io.gearpump.streaming.task

TaskInterface

trait TaskInterface extends AnyRef

Streaming Task interface

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Known Subclasses
DataSinkTask, DataSourceTask, GroupByTask, PersistentTask, SinkTask, SourceTask, Task, Task, TaskWrapper, TransformTask
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Abstract Value Members

  1. abstract def onNext(msg: Message): Unit

    Method called for each message received.

    Method called for each message received.

    msg

    message send by upstream tasks

  2. abstract def onStart(startTime: StartTime): Unit

    Method called with the task is initialized.

    Method called with the task is initialized.

    startTime

    startTime that can be used to decide from when a source producer task should replay the data source, or from when a processor task should recover its checkpoint data in to in-memory state.

  3. abstract def onStop(): Unit

    Method called when task is under clean up.

    Method called when task is under clean up. This can be used to cleanup resource when the application finished.

Concrete Value Members

  1. final def !=(arg0: AnyRef): Boolean

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  2. final def !=(arg0: Any): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )

  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

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  12. def hashCode(): Int

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  13. final def isInstanceOf[T0]: Boolean

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. def receiveUnManagedMessage: Receive

    handler for unmanaged message

    handler for unmanaged message

    returns

    the handler

  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. final def wait(): Unit

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    @throws( ... )

  21. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )

  22. final def wait(arg0: Long): Unit

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