added scholix generation

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/sx/graph/SparkCreateScholix.scala

@@ -4,9 +4,10 @@ import eu.dnetlib.dhp.application.ArgumentApplicationParser
 import eu.dnetlib.dhp.schema.oaf.Relation
 import eu.dnetlib.dhp.schema.sx.scholix.Scholix
 import eu.dnetlib.dhp.schema.sx.summary.ScholixSummary
+import eu.dnetlib.dhp.sx.graph.scholix.ScholixUtils
 import org.apache.commons.io.IOUtils
 import org.apache.spark.SparkConf
-import org.apache.spark.sql.{Dataset, Encoder, Encoders, SparkSession}
+import org.apache.spark.sql.{Dataset, Encoder, Encoders, SaveMode, SparkSession}
 import org.slf4j.{Logger, LoggerFactory}
 
 object SparkCreateScholix {
@@ -31,40 +32,45 @@ object SparkCreateScholix {
     log.info(s"targetPath  -> $targetPath")
 
 
-    implicit val relEncoder:Encoder[Relation] = Encoders.kryo[Relation]
-    implicit val  summaryEncoder :Encoder[ScholixSummary] = Encoders.kryo[ScholixSummary]
-    implicit val  scholixEncoder :Encoder[Scholix] = Encoders.kryo[Scholix]
+    implicit val relEncoder: Encoder[Relation] = Encoders.kryo[Relation]
+    implicit val summaryEncoder: Encoder[ScholixSummary] = Encoders.kryo[ScholixSummary]
+    implicit val scholixEncoder: Encoder[Scholix] = Encoders.kryo[Scholix]
+
+    import spark.implicits._
 
 
-    val relationDS:Dataset[(String, Relation)] = spark.read.load(relationPath).as[Relation]
+    val relationDS: Dataset[(String, Relation)] = spark.read.load(relationPath).as[Relation]
       .map(r => (r.getSource, r))(Encoders.tuple(Encoders.STRING, relEncoder))
 
-    val summaryDS:Dataset[(String, ScholixSummary)] = spark.read.load(summaryPath).as[ScholixSummary]
+    val summaryDS: Dataset[(String, ScholixSummary)] = spark.read.load(summaryPath).as[ScholixSummary]
       .map(r => (r.getId, r))(Encoders.tuple(Encoders.STRING, summaryEncoder))
 
 
-    val res: Array[((String, Relation), (String, ScholixSummary))] =relationDS.joinWith(summaryDS, relationDS("_1").equalTo(summaryDS("_1")), "left").take(10)
-
-
-    res.foreach(r =>println(r._1._2))
-
-//    relationDS.joinWith(summaryDS, relationDS("_1").equalTo(summaryDS("_1")), "left")
-//      .map {input:((String,Relation), (String, ScholixSummary)) =>
-//        val rel:Relation = input._1._2
-//        val source:ScholixSummary = input._2._2
-//
-//
-//        val s = new Scholix
-//
-//
-//      }
-
-
-
-
+    relationDS.joinWith(summaryDS, relationDS("_1").equalTo(summaryDS("_1")), "left")
+      .map { input: ((String, Relation), (String, ScholixSummary)) =>
+        val rel: Relation = input._1._2
+        val source: ScholixSummary = input._2._2
+        (rel.getTarget, ScholixUtils.scholixFromSource(rel, source))
+      }(Encoders.tuple(Encoders.STRING, scholixEncoder))
+      .write.mode(SaveMode.Overwrite).save(s"$targetPath/scholix_from_source")
+
+    val scholixSource: Dataset[(String, Scholix)] = spark.read.load(s"$targetPath/scholix_from_source").as[(String, Scholix)](Encoders.tuple(Encoders.STRING, scholixEncoder))
+
+    scholixSource.joinWith(summaryDS, scholixSource("_1").equalTo(summaryDS("_1")), "left")
+      .map { input: ((String, Scholix), (String, ScholixSummary)) =>
+        val s: Scholix = input._1._2
+        val target: ScholixSummary = input._2._2
+        ScholixUtils.generateCompleteScholix(s, target)
+      }.write.mode(SaveMode.Overwrite).save(s"$targetPath/scholix_one_verse")
 
 
+    val scholix_o_v: Dataset[Scholix] = spark.read.load(s"$targetPath/scholix_one_verse").as[Scholix]
 
+    scholix_o_v.flatMap(s => List(s, ScholixUtils.createInverseScholixRelation(s))).groupByKey(_.getIdentifier).reduceGroups { (x, y) =>
+      if (x != null)
+        x
+      else
+        y
+    }.write.mode(SaveMode.Overwrite).save(s"$targetPath/scholix")
   }
-
 }

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/sx/graph/scholix/ScholixUtils.scala

