package org.apache.ddlutils.platform.axion; | |
/* | |
* 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 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
import java.sql.SQLException; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import org.apache.ddlutils.Platform; | |
import org.apache.ddlutils.model.Index; | |
import org.apache.ddlutils.model.Table; | |
import org.apache.ddlutils.platform.DatabaseMetaDataWrapper; | |
import org.apache.ddlutils.platform.JdbcModelReader; | |
/** | |
* Reads a database model from an Axion database. | |
* | |
* @version $Revision: $ | |
*/ | |
public class AxionModelReader extends JdbcModelReader | |
{ | |
/** | |
* Creates a new model reader for Axion databases. | |
* | |
* @param platform The platform that this model reader belongs to | |
*/ | |
public AxionModelReader(Platform platform) | |
{ | |
super(platform); | |
setDefaultCatalogPattern(null); | |
setDefaultSchemaPattern(null); | |
setDefaultTablePattern("%"); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
protected Collection readPrimaryKeyNames(DatabaseMetaDataWrapper metaData, String tableName) throws SQLException | |
{ | |
// Axion still does not support DatabaseMetaData#getPrimaryKeys | |
return new ArrayList(); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
protected Collection readForeignKeys(DatabaseMetaDataWrapper metaData, String tableName) throws SQLException | |
{ | |
// Axion still does not support DatabaseMetaData#getImportedKeys or #getExportedKeys | |
return new ArrayList(); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
protected void removeSystemIndices(DatabaseMetaDataWrapper metaData, Table table) throws SQLException | |
{ | |
// Axion's JDBC driver does not support primary key reading, so we have to filter at this level | |
for (int indexIdx = 0; indexIdx < table.getIndexCount();) | |
{ | |
Index index = table.getIndex(indexIdx); | |
// also, Axion's internal indices are not unique | |
if (index.getName().startsWith("SYS_")) | |
{ | |
table.removeIndex(indexIdx); | |
} | |
else | |
{ | |
indexIdx++; | |
} | |
} | |
} | |
} |