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9b4cd0ab0e
Instead of the Differences being passed around on their own, the DiffContext is able to provide more information -- at present just the Dialect. The dialect can be used to change the way database objects are validated or differenced. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@31466 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
66 lines
2.0 KiB
Java
66 lines
2.0 KiB
Java
/*
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* Copyright (C) 2005-2011 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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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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*/
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package org.alfresco.util.schemacomp;
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import org.alfresco.util.schemacomp.Result.Strength;
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import org.alfresco.util.schemacomp.model.Schema;
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import org.hibernate.dialect.Dialect;
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/**
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* Compares two abstract database schemas, a 'left' schema and a 'right' schema. The left schema is the primary
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* schema and all objects in the right schema are judged relative to it.
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*
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* @author Matt Ward
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*/
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public class SchemaComparator
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{
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private final Schema leftSchema;
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private final Schema rightSchema;
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private final DiffContext ctx;
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/**
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* Construct a comparator to compare schemas left and right.
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*
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* @param left
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* @param right
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*/
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public SchemaComparator(Schema left, Schema right, Dialect dialect)
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{
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this.leftSchema = left;
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this.rightSchema = right;
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this.ctx = new DiffContext(dialect, new Differences());
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}
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public void compare()
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{
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// Check the left schema against the right schema and record any differences.
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leftSchema.diff(rightSchema, ctx, Strength.ERROR);
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}
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/**
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* @return the differences
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*/
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public Differences getDifferences()
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{
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return this.ctx.getDifferences();
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}
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}
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