public List<RangeDimensionRange> partition(
List<RangeDimensionRange> ranges, int num, Collection<Rule> rules, Aggregator aggregator) {
int rangePerOutputRange = (int) (Math.ceil(1.0 * ranges.size() / num));
List<RangeDimensionRange> outputRanges = new ArrayList<RangeDimensionRange>(num);
for (int i = 0; i < ranges.size(); i += rangePerOutputRange) {
RangeDimensionRange dimensionRange = ranges.get(i);
outputRanges.add(
new RangeDimensionRange(
dimensionRange.getStart(),
ranges.get(Math.min(i + rangePerOutputRange, ranges.size()) - 1).getEnd(),
dimensionRange.getInfo()));
}
return outputRanges;
}
