com.bea.wlw.netui.tags.databinding.grid.datacontext
Class EmptyDataContext

java.lang.Object
  com.bea.wlw.netui.tags.databinding.grid.datacontext.DataContext
      com.bea.wlw.netui.tags.databinding.grid.datacontext.EmptyDataContext

public final class EmptyDataContext
extends DataContext

A final class that is the default DataContext in a GridContext; it allows clients to interact with a GridContext when the DataContext has not been initialized because of an error or an exception.

Nested Class Summary

class

EmptyDataContext.EmptyDataContextItemMetadata

Nested classes/interfaces inherited from class com.bea.wlw.netui.tags.databinding.grid.datacontext.DataContext

DataContext.DataContextItemMetadata, DataContext.RowIdentifierItem

Field Summary

Fields inherited from class com.bea.wlw.netui.tags.databinding.grid.datacontext.DataContext

EMPTY_STRING

Constructor Summary

EmptyDataContext()

Method Summary

int	getColumnCount()
String	getColumnName(int index)
int	getColumnType(int index)
int	getColumnType(String name)
Object	getColumnValue(int index)
Object	getColumnValue(String name)
int	getCurrentIndex()
Object	getCurrentItem()
DataContext.DataContextItemMetadata	getCurrentMetadata()
String	getCurrentUniqueIdentifier()
boolean	hasNext()
Object	next()
void	setIterationRange(int start, int end)
int	size()
Object	unwrap()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyDataContext

public EmptyDataContext()

Method Detail

getColumnType

public int getColumnType(int index)

Specified by:

getColumnType in class DataContext

getColumnType

public int getColumnType(String name)

Specified by:

getColumnType in class DataContext

getColumnName

public String getColumnName(int index)

Specified by:

getColumnName in class DataContext

getColumnValue

public Object getColumnValue(int index)

Specified by:

getColumnValue in class DataContext

getColumnValue

public Object getColumnValue(String name)

Specified by:

getColumnValue in class DataContext

getCurrentUniqueIdentifier

public String getCurrentUniqueIdentifier()

getCurrentItem

public Object getCurrentItem()

Specified by:

getCurrentItem in class DataContext

getCurrentIndex

public int getCurrentIndex()

Specified by:

getCurrentIndex in class DataContext

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in class DataContext

next

public Object next()

Specified by:

next in class DataContext

hasNext

public boolean hasNext()

Specified by:

hasNext in class DataContext

unwrap

public Object unwrap()

Specified by:

unwrap in class DataContext

size

public int size()

Specified by:

size in class DataContext

setIterationRange

public void setIterationRange(int start,
                              int end)

Specified by:

setIterationRange in class DataContext

getCurrentMetadata

public DataContext.DataContextItemMetadata getCurrentMetadata()

Specified by:

getCurrentMetadata in class DataContext