object Pregel extends Serializable

Constants and utilities for the Pregel algorithm.

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  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. val ACTIVE_FLAG_COL: String

    A constant column name for active vertex flag.

  5. val MSG_COL_NAME: String

    A constant column name for generated and aggregated messages.

    A constant column name for generated and aggregated messages.

    The vertices DataFrame must not contain this column.

  6. final def asInstanceOf[T0]: T0
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  7. def clone(): AnyRef
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    protected[lang]
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    @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
  8. def dst(colName: String): Column

    References a destination vertex column in generating messages to send.

    References a destination vertex column in generating messages to send.

    colName

    the vertex column name.

    See also

    Pregel.sendMsgToSrc and Pregel.sendMsgToDst

  9. def edge(colName: String): Column

    References an edge column in generating messages to send.

    References an edge column in generating messages to send.

    colName

    the edge column name.

    See also

    Pregel.sendMsgToSrc and Pregel.sendMsgToDst

  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: AnyRef): Boolean
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  12. final def getClass(): Class[_ <: AnyRef]
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  13. def hashCode(): Int
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  14. final def isInstanceOf[T0]: Boolean
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  15. val msg: Column

    References the message column in aggregating messages and updating additional vertex columns.

    References the message column in aggregating messages and updating additional vertex columns.

    See also

    Pregel.aggMsgs and Pregel.withVertexColumn

  16. final def ne(arg0: AnyRef): Boolean
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  17. final def notify(): Unit
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    @IntrinsicCandidate() @native()
  18. final def notifyAll(): Unit
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  19. def src(colName: String): Column

    References a source vertex column in generating messages to send.

    References a source vertex column in generating messages to send.

    colName

    the vertex column name.

    See also

    Pregel.sendMsgToSrc and Pregel.sendMsgToDst

  20. final def synchronized[T0](arg0: => T0): T0
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  21. def toString(): String
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  22. final def wait(arg0: Long, arg1: Int): Unit
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    @throws(classOf[java.lang.InterruptedException])
  23. final def wait(arg0: Long): Unit
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  24. final def wait(): Unit
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Deprecated Value Members

  1. def finalize(): Unit
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    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

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