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Java Source Code / Java Documentation » IDE Netbeans » visualweb.api.designer » com.sun.data.provider

Source Cross Reference Class Diagram Java Document (Java Doc)

com.sun.data.provider .RefreshableDataProvider

All known Subclasses:   com.sun.data.provider.impl .CachedRowSetDataProvider,  com.sun.data.provider.impl .MethodResultTableDataProvider,  com.sun.data.provider.impl .MethodResultDataProvider,
RefreshableDataProvider
public interface RefreshableDataProvider extends DataProvider(Code)

Behavioral interface that is implemented by DataProvider classes that offer refresh support. Calling the refresh() method on this interface causes the DataProvider to re-fetch whatever data it is representing from the underlying source. This may be a JDBC call, or an EJB or web service method invocation, etc. Any cached changes in the DataProvider will be lost.

author:
   Joe Nuxoll

Method Summary
public void addRefreshableDataListener(RefreshableDataListener listener)

public RefreshableDataListener[] getRefreshableDataListeners()

public void refresh()

Cause a re-fetch of whatever data this DataProvider is representing from the underlying source.
public void removeRefreshableDataListener(RefreshableDataListener listener)


Method Detail
addRefreshableDataListener
public void addRefreshableDataListener(RefreshableDataListener listener)(Code)

Register a new RefreshableDataListener to this RefreshableDataProvider instance.

Parameters:
  listener - New RefreshableDataListener to register

getRefreshableDataListeners
public RefreshableDataListener[] getRefreshableDataListeners()(Code)
An array of the RefreshableDataListenerscurrently registered on this RefreshableDataProvider.If there are no registered listeners, a zero-length array isreturned.

refresh
public void refresh() throws DataProviderException(Code)

Cause a re-fetch of whatever data this DataProvider is representing from the underlying source. This may result in a JDBC call, or an EJB or web service method invocation, etc. Any cached changes in the DataProvider will be lost.

throws:
  DataProviderException - Implementations may wish to surfaceinternal exceptions (nested in DataProviderException). Consultthe documentation of the specific DataProvider implementation fordetails on what exceptions might be wrapped by a DPE.

removeRefreshableDataListener
public void removeRefreshableDataListener(RefreshableDataListener listener)(Code)

Deregister an existing RefreshableDataListener from RefreshableDataProvider instance.

Parameters:
  listener - Old RefreshableDataListener to remove

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