private static void addTimeHorizons(JsonNode document, ExternalConfigurationModel model)
throws Exception {
JsonNode node = StreamAggregatorUtils.readJsonValue(document, "timeHorizons");
if (node != null) {
Iterator<JsonNode> timeHorizonValues = node.elements();
while (timeHorizonValues.hasNext()) {
String t = timeHorizonValues.next().asText();
String timeHorizonName = null;
int granularity = -1;
// process parameterised time horizons
if (t.contains("MINUTES_GROUPED")) {
String[] items = t.split("\\(");
timeHorizonName = items[0];
granularity = Integer.parseInt(items[1].replaceAll("\\)", ""));
} else {
timeHorizonName = t;
}
try {
TimeHorizon th = TimeHorizon.valueOf(timeHorizonName);
if (th.equals(TimeHorizon.MINUTES_GROUPED) && granularity == -1) {
throw new InvalidConfigurationException(
"Unable to create Grouped Minutes Time Horizon without configuration of Granularity using notation MINUTES_GROUPED(<granularity in minutes>)");
} else {
if (th.equals(TimeHorizon.MINUTES_GROUPED)) {
th.setGranularity(granularity);
}
}
model.addTimeHorizon(th);
} catch (Exception e) {
throw new Exception(String.format("Unable to configure Time Horizon %s", t), e);
}
}
}
}
