oracle.adf.view.rich.model

Class ActiveTreeModelDecorator

java.lang.Object

javax.faces.model.DataModel

org.apache.myfaces.trinidad.model.CollectionModel

org.apache.myfaces.trinidad.model.TreeModel

org.apache.myfaces.trinidad.model.TreeModelDecorator

oracle.adf.view.rich.model.ActiveTreeModelDecorator

All Implemented Interfaces:

Iterable, ActiveDataModel, org.apache.myfaces.trinidad.model.LocalRowKeyIndex, org.apache.myfaces.trinidad.model.RowKeyIndex, org.apache.myfaces.trinidad.model.TreeLocalRowKeyIndex

public abstract class ActiveTreeModelDecorator
extends org.apache.myfaces.trinidad.model.TreeModelDecorator
implements ActiveDataModel

Nested Class Summary

Nested classes/interfaces inherited from interface oracle.adf.view.rich.model.ActiveDataModel

ActiveDataModel.ActiveDataPolicy

Nested classes/interfaces inherited from interface org.apache.myfaces.trinidad.model.LocalRowKeyIndex

org.apache.myfaces.trinidad.model.LocalRowKeyIndex.Confidence, org.apache.myfaces.trinidad.model.LocalRowKeyIndex.LocalCachingStrategy

Field Summary

Fields inherited from class org.apache.myfaces.trinidad.model.CollectionModel

UNKNOWN_ROW_LIMIT, UNLIMITED_ROW

Constructor Summary

Constructors

Constructor and Description
ActiveTreeModelDecorator()

Method Summary

Methods

Modifier and Type	Method and Description
abstract ActiveDataModel	getActiveDataModel() returns the ActiveDataModel implementation
ActiveDataModel.ActiveDataPolicy	getActiveDataPolicy() always return ActiveDataPolicy.ACTIVE
int	getCurrentChangeCount() Returns the current monotonically increasing change count for this ActiveDataModel This change count is used by the UI components to maintain read consistency between model data fetches and the active data updates.
void	startActiveData(Collection<Object> rowKeys, int startChangeCount, ActiveDataListener listener) Called by the DataUpdateManager to notify the ActiveDataModel to start delivering change notifications for the collections of the containers identified by the rowKeys.
void	stopActiveData(Collection<Object> rowKeys, ActiveDataListener listener) Called by the DataUpdateManager to notify the ActiveDataModel to stop delivering change notifications for the collections of the container identified by the given rowKeys The rowKeys are for the wrapped collection model by the CollectionModelDecorator

Methods inherited from class org.apache.myfaces.trinidad.model.TreeModelDecorator

enterContainer, exitContainer, getContainerRowKey, getRowCount, getRowData, getRowIndex, getRowKey, getTreeModel, getWrappedData, isContainer, isRowAvailable, setRowIndex, setRowKey, setWrappedData

Methods inherited from class org.apache.myfaces.trinidad.model.TreeModel

areRowsLocallyAvailable, areRowsLocallyAvailable, areRowsLocallyAvailable, getAllAncestorContainerRowKeys, getContainerRowKey, getDepth, getDepth, isChildCollectionLocallyAvailable, isChildCollectionLocallyAvailable, isChildCollectionLocallyAvailable, isContainerEmpty

Methods inherited from class org.apache.myfaces.trinidad.model.CollectionModel

addRowKeyChangeListener, areRowsAvailable, areRowsAvailable, areRowsAvailable, areRowsLocallyAvailable, areRowsLocallyAvailable, areRowsLocallyAvailable, clearCachedRow, clearCachedRow, clearCachedRows, clearCachedRows, clearLocalCache, ensureRowsAvailable, fireRowKeyChange, getCachingStrategy, getEstimatedRowCount, getEstimatedRowCountConfidence, getRowData, getRowData, getRowLimit, getSortCriteria, hasRowKeyChangeListener, isRowAvailable, isRowAvailable, isRowLocallyAvailable, isRowLocallyAvailable, isSortable, removeRowKeyChangeListener, setSortCriteria

Methods inherited from class javax.faces.model.DataModel

addDataModelListener, getDataModelListeners, iterator, removeDataModelListener

Methods inherited from class java.lang.Object

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

Constructor Detail

ActiveTreeModelDecorator

public ActiveTreeModelDecorator()

Method Detail

getActiveDataPolicy

public ActiveDataModel.ActiveDataPolicy getActiveDataPolicy()

always return ActiveDataPolicy.ACTIVE

Specified by:

getActiveDataPolicy in interface ActiveDataModel

Returns:

the active data policy

See Also:

ActiveDataModel.ActiveDataPolicy

startActiveData

public void startActiveData(Collection<Object> rowKeys,
                   int startChangeCount,
                   ActiveDataListener listener)

Called by the DataUpdateManager to notify the ActiveDataModel to start delivering change notifications for the collections of the containers identified by the rowKeys. The rowKeys are for the wrapped collection model by the CollectionModelDecorator

Specified by:

startActiveData in interface ActiveDataModel

Parameters:

rowKeys - the container row keys of the collection, from which the ActiveDataListener receives active events. Pass null or empty collection for root collection.

startChangeCount - Change count to start sending active data from.

listener - ActiveDataListener for the ActiceDataModel to use when notifying the DataUpdateManager of changes

Throws:

IllegalStateException - if ActiveDataPolicy is STATIC

IllegalArgumentException - if listener is null or the startChangeCount is greater than the current change count.

See Also:

stopActiveData(java.util.Collection<java.lang.Object>, oracle.adf.view.rich.event.ActiveDataListener)

stopActiveData

public void stopActiveData(Collection<Object> rowKeys,
                  ActiveDataListener listener)

Called by the DataUpdateManager to notify the ActiveDataModel to stop delivering change notifications for the collections of the container identified by the given rowKeys The rowKeys are for the wrapped collection model by the CollectionModelDecorator

Specified by:

stopActiveData in interface ActiveDataModel

Parameters:

rowKeys - the container row keys of the collections, from which the ActiveDataListener receives active events. Pass null or empty collection for root collection.

listener - the ActiveDataListener to be removed ActiveDataListener receives active events. Pass null for root collection.

Throws:

IllegalStateException - If called on an ActiveDataModel that was never started by calling startActiveData

See Also:

startActiveData(java.util.Collection<java.lang.Object>, int, oracle.adf.view.rich.event.ActiveDataListener)

getCurrentChangeCount

public int getCurrentChangeCount()

Returns the current monotonically increasing change count for this ActiveDataModel This change count is used by the UI components to maintain read consistency between model data fetches and the active data updates. Cares need to be taken to assure that larger change count means newer data

Specified by:

getCurrentChangeCount in interface ActiveDataModel

Returns:

The current change count

getActiveDataModel

public abstract ActiveDataModel getActiveDataModel()

returns the ActiveDataModel implementation

Returns:

ActiveDataModel the ActiveDataModel implementation