From b7dd400e5175ca7366ff8d98378ec8bfc8cf9ba3 Mon Sep 17 00:00:00 2001
From: "miriam.baglioni" <miriam.baglioni@isti.cnr.it>
Date: Fri, 1 May 2020 15:09:02 +0200
Subject: [PATCH] added check if author.pid exists or is null

---
 .../SparkOrcidToResultFromSemRelJob3.java                   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob3.java b/dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob3.java
index 997b58bf2..4611eac39 100644
--- a/dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob3.java
+++ b/dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/orcidtoresultfromsemrel/SparkOrcidToResultFromSemRelJob3.java
@@ -187,7 +187,11 @@ public class SparkOrcidToResultFromSemRelJob3 {
 	}
 
 	private static boolean containsAllowedPid(Author a) {
-		for (StructuredProperty pid : a.getPid()) {
+		Optional<List<StructuredProperty>> pids = Optional.ofNullable(a.getPid());
+		if (!pids.isPresent()) {
+			return false;
+		}
+		for (StructuredProperty pid : pids.get()) {
 			if (PROPAGATION_AUTHOR_PID.equals(pid.getQualifier().getClassid())) {
 				return true;
 			}