com.fdsapi
Class TabularDataEmpty

java.lang.Object
  |
  +--com.fdsapi.TabularDataBase
        |
        +--com.fdsapi.TabularDataEmpty

All Implemented Interfaces:

java.io.Serializable, TabularData

public class TabularDataEmpty

extends TabularDataBase

Null TabularData object. Null objects allow code to be written the same way whether an object exists or doesn't (i.e. the null object). This is a refactoring mentioned in Martin Fowler's Refactoring book.

View Code

See Also:

Serialized Form

Field Summary

Fields inherited from class com.fdsapi.TabularDataBase

colIterator, rowIterator

Fields inherited from interface com.fdsapi.TabularData

NOTUSED

Constructor Summary

	TabularDataEmpty()
protected	TabularDataEmpty(int numRows, int numCols)

Method Summary

static TabularData	createInstance()
TabularData	createInstance(java.lang.Object data) Factory method that returns a TabularData instance.
java.lang.Object	getCellData() Return current cell data (the current row and current column)
java.lang.Object	getCellData(int col) Return cell data in the current rows specified column

Methods inherited from class com.fdsapi.TabularDataBase

createColIterator, createRowIterator, getColIterator, getHeader, getRowIterator, setHeader

Methods inherited from class java.lang.Object

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

Constructor Detail

TabularDataEmpty

public TabularDataEmpty()

TabularDataEmpty

protected TabularDataEmpty(int numRows,
                           int numCols)

Method Detail

createInstance

public static TabularData createInstance()

getCellData

public java.lang.Object getCellData(int col)

Description copied from interface: TabularData

Return cell data in the current rows specified column

Specified by:

getCellData in interface TabularData

Specified by:

getCellData in class TabularDataBase

getCellData

public java.lang.Object getCellData()

Description copied from interface: TabularData

Return current cell data (the current row and current column)

Specified by:

getCellData in interface TabularData

Specified by:

getCellData in class TabularDataBase

createInstance

public TabularData createInstance(java.lang.Object data)

Description copied from interface: TabularData

Factory method that returns a TabularData instance. The passed object is the underlying data that will be iterated (i.e. ResultSet, Object[][] etc)

Specified by:

createInstance in interface TabularData

Specified by:

createInstance in class TabularDataBase