diff --git a/mllib/src/main/scala/org/apache/spark/mllib/export/ModelExporter.scala b/mllib/src/main/scala/org/apache/spark/mllib/export/ModelExporter.scala new file mode 100644 index 0000000000000..af35fee5eec06 --- /dev/null +++ b/mllib/src/main/scala/org/apache/spark/mllib/export/ModelExporter.scala @@ -0,0 +1,45 @@ +/* + * 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 + +import java.io.File +import javax.xml.transform.stream.StreamResult + +import org.jpmml.model.JAXBUtil + +import org.apache.spark.mllib.export.pmml.PMMLModelExport + +object ModelExporter { + + /** + * Export the input model to the stream result in PMML format + */ + def toPMML(inputModel: Any, streamResult: StreamResult): Unit = { + val modelExport = ModelExportFactory.createModelExport(inputModel, ModelExportType.PMML) + val pmml = modelExport.asInstanceOf[PMMLModelExport].getPmml() + JAXBUtil.marshalPMML(pmml, streamResult) + } + + /** + * Export the input model to a local path in PMML format + */ + def toPMML(inputModel: Any, localPath: String): Unit = { + toPMML(inputModel, new StreamResult(new File(localPath))) + } + +}