/*
// $Id: //open/dev/farrago/src/org/eigenbase/reltype/RelDataTypeField.java#10 $
// Package org.eigenbase is a class library of data management components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2002-2009 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 org.eigenbase.reltype;

/**
 * RelDataTypeField represents the definition of a field in a structured {@link
 * RelDataType}.
 *
 * @author jhyde
 * @version $Id: //open/dev/farrago/src/org/eigenbase/reltype/RelDataTypeField.java#10 $
 * @since May 29, 2003
 */
public interface RelDataTypeField
{
    //~ Methods ----------------------------------------------------------------

    /**
     * Gets the name of this field, which is unique within its containing type.
     *
     * @return field name
     */
    public String getName();

    /**
     * Gets the ordinal of this field within its containing type.
     *
     * @return 0-based ordinal
     */
    public int getIndex();

    /**
     * Gets the type of this field.
     *
     * @return field type
     */
    public RelDataType getType();
}

// End RelDataTypeField.java
