change reltype constants

apps/dnet-orgs-database-application/src/main/java/eu/dnetlib/organizations/utils/RelationType.java

@@ -2,14 +2,19 @@ package eu.dnetlib.organizations.utils;
 
 public enum RelationType {
 
-	Child, Parent, Related, Other, Merged_In, Merges;
+	IsChildOf,
+	IsParentOf,
+	Related,
+	Other,
+	Merged_In,
+	Merges;
 
 	public RelationType getInverse() {
 		switch (this) {
-		case Child:
-			return Parent;
-		case Parent:
-			return Child;
+		case IsChildOf:
+			return IsParentOf;
+		case IsParentOf:
+			return IsChildOf;
 		case Related:
 			return Related;
 		case Merged_In:

apps/dnet-orgs-database-application/src/main/resources/static/resources/html/parts/org_metadata.form.html

@@ -256,8 +256,8 @@
 								<td class="pl-3" colspan="3">This organizazion 
 									<!-- NB: The showed value MUST be the inverse -->
 									<span ng-switch="r.type">
-										<b ng-switch-when="Child">is parent of</b> <!-- I reverse to have a better label, but it should be has child -->
-										<b ng-switch-when="Parent">is child of</b> <!-- I reverse to have a better label, but it should be has parent -->
+										<b ng-switch-when="IsParentOf">is parent of</b>
+										<b ng-switch-when="IsChildOf">is child of</b>
 										<b ng-switch-when="Merges">merges</b>
 										<b ng-switch-when="Merged_In">is merged in</b>
 										<b ng-switch-default>is related to</b>
@@ -276,8 +276,8 @@
 									<select class="custom-select custom-select-sm" ng-model="newRelType">
 										<option disabled="disabled" value=''>rel type...</option>
 										<!-- NB: The showed value MUST be the inverse -->
-										<option value="Parent">is child of</option>
-										<option value="Child">is parent of</option>
+										<option value="IsChildOf">is child of</option>
+										<option value="IsParentOf">is parent of</option>
 									</select>
 								</td>
 								<td>