vertex should be inactive if no vertices scatter to it
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@ -89,9 +89,9 @@ object GraphLab {
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}
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// Used to set the active status of vertices for the next round
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def applyActive(vid: Vid, data: (Boolean, VD), newActive: Boolean): (Boolean, VD) = {
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def applyActive(vid: Vid, data: (Boolean, VD), newActiveOpt: Option[Boolean]): (Boolean, VD) = {
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val (prevActive, vData) = data
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(newActive, vData)
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(newActiveOpt.getOrElse(false), vData)
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}
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// Main Loop ---------------------------------------------------------------------
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@ -113,7 +113,7 @@ object GraphLab {
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val scattered: RDD[(Vid, Boolean)] =
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activeGraph.aggregateNeighbors(scatter, _ || _, scatterDirection.reverse)
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activeGraph = activeGraph.joinVertices(scattered)(applyActive).cache()
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activeGraph = activeGraph.outerJoinVertices(scattered)(applyActive).cache()
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// Calculate the number of active vertices
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numActive = activeGraph.vertices.map{
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