abstract class WorkerSession extends AutoCloseable
:: Experimental :: Represents one single UDF execution.
A WorkerSession is obtained from WorkerDispatcher#createSession and can carry per-execution state for that UDF invocation. Implementations may add concrete data-processing methods and lifecycle hooks as needed.
A WorkerSession is not 1-to-1 mapped to an actual worker process. Multiple WorkerSessions may be backed by the same worker when the worker is reused. Worker reuse and pooling are managed by each WorkerDispatcher implementation based on the WorkerSpecification.
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- @Experimental()
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- WorkerSession.scala
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- Deprecated
(Since version 9)