implemented last part of workflows to generate scholixGraph
parent
cfde63a7c3
commit
d9e3b89937
@ -0,0 +1,43 @@
|
||||
package eu.dnetlib.dhp.sx.graph
|
||||
import com.cloudera.com.fasterxml.jackson.databind.ObjectMapper
|
||||
import eu.dnetlib.dhp.application.ArgumentApplicationParser
|
||||
import eu.dnetlib.dhp.schema.oaf.{OtherResearchProduct, Publication, Result, Software, Dataset => OafDataset}
|
||||
import org.apache.commons.io.IOUtils
|
||||
import org.apache.spark.SparkConf
|
||||
import org.apache.spark.sql.{Encoder, Encoders, SaveMode, SparkSession}
|
||||
import org.slf4j.{Logger, LoggerFactory}
|
||||
object SparkConvertRDDtoDataset {
|
||||
|
||||
def main(args: Array[String]): Unit = {
|
||||
val entities = List(
|
||||
("dataset", classOf[OafDataset]),
|
||||
("otherresearchproduct", classOf[OtherResearchProduct]),
|
||||
("publication", classOf[Publication]),
|
||||
("software", classOf[Software])
|
||||
)
|
||||
|
||||
val log: Logger = LoggerFactory.getLogger(getClass)
|
||||
val conf: SparkConf = new SparkConf()
|
||||
val parser = new ArgumentApplicationParser(IOUtils.toString(getClass.getResourceAsStream("/eu/dnetlib/dhp/sx/graph/convert_dataset_json_params.json")))
|
||||
parser.parseArgument(args)
|
||||
val spark: SparkSession =
|
||||
SparkSession
|
||||
.builder()
|
||||
.config(conf)
|
||||
.appName(getClass.getSimpleName)
|
||||
.master(parser.get("master")).getOrCreate()
|
||||
|
||||
val sourcePath = parser.get("sourcePath")
|
||||
log.info(s"sourcePath -> $sourcePath")
|
||||
val targetPath = parser.get("targetPath")
|
||||
log.info(s"targetPath -> $targetPath")
|
||||
val mapper = new ObjectMapper()
|
||||
implicit val resultEncoder: Encoder[Result] = Encoders.kryo(classOf[Result])
|
||||
|
||||
entities.foreach{
|
||||
e =>
|
||||
val rdd =spark.sparkContext.textFile(s"$sourcePath/${e._1}").map(s => mapper.readValue(s, e._2))
|
||||
spark.createDataset(rdd).as[Result].write.mode(SaveMode.Overwrite).save(s"$targetPath/${e._1}")
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue