Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3062#discussion_r19866949
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/export/pmml/PMMLModelExport.scala
---
@@ -0,0 +1,55 @@
+/*
+ * 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.export.pmml
+
+import java.text.SimpleDateFormat
+import java.util.Date
+
+import scala.beans.BeanProperty
+
+import org.dmg.pmml.Application
+import org.dmg.pmml.Header
+import org.dmg.pmml.PMML
+import org.dmg.pmml.Timestamp
+
+import org.apache.spark.mllib.export.ModelExport
+
+private[mllib] trait PMMLModelExport extends ModelExport{
+
+ /**
+ * Holder of the exported model in PMML format
+ */
+ @BeanProperty
+ val pmml: PMML = new PMML();
+
+ setHeader(pmml);
+
+ private def setHeader(pmml : PMML): Unit = {
+ val version = getClass().getPackage().getImplementationVersion()
+ val app = new Application().withName("Apache Spark
MLlib").withVersion(version)
+ val timestamp = new Timestamp()
+ .withContent(new
SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss").format(new Date()))
+ val header = new Header()
+ .withCopyright("Apache Spark MLlib")
+ .withApplication(app)
+ .withTimestamp(timestamp);
+ pmml.setHeader(header);
+ pmml.setVersion("4.2")
--- End diff --
4.2.1 is technically the latest version... although I don't know that we're
using any features that require that version, I'd default to specifying the
current latest version.
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