/*
// $Id: //open/dev/farrago/src/net/sf/farrago/query/FarragoQueryColumnSet.java#11 $
// Farrago is an extensible data management system.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Portions Copyright (C) 2003-2009 John V. Sichi
//
// 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 approved by The Eigenbase Project.
//
// 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 net.sf.farrago.query;

import net.sf.farrago.cwm.relational.*;
import net.sf.farrago.namespace.*;


/**
 * FarragoQueryColumnSet represents a specialization of {@link
 * FarragoMedColumnSet} which knows how to interact with {@link
 * FarragoPreparingStmt}.
 *
 * @author John V. Sichi
 * @version $Id: //open/dev/farrago/src/net/sf/farrago/query/FarragoQueryColumnSet.java#11 $
 */
public interface FarragoQueryColumnSet
    extends FarragoMedColumnSet
{
    //~ Methods ----------------------------------------------------------------

    /**
     * @return the FarragoPreparingStmt acting on this column set
     */
    public FarragoPreparingStmt getPreparingStmt();

    /**
     * Sets the FarragoPreparingStmt acting on this column set.
     *
     * @param stmt the FarragoPreparingStmt to set
     */
    public void setPreparingStmt(FarragoPreparingStmt stmt);

    /**
     * @return the CwmNamedColumnSet corresponding to this column set
     */
    public CwmNamedColumnSet getCwmColumnSet();

    /**
     * Sets the CwmNamedColumnSet corresponding to this column set.
     *
     * @param cwmColumnSet the CwmNamedColumnSet, or null if this column set is
     * not defined in the catalog
     */
    public void setCwmColumnSet(CwmNamedColumnSet cwmColumnSet);
}

// End FarragoQueryColumnSet.java
