/**
* Returns the JSON string built by the builder. This is the JSON that can be used by the client
* add metrics.
*
* @return JSON
* @throws IOException if metrics cannot be converted to JSON
*/
public String build() throws IOException {
for (Metric metric : metrics) {
// verify that there is at least one tag for each metric
checkState(metric.getTags().size() > 0, metric.getName() + " must contain at least one tag.");
}
return mapper.toJson(metrics);
}
private List<QueryMetric> parseQueryMetric(JsonObject obj, String contextPrefix)
throws QueryException, BeanValidationException {
List<QueryMetric> ret = new ArrayList<QueryMetric>();
Query query;
try {
query = m_gson.fromJson(obj, Query.class);
validateObject(query);
} catch (ContextualJsonSyntaxException e) {
throw new BeanValidationException(
new SimpleConstraintViolation(e.getContext(), e.getMessage()), "query");
}
JsonArray metricsArray = obj.getAsJsonArray("metrics");
if (metricsArray == null) {
throw new BeanValidationException(
new SimpleConstraintViolation("metric[]", "must have a size of at least 1"),
contextPrefix + "query");
}
for (int I = 0; I < metricsArray.size(); I++) {
String context =
(!contextPrefix.isEmpty() ? contextPrefix + "." : contextPrefix)
+ "query.metric["
+ I
+ "]";
try {
Metric metric = m_gson.fromJson(metricsArray.get(I), Metric.class);
validateObject(metric, context);
long startTime = getStartTime(query, context);
QueryMetric queryMetric =
new QueryMetric(startTime, query.getCacheTime(), metric.getName());
queryMetric.setExcludeTags(metric.isExcludeTags());
queryMetric.setLimit(metric.getLimit());
long endTime = getEndTime(query);
if (endTime > -1) queryMetric.setEndTime(endTime);
if (queryMetric.getEndTime() < startTime)
throw new BeanValidationException(
new SimpleConstraintViolation("end_time", "must be greater than the start time"),
context);
queryMetric.setCacheString(query.getCacheString() + metric.getCacheString());
JsonObject jsMetric = metricsArray.get(I).getAsJsonObject();
JsonElement group_by = jsMetric.get("group_by");
if (group_by != null) {
JsonArray groupBys = group_by.getAsJsonArray();
parseGroupBy(context, queryMetric, groupBys);
}
JsonElement aggregators = jsMetric.get("aggregators");
if (aggregators != null) {
JsonArray asJsonArray = aggregators.getAsJsonArray();
if (asJsonArray.size() > 0)
parseAggregators(context, queryMetric, asJsonArray, query.getTimeZone());
}
JsonElement plugins = jsMetric.get("plugins");
if (plugins != null) {
JsonArray pluginArray = plugins.getAsJsonArray();
if (pluginArray.size() > 0) parsePlugins(context, queryMetric, pluginArray);
}
JsonElement order = jsMetric.get("order");
if (order != null) queryMetric.setOrder(Order.fromString(order.getAsString(), context));
queryMetric.setTags(metric.getTags());
ret.add(queryMetric);
} catch (ContextualJsonSyntaxException e) {
throw new BeanValidationException(
new SimpleConstraintViolation(e.getContext(), e.getMessage()), context);
}
}
return (ret);
}
@Override
@Secured
public Metric addMetric(Test test, Metric metric) throws ServiceException {
Test freshTest = testDAO.get(test.getId());
if (freshTest.getMetrics() == null) {
freshTest.setMetrics(new ArrayList<>());
}
if (metric.getId() != null) {
// associating an existing metric with the test
Metric freshMetric = metricDAO.get(metric.getId());
if (freshMetric == null) {
throw new ServiceException("serviceException.metricNotFound", metric.getName().toString());
}
if (freshMetric.getTests() == null) {
freshMetric.setTests(new ArrayList<>());
}
for (Test testForMetric : freshMetric.getTests()) {
if (!testForMetric.getGroupId().equals(freshTest.getGroupId())) {
throw new ServiceException("serviceException.metricSharingOnlyInGroup");
}
if (testForMetric.getId().equals(freshTest.getId())) {
throw new ServiceException(
"serviceException.metricAlreadyExists", freshTest.getUid(), freshMetric.getName());
}
}
freshMetric.getTests().add(freshTest);
freshTest.getMetrics().add(freshMetric);
freshMetric = metricDAO.update(freshMetric);
testDAO.update(freshTest);
return freshMetric;
} else {
// creating a new metric object
if (metric.getName() == null) {
throw new IllegalArgumentException("Metric name is mandatory");
}
// metric name needs to be unique in the metric space of a certain groupId
// does it exist in a test with same group id (including the target test) ?
List<Metric> existingMetricsForGroup =
metricDAO.getMetricByNameAndGroup(metric.getName(), freshTest.getGroupId());
for (Metric existingMetric : existingMetricsForGroup) {
if (existingMetric.getName().equals(metric.getName())) {
Metric freshMetric = metricDAO.get(existingMetric.getId());
if (freshMetric.getTests().stream().anyMatch(t -> t.getId().equals(freshTest.getId()))) {
throw new ServiceException(
"serviceException.metricAlreadyExists", freshTest.getUid(), freshMetric.getName());
}
}
}
metric.setTests(Arrays.asList(freshTest));
Metric freshMetric = metricDAO.create(metric);
freshTest.getMetrics().add(freshMetric);
testDAO.update(freshTest);
return freshMetric;
}
}