@@ -4,6 +4,7 @@ package eu.dnetlib.dhp.sx.graph.scholix
 import eu.dnetlib.dhp.schema.oaf.{Dataset, Relation, Result, StructuredProperty}
 import eu.dnetlib.dhp.schema.sx.scholix.{Scholix, ScholixCollectedFrom, ScholixEntityId, ScholixIdentifier, ScholixRelationship, ScholixResource}
 import eu.dnetlib.dhp.schema.sx.summary.{CollectedFromType, SchemeValue, ScholixSummary, Typology}
+import eu.dnetlib.dhp.utils.DHPUtils
 import org.json4s
 import org.json4s.DefaultFormats
 import org.json4s.jackson.JsonMethods.parse
@@ -45,13 +46,35 @@ object ScholixUtils {
 
   def extractRelationDate(summary: ScholixSummary):String = {
 
-    if(summary.getDate== null && !summary.getDate.isEmpty)
+    if(summary.getDate== null || summary.getDate.isEmpty)
       null
     else {
       summary.getDate.get(0)
     }
 
 
+  }
+
+  def inverseRelationShip(rel:ScholixRelationship):ScholixRelationship = {
+    new ScholixRelationship(rel.getInverse, rel.getSchema, rel.getName)
+
+
+  }
+
+
+  def createInverseScholixRelation(scholix: Scholix):Scholix = {
+    val s = new Scholix
+    s.setPublicationDate(scholix.getPublicationDate)
+    s.setPublisher(scholix.getPublisher)
+    s.setLinkprovider(scholix.getLinkprovider)
+    s.setRelationship(inverseRelationShip(scholix.getRelationship))
+    s.setSource(scholix.getTarget)
+    s.setTarget(scholix.getSource)
+    s.setIdentifier(DHPUtils.md5(s"${s.getSource.getIdentifier}::${s.getRelationship.getName}::${s.getTarget.getIdentifier}"))
+    s
+
+
+
   }
 
 
@@ -78,6 +101,19 @@ object ScholixUtils {
   }
 
 
+  def generateCompleteScholix(scholix: Scholix, target:ScholixSummary): Scholix = {
+    val s = new Scholix
+    s.setPublicationDate(scholix.getPublicationDate)
+    s.setPublisher(scholix.getPublisher)
+    s.setLinkprovider(scholix.getLinkprovider)
+    s.setRelationship(scholix.getRelationship)
+    s.setSource(scholix.getSource)
+    s.setTarget(generateScholixResourceFromSummary(target))
+    s.setIdentifier(DHPUtils.md5(s"${s.getSource.getIdentifier}::${s.getRelationship.getName}::${s.getTarget.getIdentifier}"))
+    s
+  }
+
+
   def generateScholixResourceFromSummary(summaryObject: ScholixSummary): ScholixResource = {
     val r = new ScholixResource
     r.setIdentifier(summaryObject.getLocalIdentifier)

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/sx/graph/create_scholix_params.json

@@ -0,0 +1,6 @@
+[
+  {"paramName":"mt",  "paramLongName":"master",     "paramDescription": "should be local or yarn",  "paramRequired": true},
+  {"paramName":"r",   "paramLongName":"relationPath", "paramDescription": "the relation resolved Path",           "paramRequired": true},
+  {"paramName":"s",   "paramLongName":"summaryPath", "paramDescription": "the summary Path",           "paramRequired": true},
+  {"paramName":"t",   "paramLongName":"targetPath", "paramDescription": "the target base path of the scholix", "paramRequired": true}
+]

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/sx/graph/step1/oozie_app/workflow.xml

@@ -10,7 +10,7 @@
         </property>
     </parameters>
 
-    <start to="CreateSummaries"/>
+    <start to="CreateScholix"/>
 
     <kill name="Kill">
         <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
@@ -90,6 +90,33 @@
             <arg>--sourcePath</arg><arg>${targetPath}/dedup</arg>
             <arg>--targetPath</arg><arg>${targetPath}/provision/summaries</arg>
         </spark>
+        <ok to="CreateScholix"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="CreateScholix">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>Generate Scholix Dataset</name>
+            <class>eu.dnetlib.dhp.sx.graph.SparkCreateScholix</class>
+            <jar>dhp-graph-mapper-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory=${sparkExecutorMemory}
+                --executor-cores=${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.shuffle.partitions=6000
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+            </spark-opts>
+            <arg>--master</arg><arg>yarn</arg>
+            <arg>--summaryPath</arg><arg>${targetPath}/provision/summaries</arg>
+            <arg>--targetPath</arg><arg>${targetPath}/provision/scholix</arg>
+            <arg>--relationPath</arg><arg>${targetPath}/resolved/resolvedRelation</arg>
+
+        </spark>
         <ok to="End"/>
         <error to="Kill"/>
     </action>