diff --git a/examples/src/main/java/org/apache/spark/examples/ml/JavaDeveloperApiExample.java b/examples/src/main/java/org/apache/spark/examples/ml/JavaDeveloperApiExample.java index ec533d174e..9df26ffca5 100644 --- a/examples/src/main/java/org/apache/spark/examples/ml/JavaDeveloperApiExample.java +++ b/examples/src/main/java/org/apache/spark/examples/ml/JavaDeveloperApiExample.java @@ -156,6 +156,11 @@ class MyJavaLogisticRegression // Create a model, and return it. return new MyJavaLogisticRegressionModel(uid(), weights).setParent(this); } + + @Override + public MyJavaLogisticRegression copy(ParamMap extra) { + return defaultCopy(extra); + } } /** diff --git a/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala b/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala index 3ee456edbe..7b8cc21ed8 100644 --- a/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala +++ b/examples/src/main/scala/org/apache/spark/examples/ml/DeveloperApiExample.scala @@ -130,6 +130,8 @@ private class MyLogisticRegression(override val uid: String) // Create a model, and return it. new MyLogisticRegressionModel(uid, weights).setParent(this) } + + override def copy(extra: ParamMap): MyLogisticRegression = defaultCopy(extra) } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/Estimator.scala b/mllib/src/main/scala/org/apache/spark/ml/Estimator.scala index e9a5d7c0e7..57e416591d 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Estimator.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Estimator.scala @@ -78,7 +78,5 @@ abstract class Estimator[M <: Model[M]] extends PipelineStage { paramMaps.map(fit(dataset, _)) } - override def copy(extra: ParamMap): Estimator[M] = { - super.copy(extra).asInstanceOf[Estimator[M]] - } + override def copy(extra: ParamMap): Estimator[M] } diff --git a/mllib/src/main/scala/org/apache/spark/ml/Model.scala b/mllib/src/main/scala/org/apache/spark/ml/Model.scala index 186bf7ae7a..252acc1565 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Model.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Model.scala @@ -45,8 +45,5 @@ abstract class Model[M <: Model[M]] extends Transformer { /** Indicates whether this [[Model]] has a corresponding parent. */ def hasParent: Boolean = parent != null - override def copy(extra: ParamMap): M = { - // The default implementation of Params.copy doesn't work for models. - throw new NotImplementedError(s"${this.getClass} doesn't implement copy(extra: ParamMap)") - } + override def copy(extra: ParamMap): M } diff --git a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala index 11a4722722..68f5b9736d 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala @@ -63,9 +63,7 @@ abstract class PipelineStage extends Params with Logging { outputSchema } - override def copy(extra: ParamMap): PipelineStage = { - super.copy(extra).asInstanceOf[PipelineStage] - } + override def copy(extra: ParamMap): PipelineStage } /** @@ -190,6 +188,6 @@ class PipelineModel private[ml] ( } override def copy(extra: ParamMap): PipelineModel = { - new PipelineModel(uid, stages) + new PipelineModel(uid, stages.map(_.copy(extra))) } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/Predictor.scala b/mllib/src/main/scala/org/apache/spark/ml/Predictor.scala index e752b81a14..edaa2afb79 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Predictor.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Predictor.scala @@ -90,9 +90,7 @@ abstract class Predictor[ copyValues(train(dataset).setParent(this)) } - override def copy(extra: ParamMap): Learner = { - super.copy(extra).asInstanceOf[Learner] - } + override def copy(extra: ParamMap): Learner /** * Train a model using the given dataset and parameters. diff --git a/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala b/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala index f07f733a5d..3c7bcf7590 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Transformer.scala @@ -67,9 +67,7 @@ abstract class Transformer extends PipelineStage { */ def transform(dataset: DataFrame): DataFrame - override def copy(extra: ParamMap): Transformer = { - super.copy(extra).asInstanceOf[Transformer] - } + override def copy(extra: ParamMap): Transformer } /** @@ -120,4 +118,6 @@ abstract class UnaryTransformer[IN, OUT, T <: UnaryTransformer[IN, OUT, T]] dataset.withColumn($(outputCol), callUDF(this.createTransformFunc, outputDataType, dataset($(inputCol)))) } + + override def copy(extra: ParamMap): T = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala index 263d580fe2..14c285dbfc 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/Classifier.scala @@ -18,6 +18,7 @@ package org.apache.spark.ml.classification import org.apache.spark.annotation.DeveloperApi +import org.apache.spark.ml.param.ParamMap import org.apache.spark.ml.