org.eclipse.viatra.query.runtime.base.itc.igraph

Interface ITcObserver<V>

All Known Implementing Classes:

CountingListener, TransitiveClosureNode

public interface ITcObserver<V>

Interface ITcObserver is used to observe the changes in a transitive closure relation; tuple insertion/deletion.

Method Summary

Modifier and Type	Method and Description
void	tupleDeleted(V source, V target) Used to notify when a tuple is deleted from the transitive closure relation.
void	tupleInserted(V source, V target) Used to notify when a tuple is inserted into the transitive closure relation.

Method Detail

tupleInserted

void tupleInserted(V source,
                   V target)

Used to notify when a tuple is inserted into the transitive closure relation.

Parameters:

source - the source of the tuple

target - the target of the tuple

tupleDeleted

void tupleDeleted(V source,
                  V target)

Used to notify when a tuple is deleted from the transitive closure relation.

Parameters:

source - the source of the tuple

target - the target of the tuple