private void parseGroupBy(String context, QueryMetric queryMetric, JsonArray groupBys)
throws QueryException, BeanValidationException {
for (int J = 0; J < groupBys.size(); J++) {
String groupContext = "group_by[" + J + "]";
JsonObject jsGroupBy = groupBys.get(J).getAsJsonObject();
JsonElement nameElement = jsGroupBy.get("name");
if (nameElement == null || nameElement.getAsString().isEmpty())
throw new BeanValidationException(
new SimpleConstraintViolation(groupContext, "must have a name"), context);
String name = nameElement.getAsString();
GroupBy groupBy = m_groupByFactory.createGroupBy(name);
if (groupBy == null)
throw new BeanValidationException(
new SimpleConstraintViolation(groupContext + "." + name, "invalid group_by name"),
context);
deserializeProperties(context + "." + groupContext, jsGroupBy, name, groupBy);
validateObject(groupBy, context + "." + groupContext);
groupBy.setStartDate(queryMetric.getStartTime());
queryMetric.addGroupBy(groupBy);
}
}
private void parseAggregators(
String context, QueryMetric queryMetric, JsonArray aggregators, DateTimeZone timeZone)
throws QueryException, BeanValidationException {
for (int J = 0; J < aggregators.size(); J++) {
JsonObject jsAggregator = aggregators.get(J).getAsJsonObject();
JsonElement name = jsAggregator.get("name");
if (name == null || name.getAsString().isEmpty())
throw new BeanValidationException(
new SimpleConstraintViolation("aggregators[" + J + "]", "must have a name"), context);
String aggContext = context + ".aggregators[" + J + "]";
String aggName = name.getAsString();
Aggregator aggregator = m_aggregatorFactory.createAggregator(aggName);
if (aggregator == null)
throw new BeanValidationException(
new SimpleConstraintViolation(aggName, "invalid aggregator name"), aggContext);
// If it is a range aggregator we will default the start time to
// the start of the query.
if (aggregator instanceof RangeAggregator) {
RangeAggregator ra = (RangeAggregator) aggregator;
ra.setStartTime(queryMetric.getStartTime());
}
if (aggregator instanceof TimezoneAware) {
TimezoneAware ta = (TimezoneAware) aggregator;
ta.setTimeZone(timeZone);
}
if (aggregator instanceof GroupByAware) {
GroupByAware groupByAware = (GroupByAware) aggregator;
groupByAware.setGroupBys(queryMetric.getGroupBys());
}
deserializeProperties(aggContext, jsAggregator, aggName, aggregator);
validateObject(aggregator, aggContext);
queryMetric.addAggregator(aggregator);
}
}