Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/11053#discussion_r53154866
--- Diff:
examples/src/main/java/org/apache/spark/examples/ml/JavaDocument.java ---
@@ -0,0 +1,52 @@
+/*
+ * 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.examples.ml;
+
+import java.io.Serializable;
+
+/**
+ * Unlabeled instance type, Spark SQL can infer schema from Java Beans.
+ */
+public class JavaDocument implements Serializable {
+
+ /** Serializable version identifier */
+ private static final long serialVersionUID = 7090547542135729169L;
+ private long id;
+ private String text;
+
+ public JavaDocument(long id, String text) {
+ this.id = id;
+ this.text = text;
+ }
+
+ public long getId() {
+ return this.id;
+ }
+
+ public void setId(long id) {
--- End diff --
I don't think you need setters, but you probably need a no-arg constructor
to make this JavaBeans-friendly
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