{PredictionModel, PredictorParams, Predictor} import org.apache.spark.ml.param.shared.HasRawPredictionCol import org.apache.spark.ml.util.SchemaUtils diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala index 8030e0728a..2dc1824964 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/DecisionTreeClassifier.scala @@ -86,6 +86,8 @@ final class DecisionTreeClassifier(override val uid: String) super.getOldStrategy(categoricalFeatures, numClasses, OldAlgo.Classification, getOldImpurity, subsamplingRate = 1.0) } + + override def copy(extra: ParamMap): DecisionTreeClassifier = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala index 62f4b51f77..554e3b8e05 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/GBTClassifier.scala @@ -141,6 +141,8 @@ final class GBTClassifier(override val uid: String) val oldModel = oldGBT.run(oldDataset) GBTClassificationModel.fromOld(oldModel, this, categoricalFeatures) } + + override def copy(extra: ParamMap): GBTClassifier = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala index f136bcee9c..2e6eedd45a 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/LogisticRegression.scala @@ -220,6 +220,8 @@ class LogisticRegression(override val uid: String) new LogisticRegressionModel(uid, weights.compressed, intercept) } + + override def copy(extra: ParamMap): LogisticRegression = defaultCopy(extra) } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala index 825f9ed1b5..b657882f8a 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala @@ -24,7 +24,7 @@ import scala.language.existentials import org.apache.spark.annotation.Experimental import org.apache.spark.ml._ import org.apache.spark.ml.attribute._ -import org.apache.spark.ml.param.Param +import org.apache.spark.ml.param.{Param, ParamMap} import org.apache.spark.ml.util.{Identifiable, MetadataUtils} import org.apache.spark.mllib.linalg.Vector import org.apache.spark.sql.{DataFrame, Row} @@ -133,6 +133,12 @@ final class OneVsRestModel private[ml] ( aggregatedDataset.withColumn($(predictionCol), labelUdf.as($(predictionCol), labelMetadata)) .drop(accColName) } + + override def copy(extra: ParamMap): OneVsRestModel = { + val copied = new OneVsRestModel( + uid, labelMetadata, models.map(_.copy(extra).asInstanceOf[ClassificationModel[_, _]])) + copyValues(copied, extra) + } } /** @@ -209,4 +215,12 @@ final class OneVsRest(override val uid: String) val model = new OneVsRestModel(uid, labelAttribute.toMetadata(), models).setParent(this) copyValues(model) } + + override def copy(extra: ParamMap): OneVsRest = { + val copied = defaultCopy(extra).asInstanceOf[OneVsRest] + if (isDefined(classifier)) { + copied.setClassifier($(classifier).copy(extra)) + } + copied + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/classification/RandomForestClassifier.scala b/mllib/src/main/scala/org/apache/spark/ml/classification/RandomForestClassifier.scala index 852a67e066..d3c67494a3 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/classification/RandomForestClassifier.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/classification/RandomForestClassifier.scala @@ -97,6 +97,8 @@ final class RandomForestClassifier(override val uid: String) oldDataset, strategy, getNumTrees, getFeatureSubsetStrategy, getSeed.toInt) RandomForestClassificationModel.fromOld(oldModel, this, categoricalFeatures) } + + override def copy(extra: ParamMap): RandomForestClassifier = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala b/mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala index f695ddaeef..4a82b77f0e 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala @@ -79,4 +79,6 @@ class BinaryClassificationEvaluator(override val uid: String) metrics.unpersist() metric } + + override def copy(extra: ParamMap): BinaryClassificationEvaluator = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/evaluation/Evaluator.scala b/mllib/src/main/scala/org/apache/spark/ml/evaluation/Evaluator.scala index 61e937e693..e56c946a06 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/evaluation/Evaluator.