From 58db7dade792660dc8c55fd753a797678a15ad34 Mon Sep 17 00:00:00 2001
From: gjoranv <gv@verizonmedia.com>
Date: Mon, 4 Oct 2021 12:17:56 +0200
Subject: Add equals and hashCode for Cluster.

---
 hosted-zone-api/abi-spec.json                            |  4 +++-
 .../src/main/java/ai/vespa/cloud/Cluster.java            | 16 ++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/hosted-zone-api/abi-spec.json b/hosted-zone-api/abi-spec.json
index 00b776922d4..4195fd5f10c 100644
--- a/hosted-zone-api/abi-spec.json
+++ b/hosted-zone-api/abi-spec.json
@@ -8,7 +8,9 @@
     "methods": [
       "public void <init>(int, java.util.List)",
       "public int size()",
-      "public java.util.List indices()"
+      "public java.util.List indices()",
+      "public boolean equals(java.lang.Object)",
+      "public int hashCode()"
     ],
     "fields": []
   },
diff --git a/hosted-zone-api/src/main/java/ai/vespa/cloud/Cluster.java b/hosted-zone-api/src/main/java/ai/vespa/cloud/Cluster.java
index 5db68b9d5b3..dba0e3f30bc 100644
--- a/hosted-zone-api/src/main/java/ai/vespa/cloud/Cluster.java
+++ b/hosted-zone-api/src/main/java/ai/vespa/cloud/Cluster.java
@@ -2,6 +2,7 @@ package ai.vespa.cloud;
 
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * The properties of a cluster of nodes.
@@ -14,6 +15,7 @@ public class Cluster {
     private final List<Integer> indices;
 
     public Cluster(int size, List<Integer> indices) {
+        Objects.requireNonNull(indices, "Indices cannot be null!");
         this.size = size;
         this.indices = Collections.unmodifiableList(indices);
     }
@@ -26,4 +28,18 @@ public class Cluster {
         return indices;
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Cluster cluster = (Cluster) o;
+        return size == cluster.size &&
+                indices.equals(cluster.indices);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(size, indices);
+    }
+
 }
-- 
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