javeme commented on code in PR #2281:
URL:
https://github.com/apache/incubator-hugegraph/pull/2281#discussion_r1297170036
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hugegraph-core/src/main/java/org/apache/hugegraph/traversal/algorithm/CountTraverser.java:
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@@ -78,19 +78,28 @@ public long count(Id source, List<EdgeStep> steps,
});
}
- // The last step, just query count
- EdgeStep lastStep = steps.get(stepNum - 1);
- while (edges.hasNext()) {
- Id target = ((HugeEdge) edges.next()).id().otherVertexId();
- if (this.dedup(target)) {
- continue;
+ try {
+ // The last step, just query count
+ EdgeStep lastStep = steps.get(stepNum - 1);
+ while (edges.hasNext()) {
+ Id target = ((HugeEdge) edges.next()).id().otherVertexId();
+ if (this.dedup(target)) {
+ continue;
+ }
+ // Count last layer vertices(without dedup size)
+ long edgesCount = this.edgesCount(target, lastStep);
+ this.count.add(edgesCount);
}
- // Count last layer vertices(without dedup size)
- long edgesCount = this.edgesCount(target, lastStep);
- this.count.add(edgesCount);
- }
- return this.count.longValue();
+ return this.count.longValue();
+ } finally {
+ if (edges instanceof FlatMapperIterator) {
Review Comment:
we prefer to not ignore exceptions of closeIterator, at least log.warn() it.
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