Github user knusbaum commented on a diff in the pull request:
https://github.com/apache/storm/pull/1053#discussion_r52058790
--- Diff: storm-core/src/jvm/org/apache/storm/container/cgroup/Device.java
---
@@ -0,0 +1,72 @@
+/**
+ * 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.storm.container.cgroup;
+
+public class Device {
+
+ public final int major;
+ public final int minor;
+
+ public Device(int major, int minor) {
+ this.major = major;
+ this.minor = minor;
+ }
+
+ public Device(String str) {
+ String[] strArgs = str.split(":");
+ this.major = Integer.valueOf(strArgs[0]);
+ this.minor = Integer.valueOf(strArgs[1]);
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ sb.append(major).append(":").append(minor);
+ return sb.toString();
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + major;
+ result = prime * result + minor;
+ return result;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (getClass() != obj.getClass()) {
+ return false;
+ }
+ Device other = (Device) obj;
--- End diff --
`.hashcode() == .hashcode()`?
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