Added node to update datacite

This commit is contained in:
Sandro La Bruzzo 2021-09-28 08:58:59 +02:00
parent 477cb10715
commit 66702b1973
1 changed files with 53 additions and 0 deletions

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package eu.dnetlib.dhp.actionmanager.datacite
import eu.dnetlib.dhp.application.ArgumentApplicationParser
import eu.dnetlib.dhp.schema.oaf.{Oaf, Result}
import org.apache.hadoop.conf.Configuration
import org.apache.hadoop.fs.LocalFileSystem
import org.apache.hadoop.hdfs.DistributedFileSystem
import org.apache.spark.SparkConf
import org.apache.spark.sql.{Encoder, Encoders, SparkSession}
import org.apache.spark.sql.functions.max
import org.slf4j.{Logger, LoggerFactory}
import java.text.SimpleDateFormat
import java.util.{Date, Locale}
import scala.io.Source
object SparkDownloadUpdateDatacite {
val log: Logger = LoggerFactory.getLogger(getClass)
def main(args: Array[String]): Unit = {
val conf = new SparkConf
val parser = new ArgumentApplicationParser(Source.fromInputStream(getClass.getResourceAsStream("/eu/dnetlib/dhp/actionmanager/datacite/generate_dataset_params.json")).mkString)
parser.parseArgument(args)
val master = parser.get("master")
val sourcePath = parser.get("sourcePath")
val workingPath = parser.get("workingPath")
val hdfsuri = parser.get("namenode")
log.info(s"namenode is $hdfsuri")
val spark: SparkSession = SparkSession.builder().config(conf)
.appName(getClass.getSimpleName)
.master(master)
.getOrCreate()
implicit val oafEncoder: Encoder[Oaf] = Encoders.kryo[Oaf]
implicit val resEncoder: Encoder[Result] = Encoders.kryo[Result]
import spark.implicits._
val maxDate:String = spark.read.load(workingPath).as[Oaf].filter(s => s.isInstanceOf[Result]).map(r => r.asInstanceOf[Result].getDateofcollection).select(max("value")).first().getString(0)
val ISO8601FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ", Locale.US)
val string_to_date =ISO8601FORMAT.parse(maxDate)
val ts = string_to_date.getTime
}
}