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https://issues.apache.org/jira/browse/APEXMALHAR-2069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263307#comment-15263307
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Vlad Rozov commented on APEXMALHAR-2069:
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Operators may be instantiated during populateDAG() call and this is when their
constructors are called. There is no need to instantiate scanService at this
time. The same applies to many other fields that are used only when operators
are deployed into containers.
> FileSplitterInput and TimeBasedDirectoryScanner - move operational fields
> initialization from constructor to setup
> ------------------------------------------------------------------------------------------------------------------
>
> Key: APEXMALHAR-2069
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2069
> Project: Apache Apex Malhar
> Issue Type: Improvement
> Reporter: Vlad Rozov
>
> For example, there is no need for scanService to be initialized in the
> constructor. It should be done during operator setup().
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