trait Killable extends AnyRef
killable objects have a list of kill button any of which can be pressed to abort processing
objects working with killable objects must regularly check the state of the kill button and abort gracefully if pressed
multiple killable objects can share the same kill button; when creating a new killable object, it is often necessary to pass along an existing kill button
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- CancellableTask.scala
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def
diesWith(implicit that: Killable): Killable.this.type
gives a killable object the same kill button as one that is already around
gives a killable object the same kill button as one that is already around
For example, when processing a task, generates a subtask, this should be called on the subtask to ensure killing the overall task also kills the subtask.
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isKilled: Boolean
processing should be aborted gracefully if true
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def
kill: Unit
signals aborting of processing
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def
setTimeout[A](millisec: Int)(f: () ⇒ Unit): Killable.this.type
presses the kill button after the specified number of milli seconds
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