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/evaluation/Evaluator.scala @@ -46,7 +46,5 @@ abstract class Evaluator extends Params { */ def evaluate(dataset: DataFrame): Double - override def copy(extra: ParamMap): Evaluator = { - super.copy(extra).asInstanceOf[Evaluator] - } + override def copy(extra: ParamMap): Evaluator } diff --git a/mllib/src/main/scala/org/apache/spark/ml/evaluation/RegressionEvaluator.scala b/mllib/src/main/scala/org/apache/spark/ml/evaluation/RegressionEvaluator.scala index abb1b35bed..8670e9679d 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/evaluation/RegressionEvaluator.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/evaluation/RegressionEvaluator.scala @@ -18,7 +18,7 @@ package org.apache.spark.ml.evaluation import org.apache.spark.annotation.Experimental -import org.apache.spark.ml.param.{Param, ParamValidators} +import org.apache.spark.ml.param.{Param, ParamMap, ParamValidators} import org.apache.spark.ml.param.shared.{HasLabelCol, HasPredictionCol} import org.apache.spark.ml.util.{Identifiable, SchemaUtils} import org.apache.spark.mllib.evaluation.RegressionMetrics @@ -80,4 +80,6 @@ final class RegressionEvaluator(override val uid: String) } metric } + + override def copy(extra: ParamMap): RegressionEvaluator = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/Binarizer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/Binarizer.scala index b06122d733..46314854d5 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/Binarizer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/Binarizer.scala @@ -83,4 +83,6 @@ final class Binarizer(override val uid: String) val outputFields = inputFields :+ attr.toStructField() StructType(outputFields) } + + override def copy(extra: ParamMap): Binarizer = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/Bucketizer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/Bucketizer.scala index a3d1f6f65c..67e4785bc3 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/Bucketizer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/Bucketizer.scala @@ -89,6 +89,8 @@ final class Bucketizer(override val uid: String) SchemaUtils.checkColumnType(schema, $(inputCol), DoubleType) SchemaUtils.appendColumn(schema, prepOutputField(schema)) } + + override def copy(extra: ParamMap): Bucketizer = defaultCopy(extra) } private[feature] object Bucketizer { diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/ElementwiseProduct.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/ElementwiseProduct.scala index 1e758cb775..a359cb8f37 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/ElementwiseProduct.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/ElementwiseProduct.scala @@ -19,7 +19,7 @@ package org.apache.spark.ml.feature import org.apache.spark.annotation.Experimental import org.apache.spark.ml.UnaryTransformer -import org.apache.spark.ml.param.Param +import org.apache.spark.ml.param.{ParamMap, Param} import org.apache.spark.ml.util.Identifiable import org.apache.spark.mllib.feature import org.apache.spark.mllib.linalg.{Vector, VectorUDT} diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/HashingTF.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/HashingTF.scala index f936aef80f..319d23e46c 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/HashingTF.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/HashingTF.scala @@ -20,7 +20,7 @@ package org.apache.spark.ml.feature import org.apache.spark.annotation.Experimental import org.apache.spark.ml.Transformer import org.apache.spark.ml.attribute.AttributeGroup -import org.apache.spark.ml.param.{IntParam, ParamValidators} +import org.apache.spark.ml.param.{IntParam, ParamMap, ParamValidators} import org.apache.spark.ml.param.shared.{HasInputCol, HasOutputCol} import org.apache.spark.ml.util.{Identifiable, SchemaUtils} import org.apache.spark.mllib.feature @@ -74,4 +74,6 @@ class HashingTF(override val uid: String) extends Transformer with HasInputCol w val attrGroup = new AttributeGroup($(outputCol), $(numFeatures)) SchemaUtils.appendColumn(schema, attrGroup.toStructField()) } + + override def copy(extra: ParamMap): HashingTF = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/IDF.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/IDF.scala index 376b84530c..ecde808105 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/IDF.