enrico.ottonello
/
dnet-hadoop
forked from D-Net/dnet-hadoop
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

OAF-store-graph mdstores: firther fix for PR#180

This commit is contained in:
Claudio Atzori 2022-01-05 15:49:05 +01:00
parent 3bd3653be9
commit 8ae46ca789
1 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/CopyHdfsOafSparkApplication.scala
View File

@ -48,26 +48,27 @@ object CopyHdfsOafSparkApplication {
log.info("hdfsPath: {}", hdfsPath)
implicit val oafEncoder: Encoder[Oaf] = Encoders.kryo[Oaf]
import spark.implicits._
val paths = DHPUtils.mdstorePaths(mdstoreManagerUrl, mdFormat, mdLayout, mdInterpretation, true).asScala
val validPaths: List[String] = paths.filter(p => HdfsSupport.exists(p, sc.hadoopConfiguration)).toList
val types = ModelSupport.oafTypes.entrySet
.asScala
.map(e => Tuple2(e.getKey, e.getValue))
if (validPaths.nonEmpty) {
val oaf = spark.read.load(validPaths: _*).as[String]
val oaf = spark.read.textFile(validPaths: _*)
val mapper = new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
val l = ModelSupport.oafTypes.entrySet.asScala.toList
l.foreach(
e =>
oaf
.filter(o => isOafType(o, e.getKey))
.map(j => mapper.readValue(j, e.getValue).asInstanceOf[Oaf])
.map(s => mapper.writeValueAsString(s))(Encoders.STRING)
.write
.option("compression", "gzip")
.mode(SaveMode.Append)
.text(s"$hdfsPath/${e}")
types.foreach(t => oaf
.filter(o => isOafType(o, t._1))
.map(j => mapper.readValue(j, t._2).asInstanceOf[Oaf])
.map(s => mapper.writeValueAsString(s))(Encoders.STRING)
.write
.option("compression", "gzip")
.mode(SaveMode.Append)
.text(s"$hdfsPath/${t._1}")
)
}
}