com.twitter.summingbird.batch.state

CheckpointState

trait CheckpointState[T] extends WaitingState[Interval[Timestamp]]

State machine for checkpoint states. It creates the requested time interval by asking

CheckpointStore for startBatch and endBatch. After flow planner minifies the time interval(by checking data available), it decides to accept the interval by making sure there is no hole in between the start time of the interval and the end time of previous batch run.

It requires a CheckpointStore to be provided

Source
CheckpointState.scala
Linear Supertypes
WaitingState[Interval[Timestamp]], AnyRef, Any
Known Subclasses
HDFSState
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Abstract Value Members

  1. abstract def checkpointStore: CheckpointStore[T]

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 begin: PrepareState[Interval[Timestamp]]

    Definition Classes
    CheckpointState → WaitingState

  8. def clone(): AnyRef

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

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  11. def finalize(): Unit

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

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  14. final def isInstanceOf[T0]: Boolean

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

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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

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

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Inherited from WaitingState[Interval[Timestamp]]

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