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From "Richard Eckart de Castilho (Jira)" <...@uima.apache.org>
Subject [jira] [Assigned] (UIMA-6200) Constructing aggregate engines is slow
Date Thu, 09 Apr 2020 14:41:00 GMT

     [ https://issues.apache.org/jira/browse/UIMA-6200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Richard Eckart de Castilho reassigned UIMA-6200:
------------------------------------------------

    Assignee: Richard Eckart de Castilho

> Constructing aggregate engines is slow
> --------------------------------------
>
>                 Key: UIMA-6200
>                 URL: https://issues.apache.org/jira/browse/UIMA-6200
>             Project: UIMA
>          Issue Type: Bug
>          Components: Core Java Framework
>            Reporter: Richard Eckart de Castilho
>            Assignee: Richard Eckart de Castilho
>            Priority: Minor
>             Fix For: 2.10.5SDK
>
>         Attachments: Screenshot 2020-03-15 at 18.52.48.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Creating an aggregate engine is slow because every time a default fixed flow descriptor
is loaded from the classpath as XML and parsed.
> *FixedFlowController*
> {code}
>   public static FlowControllerDescription getDescription() {
>     URL descUrl = FixedFlowController.class
>             .getResource("/org/apache/uima/flow/FixedFlowController.xml");
>     FlowControllerDescription desc;
>     try {
>       desc = (FlowControllerDescription) UIMAFramework.getXMLParser().parse(
>               new XMLInputSource(descUrl));
>     } catch (InvalidXMLException e) {
>       throw new UIMARuntimeException(e);
>     } catch (IOException e) {
>       throw new UIMARuntimeException(e);
>     }
>     return desc;
>   }
> {code}
> IMHO, this should be loaded once and then cached permanently - or be constructed completely
programmatically (also once!) and never loaded at all.
>  !Screenshot 2020-03-15 at 18.52.48.png! 



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