Thomas Groh created BEAM-608:
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Summary: 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
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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