56 lines
1.7 KiB
Scala
56 lines
1.7 KiB
Scala
package eu.dnetlib.dhp.sx.graph
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import eu.dnetlib.dhp.application.ArgumentApplicationParser
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import eu.dnetlib.dhp.schema.oaf.{Oaf, Result}
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import eu.dnetlib.dhp.schema.sx.summary.ScholixSummary
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import eu.dnetlib.dhp.sx.graph.scholix.ScholixUtils
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import org.apache.commons.io.IOUtils
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import org.apache.spark.SparkConf
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import org.apache.spark.sql._
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import org.slf4j.{Logger, LoggerFactory}
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object SparkCreateSummaryObject {
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def main(args: Array[String]): Unit = {
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val log: Logger = LoggerFactory.getLogger(getClass)
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val conf: SparkConf = new SparkConf()
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val parser = new ArgumentApplicationParser(
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IOUtils.toString(
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getClass.getResourceAsStream("/eu/dnetlib/dhp/sx/graph/create_summaries_params.json")
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)
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)
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parser.parseArgument(args)
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val spark: SparkSession =
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SparkSession
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.builder()
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.config(conf)
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.appName(getClass.getSimpleName)
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.master(parser.get("master"))
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.getOrCreate()
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val sourcePath = parser.get("sourcePath")
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log.info(s"sourcePath -> $sourcePath")
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val targetPath = parser.get("targetPath")
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log.info(s"targetPath -> $targetPath")
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implicit val resultEncoder: Encoder[Result] = Encoders.kryo[Result]
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implicit val oafEncoder: Encoder[Oaf] = Encoders.kryo[Oaf]
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implicit val summaryEncoder: Encoder[ScholixSummary] = Encoders.kryo[ScholixSummary]
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val ds: Dataset[Result] = spark.read
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.load(s"$sourcePath/*")
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.as[Result]
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.filter(r => r.getDataInfo == null || r.getDataInfo.getDeletedbyinference == false)
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ds.repartition(6000)
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.map(r => ScholixUtils.resultToSummary(r))
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.filter(s => s != null)
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.write
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.mode(SaveMode.Overwrite)
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.save(targetPath)
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}
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}
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