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https://issues.apache.org/jira/browse/MINIFI-117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15608784#comment-15608784
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ASF GitHub Bot commented on MINIFI-117:
---------------------------------------
Github user brosander commented on a diff in the pull request:
https://github.com/apache/nifi-minifi/pull/45#discussion_r85150769
--- Diff:
minifi-commons/minifi-commons-schema/src/main/java/org/apache/nifi/minifi/commons/schema/serialization/SchemaLoader.java
---
@@ -30,13 +32,13 @@
import java.util.stream.Collectors;
public class SchemaLoader {
--- End diff --
@JPercivall it would be pretty straightforward to filter null or empty
values from that printout which is the only place that map is enumerated.
> Maintainable Configuration Versioning
> -------------------------------------
>
> Key: MINIFI-117
> URL: https://issues.apache.org/jira/browse/MINIFI-117
> Project: Apache NiFi MiNiFi
> Issue Type: Bug
> Reporter: Bryan Rosander
> Assignee: Bryan Rosander
>
> In order to avoid a tangled web of if/else statements around every possible
> permutation of config.yml and an equally complicated validation routine, we
> need to utilize a versioning strategy that allows for specific parsing and
> validation code for each version of the ConfigSchema.
> This will allow us to determine if a schema will be compatible with an older
> MiNiFi instance more easily by validating the structure of the file at a
> given version while still supporting an upconvert on read to the latest
> ConfigSchema while parsing at runtime.
> It should also facilitate a deprecation strategy of removing older versions'
> classes without needing to touch current implementation
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