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https://issues.apache.org/jira/browse/PROTON-964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14653510#comment-14653510
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ASF GitHub Bot commented on PROTON-964:
---------------------------------------
Github user gemmellr commented on a diff in the pull request:
https://github.com/apache/qpid-proton/pull/48#discussion_r36179723
--- Diff: proton-j/src/main/java/org/apache/qpid/proton/engine/Event.java
---
@@ -80,15 +83,46 @@
SELECTABLE_WRITABLE,
SELECTABLE_EXPIRED,
SELECTABLE_ERROR,
- SELECTABLE_FINAL
+ SELECTABLE_FINAL,
+
+ /**
+ * This value must never be used to generate an event, it's only
used as
+ * a guard when casting custom EventTypes to builtin {@link Type}
via
+ * {@link Event#getBuiltinType()}.
+ */
+ NOT_A_BUILTIN_TYPE;
--- End diff --
That would also work yep.
(I dislike needing to have it at all, but I can see why its there)
> Proton-J extensible event types
> -------------------------------
>
> Key: PROTON-964
> URL: https://issues.apache.org/jira/browse/PROTON-964
> Project: Qpid Proton
> Issue Type: Improvement
> Components: proton-j
> Affects Versions: 0.10
> Reporter: Bozo Dragojevic
> Assignee: Bozo Dragojevic
> Fix For: 0.11
>
>
> Event.Type is an enum which makes it impossible to extend.
> Introduce a separate interface EventType and make Event.Type implement it.
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