com.sptci.rwt.webui
Class RowTableModel

java.lang.Object
  nextapp.echo2.app.table.AbstractTableModel
      com.sptci.echo2.table.AbstractTableModel<D>
          com.sptci.echo2.table.TableModel<D>
              com.sptci.echo2.table.DefaultPageableTableModel<Row>
                  com.sptci.rwt.webui.RowTableModel

All Implemented Interfaces:

com.sptci.echo2.table.PageableTableModel, Serializable, TableModel

Direct Known Subclasses:

RowsTableModel, SortableRowTableModel

public class RowTableModel
extends com.sptci.echo2.table.DefaultPageableTableModel<Row>

A custom table model used to display Row objects.

© Copyright 2007 Sans Pareil Technologies, Inc.

Version:

$Id: RowTableModel.java 4123 2008-05-25 21:49:01Z rakesh $

Author:

Rakesh Vidyadharan 2007-10-04

See Also:

Serialized Form

Field Summary

protected ConnectionManager	manager The connection manager to use to fetch database connections.
protected int	maxColumnLength The maximum number of characters to display in a column.
protected int	maxRows The maximum number of records to fetch from the database.
protected String	query The SQL statement that is to be executed to fetch the results.

Fields inherited from class com.sptci.echo2.table.DefaultPageableTableModel

page, pageSize, totalRows

Fields inherited from class com.sptci.echo2.table.TableModel

columns, data

Fields inherited from class com.sptci.echo2.table.AbstractTableModel

sortDirection, sortIndex

Constructor Summary

protected	RowTableModel() Default constructor.
	RowTableModel(String query, int maxRows, int maxColumnLength, ConnectionManager manager) Create a new instance of the table model using the specified collection of Row objects.

Method Summary

protected void	fetchData() Fetch the data from the database by executing query.
String	getColumnName(int column) Return the column name to display at the specified index.
ConnectionManager	getManager() Returns manager.
int	getMaxColumnLength() Returns maxColumnLength.
int	getMaxRows() Returns maxRows.
String	getQuery() Returns query.
long	getTotalRows() Returns DefaultPageableTableModel.totalRows.
Object	getValueAt(int column, int row) Return the value to display at the coordinates specified.
protected void	processColumns() Over-ridden to set the proper column meta data using the column information from the row object.
void	setPage(int page) Set DefaultPageableTableModel.page.
void	setPageSize(int pageSize) Set DefaultPageableTableModel.pageSize.

Methods inherited from class com.sptci.echo2.table.DefaultPageableTableModel

getPage, getPageSize, getTotalPages

Methods inherited from class com.sptci.echo2.table.TableModel

addRow, deleteRow, deleteRow, getColumnAnnotations, getColumnClass, getColumnCount, getObjectAt, getRowCount, init, insertRow, processColumnAnnotations, processColumnsAnnotation, processFields, updateRow

Methods inherited from class com.sptci.echo2.table.AbstractTableModel

getSortDirection

Methods inherited from class nextapp.echo2.app.table.AbstractTableModel

addTableModelListener, fireTableCellUpdated, fireTableChanged, fireTableDataChanged, fireTableRowsDeleted, fireTableRowsInserted, fireTableRowsUpdated, fireTableStructureChanged, getEventListenerList, removeTableModelListener

Methods inherited from class java.lang.Object

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

Field Detail

query

protected final String query

The SQL statement that is to be executed to fetch the results.

maxRows

protected final int maxRows

The maximum number of records to fetch from the database.

maxColumnLength

protected final int maxColumnLength

The maximum number of characters to display in a column.

Since:

Version 1.3

manager

protected final ConnectionManager manager

The connection manager to use to fetch database connections.

Constructor Detail

RowTableModel

protected RowTableModel()

Default constructor. No special actions required.

Since:

Version 1.2

RowTableModel

public RowTableModel(String query,
                     int maxRows,
                     int maxColumnLength,
                     ConnectionManager manager)
              throws QueryException

Create a new instance of the table model using the specified collection of Row objects.

Parameters:

query - The sql statement that is to be executed to fetch any additional pages of data.

maxRows - The maximum number of rows to fetch from the result set.

maxColumnLength - The maximum number of characters to display in a column.

manager - The manager to use to fetch database connections.

Throws:

QueryException - If errors are encountered while executing the query.

See Also:

fetchData(), processColumns()

Method Detail

fetchData

protected void fetchData()
                  throws QueryException

Fetch the data from the database by executing query.

Throws:

QueryException - If errors are encountered while executing the query.

See Also:

AbstractTableModel.fireTableDataChanged(), QueryExecutor

processColumns

protected void processColumns()

Over-ridden to set the proper column meta data using the column information from the row object.

Overrides:

processColumns in class com.sptci.echo2.table.TableModel<Row>

getColumnName

public String getColumnName(int column)

Return the column name to display at the specified index.

Specified by:

getColumnName in interface TableModel

Overrides:

getColumnName in class com.sptci.echo2.table.TableModel<Row>

Parameters:

column - The column index for which the name is required.

Returns:

The name of the column.

getValueAt

public Object getValueAt(int column,
                         int row)

Return the value to display at the coordinates specified.

Specified by:

getValueAt in interface TableModel

Overrides:

getValueAt in class com.sptci.echo2.table.TableModel<Row>

Parameters:

column - The column index.

row - The row index.

Returns:

The value for the coordinates.

Throws:

RuntimeException - If the indices are invalid.

getQuery

public String getQuery()

Returns query.

Returns:

The value/reference of/to query.

getMaxRows

public int getMaxRows()

Returns maxRows.

Returns:

The value/reference of/to maxRows.

getMaxColumnLength

public int getMaxColumnLength()

Returns maxColumnLength.

Returns:

The value/reference of/to maxColumnLength.

Since:

Version 1.3

getManager

public ConnectionManager getManager()

Returns manager.

Returns:

The value/reference of/to manager.

getTotalRows

public long getTotalRows()

Returns DefaultPageableTableModel.totalRows.

Returns:

The value/reference of/to totalRows.

setPage

public void setPage(int page)

Set DefaultPageableTableModel.page.

Parameters:

page - The value to set.

See Also:

fetchData()

setPageSize

public void setPageSize(int pageSize)

Set DefaultPageableTableModel.pageSize.

Parameters:

pageSize - The value to set.

See Also:

fetchData()