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https://issues.apache.org/jira/browse/TWILL-240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16113320#comment-16113320
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ASF GitHub Bot commented on TWILL-240:
--------------------------------------
Github user maochf commented on a diff in the pull request:
https://github.com/apache/twill/pull/58#discussion_r131234842
--- Diff: twill-api/src/main/java/org/apache/twill/api/EventHandler.java ---
@@ -124,6 +124,75 @@ public void initialize(EventHandlerContext context) {
}
/**
+ * Invoked by the application when it starts.
+ *
+ * @param twillAppName name of the current application
+ * @param runId run ID of current application run
+ */
+ public void started(String twillAppName, RunId runId) {
--- End diff --
the `EventHandlerContext` just contains a `EventHandlerSpecification`, and
it doesn't seem to guarantee app name and runid are there?
> Improve EventHandler to handle more application lifecycle events
> ----------------------------------------------------------------
>
> Key: TWILL-240
> URL: https://issues.apache.org/jira/browse/TWILL-240
> Project: Apache Twill
> Issue Type: New Feature
> Reporter: Chengfeng Mao
> Assignee: Chengfeng Mao
>
> Application Master should be able to run application specific code when
> certain lifecycle events happen by calling methods from EventHandler. For
> instance, when the app first starts, completes, aborts and etc.
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