@Override
public AbstractInternalHDRPercentiles doReduce(
List<InternalAggregation> aggregations, ReduceContext reduceContext) {
DoubleHistogram merged = null;
for (InternalAggregation aggregation : aggregations) {
final AbstractInternalHDRPercentiles percentiles =
(AbstractInternalHDRPercentiles) aggregation;
if (merged == null) {
merged = new DoubleHistogram(percentiles.state);
merged.setAutoResize(true);
}
merged.add(percentiles.state);
}
return createReduced(getName(), keys, merged, keyed, pipelineAggregators(), getMetaData());
}
