections. Similar to {@link #compareSimpleOrderedLists(DbProperty, DbProperty, DiffContext)}
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* except that this method operates on {@link Collection}s and order (and cardinality) is not important. If
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* an element E from the reference collection appears one or more times at any position in the target collection
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* then that element is said to be {@link org.alfresco.util.schemacomp.Difference.Where#IN_BOTH_NO_DIFFERENCE in both with no difference}.
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*
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* @param leftProperty DbProperty
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* @param rightProperty DbProperty
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* @param ctx - context
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*/
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void compareSimpleCollections(DbProperty leftProperty, DbProperty rightProperty, DiffContext ctx);
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/**
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* Compare collections of {@link DbObject}s using their {@link DbObject#diff(DbObject, DiffContext)} method.
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*
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* @param ctx - context
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*/
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void compareCollections(Collection<? extends DbObject> leftCollection,
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Collection<? extends DbObject> rightCollection, DiffContext ctx);
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/**
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* Compare two 'simple' (i.e. non-{@link DbObject}) objects using their {@link Object#equals(Object)} method
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* to decide if there is a difference.
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*
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* @param left DbProperty
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* @param right DbProperty
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* @param ctx - context
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*/
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void compareSimple(DbProperty left, DbProperty right, DiffContext ctx);
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}
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