Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/705#discussion_r134758177
--- Diff:
metron-analytics/metron-profiler-common/src/main/java/org/apache/metron/profiler/DefaultMessageRouter.java
---
@@ -62,21 +68,45 @@ public DefaultMessageRouter(Context context) {
@Override
public List<MessageRoute> route(JSONObject message, ProfilerConfig
config, Context context) {
List<MessageRoute> routes = new ArrayList<>();
- @SuppressWarnings("unchecked")
- final Map<String, Object> state = (Map<String, Object>) message;
// attempt to route the message to each of the profiles
for (ProfileConfig profile: config.getProfiles()) {
+ Optional<MessageRoute> route = routeToProfile(message, profile);
+ route.ifPresent(routes::add);
+ }
+ return routes;
+ }
+
+ /**
+ * Creates a route if a message is needed by a profile.
+ * @param message The message that needs routed.
+ * @param profile The profile that may need the message.
+ * @return A MessageRoute if the message is needed by the profile.
+ */
+ private Optional<MessageRoute> routeToProfile(JSONObject message,
ProfileConfig profile) {
+ Optional<MessageRoute> route = Optional.empty();
+
+ // allow the profile to access the fields defined within the message
+ @SuppressWarnings("unchecked")
+ final Map<String, Object> state = (Map<String, Object>) message;
+
+ try {
// is this message needed by this profile?
if (executor.execute(profile.getOnlyif(), state, Boolean.class)) {
// what is the name of the entity in this message?
String entity = executor.execute(profile.getForeach(), state,
String.class);
- routes.add(new MessageRoute(profile, entity));
+ route = Optional.of(new MessageRoute(profile, entity));
}
+
+ } catch(Exception e) {
--- End diff --
What do you think about catching Throwable there?
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