Class ScrollableResultSetTableModel

java.lang.Object
javax.swing.table.AbstractTableModel
org.jfree.report.modules.misc.tablemodel.ScrollableResultSetTableModel
All Implemented Interfaces:
Serializable, TableModel, CloseableTableModel

public class ScrollableResultSetTableModel extends AbstractTableModel implements CloseableTableModel
A tableModel which is backed up by a java.sql.ResultSet. Use this to directly feed your database data into JFreeReport. If you have trouble using this TableModel and you have either enough memory or your query result is not huge, you may want to use ResultSetTableModelFactory.generateDefaultTableModel (ResultSet rs). That implementation will read all data from the given ResultSet and keep that data in memory.

Use the close() function to close the ResultSet contained in this model.

Author:
Thomas Morgner
See Also:
  • Constructor Details

    • ScrollableResultSetTableModel

      public ScrollableResultSetTableModel(ResultSet resultset, boolean labelMapMode) throws SQLException
      Constructs the model.
      Parameters:
      resultset - the result set.
      labelMapMode - defines, whether to use column names or column labels to compute the column index.
      Throws:
      SQLException - if there is a problem with the result set.
    • ScrollableResultSetTableModel

      protected ScrollableResultSetTableModel(boolean labelMapMode)
      Creates a new scrollable result set with no resultset assigned and the specified label map mode.
      Parameters:
      labelMapMode - defines, whether to use column names or column labels to compute the column index.
  • Method Details

    • isLabelMapMode

      public boolean isLabelMapMode()
      Returns the column name mode used to map column names into column indices. If true, then the Label is used, else the Name is used.
      Returns:
      true, if the column label is used for the mapping, false otherwise.
      See Also:
    • updateResultSet

      public void updateResultSet(ResultSet resultset) throws SQLException
      Updates the result set in this model with the given ResultSet object.
      Parameters:
      resultset - the new result set.
      Throws:
      SQLException - if there is a problem with the result set.
    • close

      public void close()
      Clears the model of the current result set. The resultset is closed.
      Specified by:
      close in interface CloseableTableModel
    • getRowCount

      public int getRowCount()
      Get a rowCount. This can be a very expensive operation on large datasets. Returns -1 if the total amount of rows is not known to the result set.
      Specified by:
      getRowCount in interface TableModel
      Returns:
      the row count.
    • getColumnCount

      public int getColumnCount()
      Returns the number of columns in the ResultSet. Returns 0 if no result set is set or the column count could not be retrieved.
      Specified by:
      getColumnCount in interface TableModel
      Returns:
      the column count.
      See Also:
    • getColumnName

      public String getColumnName(int column)
      Returns the columnLabel or column name for the given column. Whether the label or the name is returned depends on the label map mode.
      Specified by:
      getColumnName in interface TableModel
      Overrides:
      getColumnName in class AbstractTableModel
      Parameters:
      column - the column index.
      Returns:
      the column name.
      See Also:
    • getValueAt

      public Object getValueAt(int row, int column)
      Returns the value of the specified row and the specified column from within the resultset.
      Specified by:
      getValueAt in interface TableModel
      Parameters:
      row - the row index.
      column - the column index.
      Returns:
      the value.
    • getColumnClass

      public Class getColumnClass(int column)
      Returns the class of the resultset column. Returns Object.class if an error occurred.
      Specified by:
      getColumnClass in interface TableModel
      Overrides:
      getColumnClass in class AbstractTableModel
      Parameters:
      column - the column index.
      Returns:
      the column class.
    • getColumnClassName

      public String getColumnClassName(int column)
      Returns the classname of the resultset column. Returns Object.class if an error occurred.
      Parameters:
      column - the column index.
      Returns:
      the column class name.