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public interface GraphStatisticsHandler
A graph's StatisticsHandler offers access to some statistics about that graph's contents that might be useful for optimisation.
| Method Summary | |
|---|---|
long |
getStatistic(Node S,
Node P,
Node O)
Answer a good estimate of the number of triples that would match the pattern (S, P, O), or -1 if no good estimate is available. |
| Method Detail |
|---|
long getStatistic(Node S,
Node P,
Node O)
(S, P, O), or -1 if no good estimate is available.
The estimate is good until the graph is updated.
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