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class VertexWriter extends AnyRef

Writer for vertex DataFrame.

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Instance Constructors

  1. new VertexWriter(prefix: String, vertexInfo: VertexInfo, vertexDf: DataFrame, numVertices: Long = -1)

    create a new writer for vertex DataFrame with vertex info.

    create a new writer for vertex DataFrame with vertex info.

    prefix

    the absolute prefix.

    vertexInfo

    the vertex info that describes the vertex type.

    vertexDf

    the input vertex DataFrame.

    numVertices

    the number of vertices, if negative value is passed, then vertexDF.count will be used

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  1. final def !=(arg0: Any): Boolean
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_]
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  10. def getVertexNum(): Long
  11. def hashCode(): Int
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  18. final def wait(arg0: Long, arg1: Int): Unit
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  20. final def wait(): Unit
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  21. def writeVertexProperties(): Unit

    Generate chunks of all property groups for vertex DataFrame.

  22. def writeVertexProperties(propertyGroup: PropertyGroup): Unit

    Generate chunks of the property group for vertex DataFrame.

    Generate chunks of the property group for vertex DataFrame.

    propertyGroup

    property group

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