Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/621#discussion_r123512057
--- Diff:
metron-platform/metron-parsers/src/main/java/org/apache/metron/parsers/bolt/ParserBolt.java
---
@@ -118,6 +116,27 @@ protected void initializeStellar() {
StellarFunctions.initialize(stellarContext);
}
+ private Map<String, Object> getMetadata(Tuple t, boolean readMetadata) {
+ Map<String, Object> ret = new HashMap<>();
+ if(!readMetadata) {
+ return ret;
+ }
+
ret.put(SimpleStormKafkaBuilder.FieldsConfiguration.TOPIC.getFieldName(),
t.getString(2));
--- End diff --
The contract is that the value is the first element in the tuple, the key
the 2nd element in the tuple and any metadata from the environment passed in
after that.
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