Ajay Gupta ajaybgupta
ankurdave
/ load-edges-with-properties-and-string-id.scala
Last active
August 27, 2016 05:19
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| import org.apache.spark._ | |
| import org.apache.spark.graphx._ | |
| val triplets = sc.textFile(path).flatMap { line => | |
| if (!line.isEmpty && line(0) != '#') { | |
| val lineArray = line.split("\\s+") | |
| if (lineArray.length < 2) { | |
| None | |
| } else { | |
| val t = new EdgeTriplet[String, String] |
sofoklis
/ LogiclaExpressionParser.scala
Last active
December 9, 2020 12:40
Parser Combinators - A logical expression parser
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| package org.papasofokli | |
| import scala.util.parsing.combinator.JavaTokenParsers | |
| /** | |
| * <b-expression>::= <b-term> [<orop> <b-term>]* | |
| * <b-term> ::= <not-factor> [AND <not-factor>]* | |
| * <not-factor> ::= [NOT] <b-factor> | |
| * <b-factor> ::= <b-literal> | <b-variable> | (<b-expression>) | |
| */ |