y.util
Class DataProviders.DataProviderOverlayManager

java.lang.Object
  y.util.DataProviders.DataProviderOverlayManager

Enclosing class:

DataProviders

public static class DataProviders.DataProviderOverlayManager
extends Object

This helper class can be used to overlay DataProviders registered at a graph with another DataProvider.

Constructor Summary

DataProviders.DataProviderOverlayManager(Graph graph)
Creates a data provider overlay for the given graph instance.

Method Summary

void	addDataProvider(Object dataProviderKey, DataProvider newDataProvider) Adds the given DataProvider under the given key to the graph.
void	restoreOriginalDataProviders() Restores all DataProvider bindings that have been changed using {addDataProvider(Object, DataProvider).

Methods inherited from class java.lang.Object

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

Constructor Detail

DataProviders.DataProviderOverlayManager

public DataProviders.DataProviderOverlayManager(Graph graph)

Creates a data provider overlay for the given graph instance.

Method Detail

addDataProvider

public void addDataProvider(Object dataProviderKey,
                            DataProvider newDataProvider)

Adds the given DataProvider under the given key to the graph. Stores the previously set DataProvider instance so it can be restored at a later time using method {restoreOriginalDataProviders().

restoreOriginalDataProviders

public void restoreOriginalDataProviders()

Restores all DataProvider bindings that have been changed using {addDataProvider(Object, DataProvider). Calling this method resets the state its state.