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https://issues.apache.org/jira/browse/METRON-1568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16483923#comment-16483923
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ASF GitHub Bot commented on METRON-1568:
----------------------------------------
Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/1021#discussion_r189895905
--- Diff:
metron-platform/metron-common/src/main/java/org/apache/metron/common/configuration/enrichment/handler/StellarConfig.java
---
@@ -142,8 +143,14 @@ else if(kv.getValue() instanceof List) {
{
--- End diff --
If you are using a `_`, then you cannot make a judgement about which fields
you're using, so you have to include all fields. If you aren't, then you can
make some decision and only want to send the fields required to the adapter.
That's the basis for the either/or situation.
> Stellar should have a _ special variable which returns the message in map form
> ------------------------------------------------------------------------------
>
> Key: METRON-1568
> URL: https://issues.apache.org/jira/browse/METRON-1568
> Project: Metron
> Issue Type: Improvement
> Reporter: Casey Stella
> Priority: Major
>
> In order to support functions which operate on the whole message, we should
> have a special variable (_, keeping with the vaguely scala theme) which can
> return the entire underlying message. This map should be immutable.
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