public Result fieldStats(
String q,
String field,
String rangeType,
int relative,
String from,
String to,
String keyword,
String streamId) {
if (q == null || q.isEmpty()) {
q = "*";
}
// Determine timerange type.
TimeRange timerange;
try {
timerange = TimeRange.factory(rangeType, relative, from, to, keyword);
} catch (InvalidRangeParametersException e2) {
return status(
400, views.html.errors.error.render("Invalid range parameters provided.", e2, request()));
} catch (IllegalArgumentException e1) {
return status(
400, views.html.errors.error.render("Invalid range type provided.", e1, request()));
}
String filter = null;
if (streamId != null && !streamId.isEmpty()) {
filter = "streams:" + streamId;
}
try {
UniversalSearch search = searchFactory.queryWithRangeAndFilter(q, timerange, filter);
FieldStatsResponse stats = search.fieldStats(field);
Map<String, Object> result = Maps.newHashMap();
result.put("count", stats.count);
result.put("sum", stats.sum);
result.put("mean", stats.mean);
result.put("min", stats.min);
result.put("max", stats.max);
result.put("variance", stats.variance);
result.put("sum_of_squares", stats.sumOfSquares);
result.put("std_deviation", stats.stdDeviation);
result.put("cardinality", stats.cardinality);
return ok(Json.toJson(result));
} catch (IOException e) {
return internalServerError("io exception");
} catch (APIException e) {
if (e.getHttpCode() == 400) {
// This usually means the field does not have a numeric type. Pass through!
return badRequest();
}
return internalServerError("api exception " + e);
}
}
public Result histogram(
String q,
String rangeType,
int relative,
String from,
String to,
String keyword,
String interval,
String streamId,
int maxDataPoints) {
if (q == null || q.isEmpty()) {
q = "*";
}
// Interval.
if (interval == null
|| interval.isEmpty()
|| !SearchTools.isAllowedDateHistogramInterval(interval)) {
interval = "minute";
}
// Determine timerange type.
TimeRange timerange;
try {
timerange = TimeRange.factory(rangeType, relative, from, to, keyword);
} catch (InvalidRangeParametersException e2) {
return status(
400, views.html.errors.error.render("Invalid range parameters provided.", e2, request()));
} catch (IllegalArgumentException e1) {
return status(
400, views.html.errors.error.render("Invalid range type provided.", e1, request()));
}
String filter = null;
if (streamId != null && !streamId.isEmpty()) {
filter = "streams:" + streamId;
}
try {
UniversalSearch search = searchFactory.queryWithRangeAndFilter(q, timerange, filter);
DateHistogramResult histogram = search.dateHistogram(interval);
List<Map<String, Long>> results =
formatHistogramResults(histogram, maxDataPoints, relative == 0);
Map<String, Object> result = Maps.newHashMap();
AbsoluteRange boundaries = histogram.getHistogramBoundaries();
result.put("time", histogram.getTookMs());
result.put("interval", histogram.getInterval());
result.put("values", results);
result.put("from", boundaries.getFrom());
result.put("to", boundaries.getTo());
return ok(Json.toJson(result));
} catch (IOException e) {
return internalServerError("io exception");
} catch (APIException e) {
if (e.getHttpCode() == 400) {
// This usually means the field does not have a numeric type. Pass through!
return badRequest();
}
return internalServerError("api exception " + e);
}
}