Github user kishoreg commented on a diff in the pull request:
https://github.com/apache/helix/pull/155#discussion_r176172589
--- Diff:
helix-core/src/main/java/org/apache/helix/spectator/RoutingTableSnapshot.java
---
@@ -0,0 +1,151 @@
+package org.apache.helix.spectator;
+
+/*
+ * 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.
+ */
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+import org.apache.helix.model.InstanceConfig;
+import org.apache.helix.model.LiveInstance;
+
+/**
+ * The snapshot of RoutingTable information. It is immutable, it reflects
the routing table
+ * information at the time it is generated.
+ */
+public class RoutingTableSnapshot {
--- End diff --
whats the benefit of this wrapper on RoutingTable?
---
