From 55800920a98dedd5fd14956ccb0dbd3ca4b104bb Mon Sep 17 00:00:00 2001
From: Claudio Atzori <claudio.atzori@isti.cnr.it>
Date: Fri, 21 Jan 2022 14:21:30 +0100
Subject: [PATCH] added helper method to get the OpenAIRE ids of the delegated
 authorities

---
 .../eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java b/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java
index 2b7a5f3..5939db4 100644
--- a/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java
+++ b/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java
@@ -67,6 +67,13 @@ public class IdentifierFactory implements Serializable {
 		DELEGATED_PID_AUTHORITY.get(PidType.doi).put(ZENODO_R3_ID, "zenodo");
 	}
 
+	public static Set<String> delegatedAuthorityDatasourceIds() {
+		return DELEGATED_PID_AUTHORITY.values()
+				.stream()
+				.flatMap(m -> m.keySet().stream())
+				.collect(Collectors.toCollection(HashSet::new));
+	}
+
 	public static List<StructuredProperty> getPids(List<StructuredProperty> pid, KeyValue collectedFrom) {
 		return pidFromInstance(pid, collectedFrom, true).distinct().collect(Collectors.toList());
 	}