From c222b74d44a3f26370b6de9722ca00f8f5bff0b6 Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Fri, 5 May 2023 11:01:48 +0200
Subject: [PATCH] Added json serilization directive

---
 .../informationsystem/base/reference/IdentifiableElement.java  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/org/gcube/informationsystem/base/reference/IdentifiableElement.java b/src/main/java/org/gcube/informationsystem/base/reference/IdentifiableElement.java
index 422a717..4f74562 100644
--- a/src/main/java/org/gcube/informationsystem/base/reference/IdentifiableElement.java
+++ b/src/main/java/org/gcube/informationsystem/base/reference/IdentifiableElement.java
@@ -3,6 +3,8 @@ package org.gcube.informationsystem.base.reference;
 import java.util.UUID;
 
 import org.gcube.com.fasterxml.jackson.annotation.JsonGetter;
+import org.gcube.com.fasterxml.jackson.annotation.JsonInclude;
+import org.gcube.com.fasterxml.jackson.annotation.JsonInclude.Include;
 import org.gcube.com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import org.gcube.com.fasterxml.jackson.annotation.JsonSetter;
 import org.gcube.informationsystem.model.reference.properties.Metadata;
@@ -24,6 +26,7 @@ public interface IdentifiableElement extends Element {
 	@JsonSetter(value = ID_PROPERTY)
 	public void setID(UUID uuid);
 	
+	@JsonInclude(Include.NON_NULL)
 	@JsonGetter(value = METADATA_PROPERTY)
 	public Metadata getMetadata();