The Environment gives the code executed in a task access to the task's properties (such as name, parallelism), the configurations, the data stream readers and writers, as well as the various components that are provided by the TaskManager, such as memory manager, I/O manager, ...
An enumeration of all states that a task can be in during its execution.
Thrown to trigger a canceling of the executing task.
Exception thrown in order to suppress job restarts.
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