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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.database.core;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
public enum SupportedDatabase {
oracle,
derby,
foxpro,
mysql,
postgresql;
public static SupportedDatabase getDatabaseType(DatabaseMetaData metaData) throws OseeCoreException {
SupportedDatabase toReturn = null;
try {
String dbName = metaData.getDatabaseProductName();
String lowerCaseName = dbName.toLowerCase();
if (lowerCaseName.contains(SupportedDatabase.derby.toString())) {
toReturn = SupportedDatabase.derby;
} else if (lowerCaseName.contains(SupportedDatabase.oracle.toString())) {
toReturn = SupportedDatabase.oracle;
} else if (lowerCaseName.contains(SupportedDatabase.foxpro.toString())) {
toReturn = SupportedDatabase.foxpro;
} else if (lowerCaseName.contains(SupportedDatabase.mysql.toString())) {
toReturn = SupportedDatabase.mysql;
} else if (lowerCaseName.contains(SupportedDatabase.postgresql.toString())) {
toReturn = SupportedDatabase.postgresql;
} else {
throw new OseeDataStoreException("Unsupported database type: " + dbName);
}
} catch (SQLException ex) {
OseeExceptions.wrapAndThrow(ex);
}
return toReturn;
}
public static boolean isDatabaseType(DatabaseMetaData metaData, SupportedDatabase dbType) throws OseeCoreException {
return getDatabaseType(metaData) == dbType;
}
public static boolean areHintsSupported(DatabaseMetaData metaData) throws OseeCoreException {
try {
if (SupportedDatabase.isDatabaseType(metaData, oracle)) {
return metaData.getDatabaseMajorVersion() > 10;
}
} catch (SQLException ex) {
OseeExceptions.wrapAndThrow(ex);
}
return false;
}
public static String getComplementSql(DatabaseMetaData metaData) throws OseeCoreException {
return isDatabaseType(metaData, oracle) ? "MINUS" : "EXCEPT";
}
}
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