From de1bb75c564e63307990024812381407504bc38e Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Fri, 20 Jan 2023 17:49:19 +0100
Subject: [PATCH] LinkedEntity is now comparable

---
 .../impl/properties/LinkedEntityImpl.java     | 44 +++++++++++++++++++
 .../reference/properties/LinkedEntity.java    |  2 +-
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/gcube/informationsystem/types/impl/properties/LinkedEntityImpl.java b/src/main/java/org/gcube/informationsystem/types/impl/properties/LinkedEntityImpl.java
index 2b67e5f..dc50bc5 100644
--- a/src/main/java/org/gcube/informationsystem/types/impl/properties/LinkedEntityImpl.java
+++ b/src/main/java/org/gcube/informationsystem/types/impl/properties/LinkedEntityImpl.java
@@ -117,4 +117,48 @@ public final class LinkedEntityImpl extends PropertyElementImpl implements Linke
 			   Objects.equals(description, other.description);
 	}
 	
+	
+	@Override
+	public int compareTo(LinkedEntity other) {
+		if (this == other) {
+			return 0;
+		}
+		if (other == null) {
+			return -1;
+		}
+		if (getClass() != other.getClass()) {
+			return -1;
+		}
+		
+		LinkedEntityImpl o = (LinkedEntityImpl) other;
+		
+		int ret = 0;
+		ret = source.compareTo(o.source);
+		if(ret != 0) {
+			return ret;
+		}
+		
+		ret = relation.compareTo(o.relation);
+		if(ret != 0) {
+			return ret;
+		}
+		
+		ret = target.compareTo(o.target);
+		if(ret != 0) {
+			return ret;
+		}
+		
+		ret = max.compareTo(o.max);
+		if(ret != 0) {
+			return ret;
+		}
+		
+		ret = min.compareTo(o.min);
+		if(ret != 0) {
+			return ret;
+		}
+		
+		return description.compareTo(o.description);
+		
+	}
 }
diff --git a/src/main/java/org/gcube/informationsystem/types/reference/properties/LinkedEntity.java b/src/main/java/org/gcube/informationsystem/types/reference/properties/LinkedEntity.java
index acf10ca..bcbbe25 100644
--- a/src/main/java/org/gcube/informationsystem/types/reference/properties/LinkedEntity.java
+++ b/src/main/java/org/gcube/informationsystem/types/reference/properties/LinkedEntity.java
@@ -18,7 +18,7 @@ import org.gcube.informationsystem.utils.Version;
 @JsonDeserialize(as=LinkedEntityImpl.class)
 @TypeMetadata(name = LinkedEntity.NAME, description = " A convenient type to define a Resource in terms of: mandatory/recommended ConsistsOf->Facets; suggested IsRelatedTo->Resource.", version = Version.MINIMAL_VERSION_STRING)
 @Change(version = Version.MINIMAL_VERSION_STRING, description = Version.MINIMAL_VERSION_DESCRIPTION)
-public interface LinkedEntity extends PropertyElement {
+public interface LinkedEntity extends PropertyElement, Comparable<LinkedEntity> {
 
 	public static final String NAME = "LinkedEntity"; // LinkedEntity.class.getSimpleName();