org.eclipse.viatra.query.runtime.api

Interface IMatchUpdateListener<Match extends IPatternMatch>

All Known Implementing Classes:

ConditionalTransformationBreakpointHandler, MatchUpdateAdapter

public interface IMatchUpdateListener<Match extends IPatternMatch>

An interface for low-level notifications about match appearance and disappearance.

See ViatraQueryMatcher#addCallbackOnMatchUpdate(IMatchUpdateListener, boolean) for usage. Clients should consider using MatchUpdateAdapter or deriving their implementation from it.

Method Summary

Modifier and Type	Method and Description
void	notifyAppearance(Match match) Will be invoked on each new match that appears.
void	notifyDisappearance(Match match) Will be invoked on each existing match that disappears.

Method Detail

notifyAppearance

void notifyAppearance(Match match)

Will be invoked on each new match that appears.

Parameters:

match - the match that has just appeared.

notifyDisappearance

void notifyDisappearance(Match match)

Will be invoked on each existing match that disappears.

Parameters:

match - the match that has just disappeared.