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/IDF.scala @@ -45,9 +45,6 @@ private[feature] trait IDFBase extends Params with HasInputCol with HasOutputCol /** @group getParam */ def getMinDocFreq: Int = $(minDocFreq) - /** @group setParam */ - def setMinDocFreq(value: Int): this.type = set(minDocFreq, value) - /** * Validate and transform the input schema. */ @@ -72,6 +69,9 @@ final class IDF(override val uid: String) extends Estimator[IDFModel] with IDFBa /** @group setParam */ def setOutputCol(value: String): this.type = set(outputCol, value) + /** @group setParam */ + def setMinDocFreq(value: Int): this.type = set(minDocFreq, value) + override def fit(dataset: DataFrame): IDFModel = { transformSchema(dataset.schema, logging = true) val input = dataset.select($(inputCol)).map { case Row(v: Vector) => v } @@ -82,6 +82,8 @@ final class IDF(override val uid: String) extends Estimator[IDFModel] with IDFBa override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): IDF = defaultCopy(extra) } /** @@ -109,4 +111,9 @@ class IDFModel private[ml] ( override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): IDFModel = { + val copied = new IDFModel(uid, idfModel) + copyValues(copied, extra) + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/OneHotEncoder.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/OneHotEncoder.scala index 8f34878c8d..3825942795 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/OneHotEncoder.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/OneHotEncoder.scala @@ -165,4 +165,6 @@ class OneHotEncoder(override val uid: String) extends Transformer dataset.select(col("*"), encode(col(inputColName).cast(DoubleType)).as(outputColName, metadata)) } + + override def copy(extra: ParamMap): OneHotEncoder = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/PolynomialExpansion.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/PolynomialExpansion.scala index 442e958202..d85e468562 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/PolynomialExpansion.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/PolynomialExpansion.scala @@ -21,7 +21,7 @@ import scala.collection.mutable import org.apache.spark.annotation.Experimental import org.apache.spark.ml.UnaryTransformer -import org.apache.spark.ml.param.{IntParam, ParamValidators} +import org.apache.spark.ml.param.{ParamMap, IntParam, ParamValidators} import org.apache.spark.ml.util.Identifiable import org.apache.spark.mllib.linalg._ import org.apache.spark.sql.types.DataType @@ -61,6 +61,8 @@ class PolynomialExpansion(override val uid: String) } override protected def outputDataType: DataType = new VectorUDT() + + override def copy(extra: ParamMap): PolynomialExpansion = defaultCopy(extra) } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala index b0fd06d84f..ca3c1cfb56 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/StandardScaler.scala @@ -92,6 +92,8 @@ class StandardScaler(override val uid: String) extends Estimator[StandardScalerM val outputFields = schema.fields :+ StructField($(outputCol), new VectorUDT, false) StructType(outputFields) } + + override def copy(extra: ParamMap): StandardScaler = defaultCopy(extra) } /** @@ -125,4 +127,9 @@ class StandardScalerModel private[ml] ( val outputFields = schema.fields :+ StructField($(outputCol), new VectorUDT, false) StructType(outputFields) } + + override def copy(extra: ParamMap): StandardScalerModel = { + val copied = new StandardScalerModel(uid, scaler) + copyValues(copied, extra) + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala index f4e2507575..bf7be363b8 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/StringIndexer.scala @@ -83,6 +83,8 @@ class StringIndexer(override val uid: String) extends Estimator[StringIndexerMod override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): StringIndexer = defaultCopy(extra) } /** @@ -144,4 +146,9 @@ class StringIndexerModel private[ml] ( schema } } + + override def copy(extra: ParamMap): StringIndexerModel = { + val copied = new StringIndexerModel(uid, labels) + copyValues(copied, extra) + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/Tokenizer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/Tokenizer.scala index 21c15b6c33..5f9f57a2eb 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/Tokenizer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/Tokenizer.scala @@ -43,6 +43,8 @@ class Tokenizer(override val uid: String) extends UnaryTransformer[String, Seq[S } override protected def outputDataType: DataType = new ArrayType(StringType, false) + + override def copy(extra: ParamMap): Tokenizer = defaultCopy(extra) } /** @@ -112,4 +114,6 @@ class RegexTokenizer(override val uid: String) } override protected def outputDataType: DataType = new ArrayType(StringType, false) + + override def copy(extra: ParamMap): RegexTokenizer = defaultCopy(extra) } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala index 229ee27ec5..9f83c2ee16 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/VectorAssembler.scala @@ -23,6 +23,7 @@ import org.apache.spark.SparkException import org.apache.spark.annotation.Experimental import org.apache.spark.ml.Transformer import org.apache.spark.ml.attribute.