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https://issues.apache.org/jira/browse/APEXCORE-497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392152#comment-15392152
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Sandesh commented on APEXCORE-497:
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After reviewing the code and seeing that it is possible to implement it
cleanly, this jira has been filed. I believe it cleanly separates the delay
operator code from the regular path, which is majority of our use case. At
least few people liked it, so I am documenting the idea.
> Create a DelayNode for DelayOperator
> ------------------------------------
>
> Key: APEXCORE-497
> URL: https://issues.apache.org/jira/browse/APEXCORE-497
> Project: Apache Apex Core
> Issue Type: Improvement
> Reporter: Sandesh
>
> One of the design elements I have seen in Apex is, while deploying only
> required objects are deployed. For example Stream persistence reservoir was
> created only when it is required. So in the same spirit, we can have the
> DelayNode for Delay Operators.
> Delay Operator related changes happen for the control tuples in GenericNode.
> Implementation Idea:
> 1. Create functions for handling each control tuples in Generic Node
> 2. DelayNode extends GenericNode
> 3. Overrides the required functions created in step 1.
> 4. During deployment based on the operator type, create the required Node.
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