scrollingresultsettablemodel.java

来自「梦界家园程序开发基底框架」· Java 代码 · 共 58 行

package jm.framework.gui.module.jmtable.model ;

import java.sql.* ;
/**
 * <p>Title: </p>
 *
 * <p>@author Spook</p>
 *
 * <p>@version 0.1.0</p>
 *
 * <p> </p> not attributable
 */
public class ScrollingResultSetTableModel
    extends ResultSetTableModel
{
    /**
	 * 
	 */
	private static final long serialVersionUID = 3771670591585296856L;

	/**
       Constructs the table model.
       @param aResultSet the result set to display.
    */
    public ScrollingResultSetTableModel(ResultSet aResultSet)
    {
       super(aResultSet);
    }

    public Object getValueAt(int r, int c)
    {
       try
       {
          ResultSet rs = getResultSet();
          rs.absolute(r + 1);
          return rs.getObject(c + 1);
       }
       catch(SQLException e)
       {
          return null;
       }
    }

    public int getRowCount()
    {
       try
       {
          ResultSet rs = getResultSet();
          rs.last();
          return rs.getRow();
       }
       catch(SQLException e)
       {
          return 0;
       }
    }
}