Github user HeartSaVioR commented on a diff in the pull request:
https://github.com/apache/storm/pull/2203#discussion_r140971387
--- Diff: storm-core/src/jvm/org/apache/storm/metrics2/Metrics2Utils.java
---
@@ -0,0 +1,28 @@
+/**
+ * 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.metrics2;
+
+public class Metrics2Utils {
--- End diff --
Maybe this class can be generalized. Btw doesn't Storm have such a method?
It looks like used pattern.
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