Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2906#discussion_r22641364
--- Diff:
mllib/src/test/java/org/apache/spark/mllib/clustering/JavaHierarchicalClusteringSuite.java
---
@@ -0,0 +1,77 @@
+/*
+ * 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.spark.mllib.clustering;
+
+import com.google.common.collect.Lists;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.mllib.linalg.Vector;
+import org.apache.spark.mllib.linalg.Vectors;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.Serializable;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class JavaHierarchicalClusteringSuite implements Serializable {
+ private transient JavaSparkContext sc;
--- End diff --
This is not a comment on this PR per se, but this whole `implements
Serializable` and `transient JavaSparkContext` thing is an anti-pattern I wish
wasn't used in even the tests.
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