org.eclipse.viatra.query.runtime.base.api

Interface EMFBaseIndexChangeListener

public interface EMFBaseIndexChangeListener

Listener interface for change notifications from the VIATRA Base index.

Method Summary

Modifier and Type	Method and Description
void	notifyChanged(boolean indexChanged) Called after a model change is handled by the VIATRA Base index and if indexChanged == onlyOnIndexChange().
boolean	onlyOnIndexChange() NOTE: it is possible that this method is called only ONCE! Consider returning a constant value that is set in the constructor.

Method Detail

onlyOnIndexChange

boolean onlyOnIndexChange()

NOTE: it is possible that this method is called only ONCE! Consider returning a constant value that is set in the constructor.

Returns:

true, if the listener should be notified only after index changes, false if notification is needed after each model change

notifyChanged

void notifyChanged(boolean indexChanged)

Called after a model change is handled by the VIATRA Base index and if indexChanged == onlyOnIndexChange().

Parameters:

indexChanged - true, if the model change also affected the contents of the base index