oracle.dss.util
Interface DataDirectorListener

All Superinterfaces:

java.util.EventListener

All Known Implementing Classes:

Layout, TextExport

public interface DataDirectorListener

extends java.util.EventListener

The listener for notification of changes to data.

Method Summary

void	viewDataAvailable(DataAvailableEvent e) Responds when data is ready or revoked.
void	viewDataChanged(DataChangedEvent e) Responds to changes to the actual data or metadata.
void	waitDataAvailable(WaitDataAvailableEvent e) Responds when data is available to replace a WaitData.

Method Detail

viewDataChanged

public void viewDataChanged(DataChangedEvent e)

Responds to changes to the actual data or metadata.

Parameters:

e - Information about the change in the data.

viewDataAvailable

public void viewDataAvailable(DataAvailableEvent e)

Responds when data is ready or revoked.

Parameters:

e - Information about the data provider.

waitDataAvailable

public void waitDataAvailable(WaitDataAvailableEvent e)

Responds when data is available to replace a WaitData. When a view requests a data value that a data source has not fetched yet, the DataDirector returns a WaitData object instead of the data value. Then, when the data has been fetched and is available, the DataDirector calls this method.

Parameters:

e - Information about the fetch.

See Also:

DataDirector, WaitData