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.
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Method Summary
Modifier and TypeMethodDescriptionvoid
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.
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Method Details
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tupleInserted
Used to notify when a tuple is inserted into the transitive closure relation.- Parameters:
source
- the source of the tupletarget
- the target of the tuple
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tupleDeleted
Used to notify when a tuple is deleted from the transitive closure relation.- Parameters:
source
- the source of the tupletarget
- the target of the tuple
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