added relations to the graph2hive import workflow

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/oa/graph/hive/oozie_app/workflow.xml

@@ -102,6 +102,7 @@
         <path start="import_datasource"/>
         <path start="import_organization"/>
         <path start="import_project"/>
+        <path start="import_relation"/>
     </fork>
 
     <action name="import_publication">
@@ -286,6 +287,32 @@
         <error to="Kill"/>
     </action>
 
+    <action name="import_relation">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>Import table project</name>
+            <class>eu.dnetlib.dhp.oa.graph.hive.GraphHiveTableImporterJob</class>
+            <jar>dhp-graph-mapper-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory=${sparkExecutorMemory}
+                --executor-cores=${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.warehouse.dir=${sparkSqlWarehouseDir}
+            </spark-opts>
+            <arg>--inputPath</arg><arg>${inputPath}/relation</arg>
+            <arg>--hiveDbName</arg><arg>${hiveDbName}</arg>
+            <arg>--className</arg><arg>eu.dnetlib.dhp.schema.oaf.Relation</arg>
+            <arg>--hiveMetastoreUris</arg><arg>${hiveMetastoreUris}</arg>
+        </spark>
+        <ok to="join_import"/>
+        <error to="Kill"/>
+    </action>
+
     <join name="join_import" to="PostProcessing"/>
 
     <action name="PostProcessing">