public String collectionTableName(
            String ownerEntity, String ownerEntityTable, String associatedEntity,
            String associatedEntityTable,
            String propertyName) {
        return PREFIX + super.collectionTableName(ownerEntity, ownerEntityTable,
                associatedEntity, associatedEntityTable, propertyName).toLowerCase();
    }

//    POSper is a Point of Sale System.
//    Copyright (C) 2007 OXN Technologies
//    Copyright (C) 2016 arcasys
//    www.posper.org
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    This program 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 org.posper.hibernate;

import org.hibernate.boot.model.naming.EntityNaming;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.boot.model.naming.ImplicitJoinColumnNameSource;
import org.hibernate.boot.model.naming.ImplicitJoinTableNameSource;
import org.hibernate.boot.model.naming.ImplicitNamingStrategyLegacyJpaImpl;

/**
* @author Hans <mail@arcasys.de>
*
*/
public class PosperNamingStrategy extends ImplicitNamingStrategyLegacyJpaImpl {

    private static final long serialVersionUID = -6156051787915506283L;
    private static final String PREFIX = "posper_";

    @Override
    protected String transformEntityName(EntityNaming entityNaming) {
        return PREFIX + entityNaming.getJpaEntityName().toLowerCase();
    }

    @Override
    public Identifier determineJoinTableName(ImplicitJoinTableNameSource source) {
        String tname = (PREFIX +
                source.getOwningEntityNaming().getJpaEntityName() + "_" +
                source.getNonOwningEntityNaming().getJpaEntityName()).toLowerCase();
        System.out.println("0: " + tname);
        return Identifier.toIdentifier(tname);
    }
   
    @Override
       public Identifier determineJoinColumnName(ImplicitJoinColumnNameSource source) {
      final String name;
      if ( source.getNature() == ImplicitJoinColumnNameSource.Nature.ELEMENT_COLLECTION
            || source.getAttributePath() == null ) {
                        // This is the relevant change to avoid that the join column name is also prefixed
                        // which happened for ManyToMany associations
         name = source.getEntityNaming().getJpaEntityName().toLowerCase()
               + '_'
               + source.getReferencedColumnName().getText();
      }
      else {
         name = transformAttributePath( source.getAttributePath() )
               + '_'
               + source.getReferencedColumnName().getText();
      }

      return toIdentifier( name, source.getBuildingContext() );
   }
    }