/**
* gets the requested values from the Has step. If it's a single value, wrap it in an array,
* otherwise return the array
*/
private Optional<Pair<String, Iterator<Object>>> getValuePair(HasContainer c) {
Iterator<Object> values;
if (c.getPredicate().getBiPredicate() == Contains.within)
values = ((Iterable<Object>) c.getValue()).iterator();
else values = IteratorUtils.of(c.getValue());
return Optional.of(new Pair<>(c.getKey(), values));
}
private Predicates getPredicates(Step step, Traversal.Admin traversal) {
Predicates predicates = new Predicates();
Step<?, ?> nextStep = step.getNextStep();
while (true) {
if (nextStep instanceof HasContainerHolder) {
HasContainerHolder hasContainerHolder = (HasContainerHolder) nextStep;
boolean skip = false;
for (HasContainer has : hasContainerHolder.getHasContainers())
if (has.getPredicate().getTraversals().size() > 0) skip = true;
if (!skip) {
hasContainerHolder.getHasContainers().forEach((has) -> predicates.hasContainers.add(has));
nextStep.getLabels().forEach(label -> predicates.labels.add(label.toString()));
traversal.removeStep(nextStep);
}
} else if (nextStep instanceof RangeGlobalStep) {
RangeGlobalStep rangeGlobalStep = (RangeGlobalStep) nextStep;
predicates.limitLow = rangeGlobalStep.getLowRange();
predicates.limitHigh = rangeGlobalStep.getHighRange();
traversal.removeStep(nextStep);
} else return predicates;
nextStep = nextStep.getNextStep();
}
}