Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2836#discussion_r217911059
--- Diff: storm-client/src/jvm/org/apache/storm/stats/ClientStatsUtil.java
---
@@ -0,0 +1,202 @@
+/*
+ * 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.stats;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.apache.storm.generated.ClusterWorkerHeartbeat;
+import org.apache.storm.generated.ExecutorInfo;
+import org.apache.storm.generated.ExecutorStats;
+import org.apache.storm.generated.GlobalStreamId;
+import org.apache.storm.shade.com.google.common.collect.Lists;
+import org.apache.storm.utils.Time;
+
+/**
+ * Stats calculations needed by storm client code.
+ */
+public class ClientStatsUtil {
+ public static final String SPOUT = "spout";
+ public static final String BOLT = "bolt";
+ static final String EXECUTOR_STATS = "executor-stats";
+ static final String UPTIME = "uptime";
+ public static final String TIME_SECS = "time-secs";
+ public static final ToGlobalStreamIdTransformer TO_GSID = new
ToGlobalStreamIdTransformer();
+ public static final IdentityTransformer IDENTITY = new
IdentityTransformer();
+
+ /**
+ * Convert a List<Long> executor to java List<Integer>.
+ */
+ public static List<Integer> convertExecutor(List<Long> executor) {
+ return Lists.newArrayList(executor.get(0).intValue(),
executor.get(1).intValue());
+ }
+
+ /**
+ * Make and map of executors to empty stats.
--- End diff --
Nit: Couple of places saying "and" where it should say "a"/"an"
---
