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ALF-7260: schema comparator

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* replace path/push/pop mechanism as it doesn't work well at reporting where differences/validation errors occur.
* add getParent() to DbObject - so that a path-style identifier can be deduced for a DbObject when needed
* add DbProperty to specify a specific DbObject's property and value -- acts as a schema location pointer
* refactored Result code (need difference result and validation error result)





git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31527 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Matt Ward
2011-10-27 18:07:06 +00:00
parent 385003c6c9
commit 723fe98cf2
37 changed files with 1022 additions and 613 deletions
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82
source/java/org/alfresco/util/schemacomp/Results.java Normal file
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/*
* Copyright (C) 2005-2011 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.util.schemacomp;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.alfresco.util.schemacomp.Difference.Where;
import org.alfresco.util.schemacomp.Result.Strength;
/**
* Collects differences so that tools can report on or respond to differences between database schemas.
*
* @author Matt Ward
*/
public class Results implements Iterable<Difference>
{
private final List<Difference> items = new ArrayList<Difference>();
/** Temporary step during refactor - Where.IN_BOTH_NO_DIFFERENCE will be going altogether */
private boolean reportNonDifferences = false;
/**
* Record a difference between two objects, or specify that an object only appears in either the
* 'left' or 'right' schemas.
*
* @param where The type of difference, see {@link Where}
* @param left Left value, or null if the item appears in the right, but not left schema.
* @param right Right value, or null if the item appears in the left, but not right schema.
* @param strength The Result.Strength of the difference, e.g. WARN or ERROR.
*/
public void add(Where where, DbProperty left, DbProperty right, Strength strength)
{
if (where != Where.IN_BOTH_NO_DIFFERENCE || reportNonDifferences)
{
Difference result = new Difference(where, left, right, strength);
items.add(result);
}
}
public void add(Where where, DbProperty left, DbProperty right)
{
add(where, left, right, null);
}
/**
* Obtain an iterator for the top-level items held in this schema - since this is a hierarchical model,
* deeper items are obtained by navigating through the top-level items.
*/
@Override
public Iterator<Difference> iterator()
{
return items.iterator();
}
/**
* @return How many top-level items are in the schema.
*/
public int size()
{
return items.size();
}
}