eventstore.pipeline

PipelineStage

abstract class PipelineStage[Context <: PipelineContext, CmdAbove, CmdBelow, EvtAbove, EvtBelow] extends AnyRef

A pipeline stage which can be combined with other stages to build a protocol stack. The main function of this class is to serve as a factory for the actual PipePair generated by the #apply method so that a context object can be passed in.

Self Type
PipelineStage[Context, CmdAbove, CmdBelow, EvtAbove, EvtBelow]
See also

PipelineFactory

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Instance Constructors

  1. new PipelineStage()

Abstract Value Members

  1. abstract def apply(ctx: Context): PipePair[CmdAbove, CmdBelow, EvtAbove, EvtBelow]

    Implement this method to generate this stage’s pair of command and event functions.

    Implement this method to generate this stage’s pair of command and event functions.

    INTERNAL API: do not use this method to instantiate a pipeline!

    Attributes
    protected[eventstore.pipeline]
    See also

    AbstractSymmetricPipePair

    AbstractPipePair

    PipelineFactory

Concrete Value Members

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

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  2. final def ##(): Int

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

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  4. def >>[CmdBelowBelow, EvtBelowBelow, BelowContext <: Context](right: PipelineStage[_ >: BelowContext, CmdBelow, CmdBelowBelow, EvtBelow, EvtBelowBelow]): PipelineStage[BelowContext, CmdAbove, CmdBelowBelow, EvtAbove, EvtBelowBelow]

    Scala API: attach the two given stages such that the command output of the first is fed into the command input of the second, and the event output of the second is fed into the event input of the first.

    Scala API: attach the two given stages such that the command output of the first is fed into the command input of the second, and the event output of the second is fed into the event input of the first. In other words: sequence the stages such that the left one is on top of the right one.

    right

    the right or lower pipeline stage

    returns

    a pipeline stage representing the sequence of the two stages

  5. final def asInstanceOf[T0]: T0

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  21. def |[RightContext <: Context](right: PipelineStage[_ >: RightContext, CmdAbove, CmdBelow, EvtAbove, EvtBelow]): PipelineStage[RightContext, CmdAbove, CmdBelow, EvtAbove, EvtBelow]

    Scala API: combine the two stages such that the command pipeline of the left stage is used and the event pipeline of the right, discarding the other two sub-pipelines.

    Scala API: combine the two stages such that the command pipeline of the left stage is used and the event pipeline of the right, discarding the other two sub-pipelines.

    right

    the event pipeline

    returns

    a pipeline stage using the left command pipeline and the right event pipeline

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