Github user jburwell commented on a diff in the pull request:
https://github.com/apache/cloudstack/pull/1371#discussion_r62787032
--- Diff: utils/src/main/java/com/cloud/utils/net/cidr/CIDR.java ---
@@ -0,0 +1,98 @@
+//
+// 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 com.cloud.utils.net.cidr;
+
+import java.net.InetAddress;
+import com.cloud.utils.Nullable;
+
+public interface CIDR extends Comparable<CIDR>, Nullable {
+
+ final static CIDR NULL = new NullCIDR();
+ final static int MAX_CIDR = 32;
+
+ public InetAddress getBaseAddress();
+
+ public int getMask();
+
+ public boolean contains(InetAddress inetAddress);
+
+ public boolean contains(CIDR cidr);
+
+ public boolean overlaps(CIDR cidr);
+
+ public String toString();
+
+ public boolean equals(Object o);
+
+ public int hashCode();
--- End diff --
It is unnecessary to declare ``toString``, ``equals``, and ``hashCode`` on
an interface since all classes are ancestors of ``Object``. Therefore, these
method declarations can be removed.
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