private MetricQueryResult executeQuery(MetricQueryRequest queryRequest) throws Exception {
if (queryRequest.getMetrics().size() == 0) {
throw new IllegalArgumentException("Missing metrics parameter in the query");
}
Map<String, String> tagsSliceBy = humanToTagNames(transformTagMap(queryRequest.getTags()));
MetricQueryRequest.TimeRange timeRange = queryRequest.getTimeRange();
MetricDataQuery query =
new MetricDataQuery(
timeRange.getStart(),
timeRange.getEnd(),
timeRange.getResolutionInSeconds(),
timeRange.getCount(),
toMetrics(queryRequest.getMetrics()),
tagsSliceBy,
transformGroupByTags(queryRequest.getGroupBy()),
timeRange.getInterpolate());
Collection<MetricTimeSeries> queryResult = metricStore.query(query);
long endTime = timeRange.getEnd();
if (timeRange.getResolutionInSeconds() == Integer.MAX_VALUE && endTime == 0) {
// for aggregate query, we set the end time to be query time (current time)
endTime = TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis());
}
return decorate(queryResult, timeRange.getStart(), endTime, timeRange.getResolutionInSeconds());
}
