andreachild commented on code in PR #3247:
URL: https://github.com/apache/tinkerpop/pull/3247#discussion_r2450145510
##########
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/branch/RepeatStep.java:
##########
@@ -206,25 +210,40 @@ protected Iterator<Traverser.Admin<S>>
standardAlgorithm() throws NoSuchElementE
throw new IllegalStateException("The repeat()-traversal was not
defined: " + this);
while (true) {
- if (this.repeatTraversal.getEndStep().hasNext()) {
+ if (!first && this.repeatTraversal.getEndStep().hasNext()) {
return this.repeatTraversal.getEndStep();
} else {
- final Traverser.Admin<S> start = this.starts.next();
- start.initialiseLoops(this.getId(), this.loopName);
- if (doUntil(start, true)) {
- start.resetLoops();
- return IteratorUtils.of(start);
- }
- this.repeatTraversal.addStart(start);
- if (doEmit(start, true)) {
- final Traverser.Admin<S> emitSplit = start.split();
- emitSplit.resetLoops();
- return IteratorUtils.of(emitSplit);
+ this.first = false;
+ if
(!TraversalHelper.getStepsOfAssignableClassRecursively(Barrier.class,
repeatTraversal).isEmpty()) {
Review Comment:
Would it be better to use `TraversalHelper.
hasStepOfAssignableClassRecursively` so that it returns when a Barrier is first
encountered instead of going through the entire traversal tree?
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