001    /**
002     * www.jcoverage.com
003     * Copyright (C)2003 jcoverage ltd.
004     *
005     * This file is part of jcoverage.
006     *
007     * jcoverage is free software; you can redistribute it and/or modify
008     * it under the terms of the GNU General Public License as published
009     * by the Free Software Foundation; either version 2 of the License,
010     * or (at your option) any later version.
011     *
012     * jcoverage is distributed in the hope that it will be useful, but
013     * WITHOUT ANY WARRANTY; without even the implied warranty of
014     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015     * General Public License for more details.
016     *
017     * You should have received a copy of the GNU General Public License
018     * along with jcoverage; if not, write to the Free Software
019     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
020     * USA
021     *
022     */
023    package com.jcoverage.reporting;
024    
025    import java.util.*;
026    import org.apache.log4j.Logger;
027    
028    /**
029     * Instances of this class are analogous to a database table, but not
030     * the same. A database table contains its columns, whereas lines only
031     * reference their categories, such that categories can be used by two
032     * different lines which belong in different pages.
033     */
034    public interface LineCategory {
035        
036      /**
037       * Return the columns that are associated with this category.
038       */
039      Collection getColumns();
040      
041    }