com.db4o.drs.hibernate.impl.TablesCreatorImpl.java Source code

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Here is the source code for com.db4o.drs.hibernate.impl.TablesCreatorImpl.java

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/* Copyright (C) 2004 - 2008  Versant Inc.  http://www.db4o.com
    
This file is part of the db4o open source object database.
    
db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.
    
db4o 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 General Public License
for more details.
    
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
package com.db4o.drs.hibernate.impl;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.tool.hbm2ddl.SchemaValidator;

public final class TablesCreatorImpl implements TablesCreator {
    private final Configuration _cfg;

    public TablesCreatorImpl(Configuration aCfg) {
        _cfg = aCfg;
    }

    /**
     * @throws RuntimeException when tables/columns not found
     */
    public final void validateOrCreate() {
        SchemaValidator v = new SchemaValidator(_cfg);

        if (_cfg.getProperties().get(Environment.HBM2DDL_AUTO).equals("validate"))
            v.validate();
        else {
            SessionFactory sessionFactory = _cfg.buildSessionFactory();
            sessionFactory.close();
            v.validate();
        }
    }
}