ColumnReference.java

/* 
 *
 * SchemaCrawler
 * http://sourceforge.net/projects/schemacrawler
 * Copyright (c) 2000-2014, Sualeh Fatehi.
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

package schemacrawler.schema;


import java.io.Serializable;

/**
 * Represents a single column mapping from a primary key column to a
 * foreign key column.
 * 
 * @author Sualeh Fatehi
 */
public interface ColumnReference
  extends Serializable, Comparable<ColumnReference>
{

  /**
   * Gets the foreign key column.
   * 
   * @return Foreign key column
   */
  Column getForeignKeyColumn();

  /**
   * Gets the primary key column.
   * 
   * @return Primary key column
   */
  Column getPrimaryKeyColumn();

}