Package weka.gui.sql

Class ResultSetTableModel

  • All Implemented Interfaces:
    javax.swing.table.TableModel
    public class ResultSetTableModel
extends java.lang.Object
implements javax.swing.table.TableModel
    The model for an SQL ResultSet.
    Version:
    $Revision: 7059 $
    Author:
    FracPete (fracpete at waikato dot ac dot nz)

    • Constructor Summary

      Constructors 
      Constructor Description
      ResultSetTableModel​(java.sql.ResultSet rs)
      initializes the model, retrieves all rows.
      ResultSetTableModel​(java.sql.ResultSet rs, int rows)
      initializes the model, retrieves only the given amount of rows (0 means all).

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addTableModelListener​(javax.swing.event.TableModelListener l)
      adds a listener to the list that is notified each time a change to data model occurs.
      void finalize()
      frees up the memory.
      java.lang.Class getColumnClass​(int columnIndex)
      returns the most specific superclass for all the cell values in the column (always String).
      int getColumnCount()
      returns the number of columns in the model.
      java.lang.String getColumnName​(int columnIndex)
      returns the name of the column at columnIndex.
      int getRowCount()
      returns the number of rows in the model.
      java.lang.Object getValueAt​(int rowIndex, int columnIndex)
      returns the value for the cell at columnindex and rowIndex.
      boolean isCellEditable​(int rowIndex, int columnIndex)
      returns true if the cell at rowindex and columnindexis editable.
      boolean isNullAt​(int rowIndex, int columnIndex)
      checks whether the value of the cell is NULL.
      boolean isNumericAt​(int columnIndex)
      returns whether the column at the given index is numeric.
      void removeTableModelListener​(javax.swing.event.TableModelListener l)
      removes a listener from the list that is notified each time a change to the data model occurs.
      void setValueAt​(java.lang.Object aValue, int rowIndex, int columnIndex)
      sets the value in the cell at columnIndex and rowIndex to aValue.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • ResultSetTableModel

        public ResultSetTableModel​(java.sql.ResultSet rs)
        initializes the model, retrieves all rows.
        Parameters:
        rs - the ResultSet to get the data from

      • ResultSetTableModel

        public ResultSetTableModel​(java.sql.ResultSet rs,
                           int rows)
        initializes the model, retrieves only the given amount of rows (0 means all).
        Parameters:
        rs - the ResultSet to get the data from
        rows - the maximum number of rows to retrieve, 0 retrieves all

    • Method Detail

      • addTableModelListener

        public void addTableModelListener​(javax.swing.event.TableModelListener l)
        adds a listener to the list that is notified each time a change to data model occurs.
        Specified by:
        addTableModelListener in interface javax.swing.table.TableModel
        Parameters:
        l - the listener to add

      • getColumnClass

        public java.lang.Class getColumnClass​(int columnIndex)
        returns the most specific superclass for all the cell values in the column (always String).
        Specified by:
        getColumnClass in interface javax.swing.table.TableModel
        Parameters:
        columnIndex - the index of the column
        Returns:
        the class

      • getColumnCount

        public int getColumnCount()
        returns the number of columns in the model.
        Specified by:
        getColumnCount in interface javax.swing.table.TableModel
        Returns:
        the number of columns

      • getColumnName

        public java.lang.String getColumnName​(int columnIndex)
        returns the name of the column at columnIndex.
        Specified by:
        getColumnName in interface javax.swing.table.TableModel
        Parameters:
        columnIndex - the index of the column
        Returns:
        the name

      • getRowCount

        public int getRowCount()
        returns the number of rows in the model.
        Specified by:
        getRowCount in interface javax.swing.table.TableModel
        Returns:
        the number of data rows

      • getValueAt

        public java.lang.Object getValueAt​(int rowIndex,
                                   int columnIndex)
        returns the value for the cell at columnindex and rowIndex.
        Specified by:
        getValueAt in interface javax.swing.table.TableModel
        Parameters:
        rowIndex - the row of the cell
        columnIndex - the column of the cell
        Returns:
        the data value

      • isNullAt

        public boolean isNullAt​(int rowIndex,
                        int columnIndex)
        checks whether the value of the cell is NULL.
        Parameters:
        rowIndex - the row of the cell
        columnIndex - the column of the cell
        Returns:
        true if the cell value is NULL

      • isNumericAt

        public boolean isNumericAt​(int columnIndex)
        returns whether the column at the given index is numeric.
        Parameters:
        columnIndex - the column to check
        Returns:
        whether the column is numeric

      • isCellEditable

        public boolean isCellEditable​(int rowIndex,
                              int columnIndex)
        returns true if the cell at rowindex and columnindexis editable.
        Specified by:
        isCellEditable in interface javax.swing.table.TableModel
        Parameters:
        rowIndex - the row of the cell
        columnIndex - the column of the cell
        Returns:
        always false

      • removeTableModelListener

        public void removeTableModelListener​(javax.swing.event.TableModelListener l)
        removes a listener from the list that is notified each time a change to the data model occurs.
        Specified by:
        removeTableModelListener in interface javax.swing.table.TableModel
        Parameters:
        l - the listener to remove

      • setValueAt

        public void setValueAt​(java.lang.Object aValue,
                       int rowIndex,
                       int columnIndex)
        sets the value in the cell at columnIndex and rowIndex to aValue. Ignored.
        Specified by:
        setValueAt in interface javax.swing.table.TableModel
        Parameters:
        aValue - the value to set - ignored
        rowIndex - the row of the cell
        columnIndex - the column of the cell

      • finalize

        public void finalize()
              throws java.lang.Throwable
        frees up the memory.
        Throws:
        java.lang.Throwable - if something goes wrong