[EN-17473] Propagate the variation name to the AssignmentLogData

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.glossgenius</groupId>
     <artifactId>eppo-java-server-sdk</artifactId>
-    <version>2.1.0-0.1.1</version>
+    <version>2.1.0-0.2.0</version>
 
     <name>${project.groupId}:${project.artifactId}</name>
     <description>Eppo Server-Side SDK for Java</description>

src/main/java/com/eppo/sdk/EppoClient.java

@@ -33,6 +33,7 @@
 import java.util.Timer;
 
 import static com.eppo.sdk.dto.AssignmentLogData.OVERRIDE_ALLOCATION_KEY;
+import static com.eppo.sdk.dto.AssignmentLogData.OVERRIDE_ASSIGNMENT_NAME;
 
 @Slf4j
 public class EppoClient {
@@ -78,7 +79,14 @@ public Optional<AssignmentLogData> getAssignmentWithDetails(
         // Check if subject has override variations
         EppoValue subjectVariationOverride = this.getSubjectVariationOverride(subjectKey, configuration);
         if (!subjectVariationOverride.isNull()) {
-            AssignmentLogData data = getAssignmentLogData(subjectKey, flagKey, subjectAttributes, OVERRIDE_ALLOCATION_KEY, subjectVariationOverride);
+            AssignmentLogData data = getAssignmentLogData(
+                subjectKey,
+                flagKey,
+                subjectAttributes,
+                OVERRIDE_ALLOCATION_KEY,
+                OVERRIDE_ASSIGNMENT_NAME,
+                subjectVariationOverride
+            );
             return Optional.of(data);
         }
 
@@ -107,7 +115,16 @@ public Optional<AssignmentLogData> getAssignmentWithDetails(
         // Get assigned variation
         Variation assignedVariation = this.getAssignedVariation(subjectKey, flagKey, configuration.getSubjectShards(),
                 allocation.getVariations());
-        return Optional.of(getAssignmentLogData(subjectKey, flagKey, subjectAttributes, allocationKey, assignedVariation.getTypedValue()));
+        return Optional.of(
+            getAssignmentLogData(
+                subjectKey,
+                flagKey,
+                subjectAttributes,
+                allocationKey,
+                assignedVariation.getName(),
+                assignedVariation.getTypedValue()
+            )
+        );
     }
 
     /**
@@ -146,12 +163,15 @@ private AssignmentLogData getAssignmentLogData(
             String flagKey,
             SubjectAttributes subjectAttributes,
             String allocationKey,
-            EppoValue assignmentValue) {
+            String assignmentName,
+            EppoValue assignmentValue
+    ) {
         String experimentKey = ExperimentHelper.generateKey(flagKey, allocationKey);
         return new AssignmentLogData(
                 experimentKey,
                 flagKey,
                 allocationKey,
+                assignmentName,
                 assignmentValue,
                 subjectKey,
                 subjectAttributes);

src/main/java/com/eppo/sdk/dto/AssignmentLogData.java

@@ -8,6 +8,8 @@
 public class AssignmentLogData {
     public static final String OVERRIDE_ALLOCATION_KEY = "override";
 
+    public static final String OVERRIDE_ASSIGNMENT_NAME = "override_assignment";
+
     public String experiment;
     public String featureFlag;
     public String allocation;
@@ -21,6 +23,7 @@ public AssignmentLogData(
             String experiment,
             String featureFlag,
             String allocation,
+            String variationName,
             EppoValue variationValue,
             String subject,
             SubjectAttributes subjectAttributes
@@ -29,7 +32,7 @@ public AssignmentLogData(
         this.featureFlag = featureFlag;
         this.allocation = allocation;
         this.variationValue = variationValue;
-        this.variation = variationValue.stringValue();
+        this.variation = variationName;
         this.timestamp = new Date();
         this.subject = subject;
         this.subjectAttributes = subjectAttributes;

src/main/java/com/eppo/sdk/dto/Variation.java

@@ -1,12 +1,14 @@
 package com.eppo.sdk.dto;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 /**
  * Experiment's Variation Class
  */
 @Data
 public class Variation {
+    private String name;
     private EppoValue typedValue;
     private ShardRange shardRange;
 }