[GitHub] [cassandra-in-jvm-dtest-api] ifesdjeen commented on a change in pull request #1: Introduce the extracted in-JVM DTest API

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ifesdjeen commented on a change in pull request #1: Introduce the extracted in-JVM DTest API
URL: https://github.com/apache/cassandra-in-jvm-dtest-api/pull/1#discussion_r395007023
 
 

 ##########
 File path: src/main/java/org/apache/cassandra/distributed/shared/NetworkTopology.java
 ##########
 @@ -0,0 +1,216 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.cassandra.distributed.shared;
+
+import java.io.Serializable;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.IntFunction;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+public class NetworkTopology
+{
+    private final Map<AddressAndPort, DcAndRack> map;
+
+    public static class DcAndRack
+    {
+        private final String dc;
+        private final String rack;
+
+        private DcAndRack(String dc, String rack)
+        {
+            this.dc = dc;
+            this.rack = rack;
+        }
+
+        @Override
+        public String toString()
+        {
+            return "DcAndRack{" +
+                   "dc='" + dc + '\'' +
+                   ", rack='" + rack + '\'' +
+                   '}';
+        }
+
+        @Override
+        public boolean equals(Object o)
+        {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            DcAndRack dcAndRack = (DcAndRack) o;
+            return Objects.equals(dc, dcAndRack.dc) &&
+                   Objects.equals(rack, dcAndRack.rack);
+        }
+
+        @Override
+        public int hashCode()
+        {
+            return Objects.hash(dc, rack);
+        }
+    }
+
+    public static class AddressAndPort implements Serializable
 
 Review comment:
   Removed this class in favour of InetSocketAddress 

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