Package weka.gui.sql

Class ResultSetTableModel

java.lang.Object
weka.gui.sql.ResultSetTableModel
All Implemented Interfaces:
TableModel
public class ResultSetTableModel extends Object implements TableModel
The model for an SQL ResultSet.
Version:
$Revision: 10222 $
Author:
FracPete (fracpete at waikato dot ac dot nz)

  • Constructor Summary

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

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addTableModelListener(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.
    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.
    String
    getColumnName(int columnIndex)
    returns the name of the column at columnIndex.
    int
    getRowCount()
    returns the number of rows in the model.
    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(TableModelListener l)
    removes a listener from the list that is notified each time a change to the data model occurs.
    void
    setValueAt(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 Details

    • ResultSetTableModel

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

    • ResultSetTableModel

      public ResultSetTableModel(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 Details

    • addTableModelListener

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

    • getColumnClass

      public Class<?> getColumnClass(int columnIndex)
      returns the most specific superclass for all the cell values in the column (always String).
      Specified by:
      getColumnClass in interface 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 TableModel
      Returns:
      the number of columns

    • getColumnName

      public String getColumnName(int columnIndex)
      returns the name of the column at columnIndex.
      Specified by:
      getColumnName in interface 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 TableModel
      Returns:
      the number of data rows

    • getValueAt

      public Object getValueAt(int rowIndex, int columnIndex)
      returns the value for the cell at columnindex and rowIndex.
      Specified by:
      getValueAt in interface 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 TableModel
      Parameters:
      rowIndex - the row of the cell
      columnIndex - the column of the cell
      Returns:
      always false

    • removeTableModelListener

      public void removeTableModelListener(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 TableModel
      Parameters:
      l - the listener to remove

    • setValueAt

      public void setValueAt(Object aValue, int rowIndex, int columnIndex)
      sets the value in the cell at columnIndex and rowIndex to aValue. Ignored.
      Specified by:
      setValueAt in interface 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 Throwable
      frees up the memory.
      Throws:
      Throwable - if something goes wrong