Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/621#discussion_r123513984
--- Diff:
metron-platform/metron-parsers/src/main/java/org/apache/metron/parsers/bolt/ParserBolt.java
---
@@ -129,18 +148,29 @@ public void execute(Tuple tuple) {
boolean ackTuple = !writer.handleAck();
int numWritten = 0;
if(sensorParserConfig != null) {
+ Map<String, Object> metadata = getMetadata(tuple,
sensorParserConfig.readMetadata());
List<FieldValidator> fieldValidations =
getConfigurations().getFieldValidations();
Optional<List<JSONObject>> messages =
parser.parseOptional(originalMessage);
for (JSONObject message :
messages.orElse(Collections.emptyList())) {
message.put(Constants.SENSOR_TYPE, getSensorType());
--- End diff --
If you merge it with the message or selectively expose them as stellar
transformations, then they will be. It does not have to be merged. By
default, merging is turned off and things work just as before.
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