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https://issues.apache.org/jira/browse/BEAM-608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Groh resolved BEAM-608.
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Resolution: Fixed
Fix Version/s: 0.3.0-incubating
https://github.com/apache/incubator-beam/pull/937
> Set EvaluationContext once in the TransformEvaluatorFactory instead of
> forApplication
> -------------------------------------------------------------------------------------
>
> Key: BEAM-608
> URL: https://issues.apache.org/jira/browse/BEAM-608
> Project: Beam
> Issue Type: Improvement
> Components: runner-direct
> Reporter: Thomas Groh
> Assignee: Thomas Groh
> Priority: Minor
> Labels: easyfix
> Fix For: 0.3.0-incubating
>
>
> Remove the EvaluationContext parameter from
> TransformEvaluatorFactory.forApplication() and move it to
> TransformEvaluatorRegistry.defaultRegistry(), and pass it to all of the
> TransformEvaluatorFactories created in that constructor.
> A single EvaluationContext is produced per pipeline run.
> TransformEvaluatorFactories are also produced once per pipeline run, as they
> are stateful (especially with regards to sources). This change will both
> ensure that Evaluators cannot be reused across pipelines, and cleans up the
> signature of the TransformEvaluatorFactory interface.
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