From 6f5771c1c997da598fc34aeb3ce421d939997428 Mon Sep 17 00:00:00 2001
From: Claudio Atzori <claudio.atzori@isti.cnr.it>
Date: Thu, 25 Jun 2020 14:06:21 +0200
Subject: [PATCH] sets author.rank when null

---
 .../dhp/oa/graph/clean/CleanGraphSparkJob.java      | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
index bdbd64160..e1c4b53b5 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
@@ -152,7 +152,18 @@ public class CleanGraphSparkJob {
 					}
 				}
 			}
-
+			if (Objects.nonNull(r.getAuthor())) {
+				boolean nullRank = r
+					.getAuthor()
+					.stream()
+					.anyMatch(a -> Objects.isNull(a.getRank()));
+				if (nullRank) {
+					int i = 1;
+					for (Author author : r.getAuthor()) {
+						author.setRank(i++);
+					}
+				}
+			}
 			if (value instanceof Publication) {
 
 			} else if (value instanceof eu.dnetlib.dhp.schema.oaf.Dataset) {