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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (STREAMS-288) StreamsJacksonModule should not scan for DateTimeFormats by default
Date Tue, 17 Feb 2015 20:37:12 GMT

    [ https://issues.apache.org/jira/browse/STREAMS-288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14324844#comment-14324844
] 

ASF GitHub Bot commented on STREAMS-288:
----------------------------------------

Github user steveblackmon commented on the pull request:

    https://github.com/apache/incubator-streams/pull/187#issuecomment-74748109
  
    fair point.  i'll happily merge a PR that protects the constructor and refactors project
source and tests to use the singleton.


> StreamsJacksonModule should not scan for DateTimeFormats by default
> -------------------------------------------------------------------
>
>                 Key: STREAMS-288
>                 URL: https://issues.apache.org/jira/browse/STREAMS-288
>             Project: Streams
>          Issue Type: Bug
>            Reporter: Robert Douglas
>
> The StreamsJacksonModule's constructor is called all over the codebase and by default,
it uses Reflections to scan the classpath for valid DateTimeFormats.
> This is problematic because it will happen multiple times during a Stream's runtime,
considerably slowing down the execution.
> Instead, we should default to NOT scanning the classpath, but provide a constructor where
we can pass in a flag dictating whether or not we want to scan.



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