Added ChangeType to ProjectChangeForEntity

pom.xml

@@ -158,8 +158,8 @@
                         <spring.profiles.active>test</spring.profiles.active>
                     </systemPropertyVariables>
                     <includes>
-                        <include>**/*Test.java</include> <!-- Matches unit test naming convention -->
-                        <include>**/*IT.java</include> <!-- Matches unit test naming convention -->
+                        <include>**/*Test.java</include>
+                        <include>**/*IT.java</include>
                     </includes>
                 </configuration>
             </plugin>

src/main/java/edu/stanford/protege/webprotege/postcoordinationservice/uiHistoryConcern/changes/ChangeType.java

@@ -0,0 +1,7 @@
+package edu.stanford.protege.webprotege.postcoordinationservice.uiHistoryConcern.changes;
+
+public enum ChangeType {
+    CREATE_ENTITY,
+    DELETE_ENTITY,
+    UPDATE_ENTITY
+}

src/main/java/edu/stanford/protege/webprotege/postcoordinationservice/uiHistoryConcern/changes/ProjectChangeForEntity.java

@@ -1,12 +1,31 @@
 package edu.stanford.protege.webprotege.postcoordinationservice.uiHistoryConcern.changes;
 
 import edu.stanford.protege.webprotege.change.ProjectChange;
+import org.jetbrains.annotations.NotNull;
 
 public record ProjectChangeForEntity(String whoficEntityIri,
-                                     ProjectChange projectChange) {
+                                     ChangeType changeType,
+                                     ProjectChange projectChange) implements Comparable<ProjectChangeForEntity> {
 
     public static ProjectChangeForEntity create(String whoficEntityIri,
+                                                ChangeType changeType,
                                                 ProjectChange projectChange) {
-        return new ProjectChangeForEntity(whoficEntityIri, projectChange);
+        return new ProjectChangeForEntity(whoficEntityIri, changeType, projectChange);
+    }
+
+    //All linearization/postcoordination changes are updates made on the whoficEntityIri.
+    // From this microservice we don't create or delete entities. that is the responsibility of the backend-service.
+    public static ProjectChangeForEntity create(String whoficEntityIri,
+                                                ProjectChange projectChange) {
+        return new ProjectChangeForEntity(whoficEntityIri, ChangeType.UPDATE_ENTITY, projectChange);
+    }
+
+    @Override
+    public int compareTo(@NotNull ProjectChangeForEntity other) {
+        int timestampComparison = Long.compare(this.projectChange.getTimestamp(), other.projectChange.getTimestamp());
+        if (timestampComparison != 0) {
+            return timestampComparison;
+        }
+        return this.whoficEntityIri.compareTo(other.whoficEntityIri);
     }
 }