code: /*--------------------------------------------------------------*
    Copyright (C) 2006-2015 OpenSim Ltd.
  
    This file is distributed WITHOUT ANY WARRANTY. See the file
    'License' for details on this and other legal matters.
  *--------------------------------------------------------------*/
  
  package org.omnetpp.scave.charting.dataset;
  
  import java.util.List;
  
  /**
   * Interface for datasets displayed on bar charts.
   *
   * @author tomi
   */
  public interface IGroupsSeriesDataset extends IDataset {
      /**
       * Returns the series (column) count.
       */
      public int getSeriesCount();
  
      /**
       * Returns the series key for a given index.
       */
      public String getSeriesKey(int series);
  
      /**
       * Returns the series title for a given index.
       */
      public String getSeriesTitle(int series);
  
      /**
       * Returns the group (row) count.
       */
      public int getGroupCount();
  
      // groups have no keys
  
      /**
       * Returns the group title for a given index.
       */
      public String getGroupTitle(int group);
  
      public void setGroupTitles(List<String> groupTitles);
  
      /**
       * Returns the value associated with the specified cell.
       */
      public double getValue(int series, int group);
  
      /**
       * For tooltips. Can be used for enum values.
       */
      String getValueAsString(int series, int group);
  }
  