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: ReportContext.java 2725 2007-04-01 18:49:29Z taqua $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    
032    package org.jfree.report.flow;
033    
034    import org.jfree.formula.FormulaContext;
035    import org.jfree.report.flow.layoutprocessor.LayoutControllerFactory;
036    import org.jfree.report.i18n.ResourceBundleFactory;
037    
038    /**
039     * THe global report context. This context acts as global structure that holds
040     * all processing factories and allows to store global attributes. The
041     * attribute collection is a global collection, all layout controller have
042     * shared access to the same collection.
043     *
044     * Each report run (prepare, paginate, content-generate) uses its own context
045     * implementation - attributes are not shared or preserved among the different
046     * runs.
047     *
048     * @author Thomas Morgner
049     */
050    public interface ReportContext
051    {
052      public FormulaContext getFormulaContext();
053      public LayoutControllerFactory getLayoutControllerFactory();
054      public String getExportDescriptor();
055      public ResourceBundleFactory getResourceBundleFactory();
056      public ReportStructureRoot getReportStructureRoot();
057    
058      public void setAttribute (Object key, Object value);
059      public Object getAttribute (Object key);
060    }