001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: ExpressionRuntime.java 3048 2007-07-28 18:02:42Z tmorgner $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    package org.jfree.report.expressions;
032    
033    import org.jfree.report.DataRow;
034    import org.jfree.report.ReportData;
035    import org.jfree.report.flow.ReportContext;
036    import org.jfree.report.i18n.ResourceBundleFactory;
037    import org.jfree.util.Configuration;
038    
039    /**
040     * Creation-Date: 24.01.2006, 16:58:34
041     *
042     * @author Thomas Morgner
043     */
044    public interface ExpressionRuntime
045    {
046      /**
047       * Returns the datarow.
048       *
049       * @return
050       */
051      public DataRow getDataRow();
052      public Configuration getConfiguration();
053      public ResourceBundleFactory getResourceBundleFactory();
054    
055      /**
056       * Returns the report data used in this section. If subreports are used,
057       * this does not reflect the complete report data.
058       * <p>
059       * All access to the report data must be properly synchronized. Failure to
060       * do so may result in funny results. Do not assume that the report data
061       * will be initialized on the current cursor positon.
062       *
063       * @return
064       * @see ExpressionRuntime#getCurrentRow()
065       */
066      public ReportData getData();
067      public int getCurrentRow();
068    
069      public Object getDeclaringParent();
070      public ReportContext getReportContext();
071    }