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Oracle Fusion Middleware Java API Reference for Oracle Data Visualization Components 11g Release 2 (11.1.2.1.0) E17492-02 |
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public interface DataDirectorListener
The listener for notification of changes to data.
Method Summary | |
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void |
pollingRequired(PollingRequiredEvent polling)
Event fired to inform listeners that the given DataDirector requires polling to retrieve data using the DataDirector3 events getStatus and possibly fireEvents. |
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 |
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void viewDataChanged(DataChangedEvent e)
e
- Information about the change in the data.void viewDataAvailable(DataAvailableEvent e)
e
- Information about the data provider.void waitDataAvailable(WaitDataAvailableEvent e)
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.
e
- Information about the fetch.DataDirector
,
WaitData
void pollingRequired(PollingRequiredEvent polling)
event
- Event informing listener of data needing polling
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Oracle Fusion Middleware Java API Reference for Oracle Data Visualization Components 11g Release 2 (11.1.2.1.0) E17492-02 |
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