{Attribute, AttributeGroup, NumericAttribute, UnresolvedAttribute} +import org.apache.spark.ml.param.ParamMap import org.apache.spark.ml.param.shared._ import org.apache.spark.ml.util.Identifiable import org.apache.spark.mllib.linalg.{Vector, VectorUDT, Vectors} @@ -117,6 +118,8 @@ class VectorAssembler(override val uid: String) } StructType(schema.fields :+ new StructField(outputColName, new VectorUDT, false)) } + + override def copy(extra: ParamMap): VectorAssembler = defaultCopy(extra) } private object VectorAssembler { diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/VectorIndexer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/VectorIndexer.scala index 1d0f23b4fb..f4854a5e4b 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/VectorIndexer.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/VectorIndexer.scala @@ -25,7 +25,7 @@ import scala.collection.JavaConverters._ import org.apache.spark.annotation.Experimental import org.apache.spark.ml.{Estimator, Model} import org.apache.spark.ml.attribute._ -import org.apache.spark.ml.param.{IntParam, ParamValidators, Params} +import org.apache.spark.ml.param.{IntParam, ParamMap, ParamValidators, Params} import org.apache.spark.ml.param.shared._ import org.apache.spark.ml.util.{Identifiable, SchemaUtils} import org.apache.spark.mllib.linalg.{DenseVector, SparseVector, Vector, VectorUDT} @@ -131,6 +131,8 @@ class VectorIndexer(override val uid: String) extends Estimator[VectorIndexerMod SchemaUtils.checkColumnType(schema, $(inputCol), dataType) SchemaUtils.appendColumn(schema, $(outputCol), dataType) } + + override def copy(extra: ParamMap): VectorIndexer = defaultCopy(extra) } private object VectorIndexer { @@ -399,4 +401,9 @@ class VectorIndexerModel private[ml] ( val newAttributeGroup = new AttributeGroup($(outputCol), featureAttributes) newAttributeGroup.toStructField() } + + override def copy(extra: ParamMap): VectorIndexerModel = { + val copied = new VectorIndexerModel(uid, numFeatures, categoryMaps) + copyValues(copied, extra) + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/Word2Vec.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/Word2Vec.scala index 36f19509f0..6ea6590956 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/feature/Word2Vec.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/feature/Word2Vec.scala @@ -132,6 +132,8 @@ final class Word2Vec(override val uid: String) extends Estimator[Word2VecModel] override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): Word2Vec = defaultCopy(extra) } /** @@ -180,4 +182,9 @@ class Word2VecModel private[ml] ( override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): Word2VecModel = { + val copied = new Word2VecModel(uid, wordVectors) + copyValues(copied, extra) + } } diff --git a/mllib/src/main/scala/org/apache/spark/ml/param/params.scala b/mllib/src/main/scala/org/apache/spark/ml/param/params.scala index ba94d6a3a8..15ebad8838 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/param/params.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/param/params.scala @@ -492,13 +492,20 @@ trait Params extends Identifiable with Serializable { /** * Creates a copy of this instance with the same UID and some extra params. - * The default implementation tries to create a new instance with the same UID. - * Then it copies the embedded and extra parameters over and returns the new instance. - * Subclasses should override this method if the default approach is not sufficient. + * Subclasses should implement this method and set the return type properly. + * + * @see [[defaultCopy()]] */ - def copy(extra: ParamMap): Params = { + def copy(extra: ParamMap): Params + + /** + * Default implementation of copy with extra params. + * It tries to create a new instance with the same UID. + * Then it copies the embedded and extra parameters over and returns the new instance. + */ + protected final def defaultCopy[T <: Params](extra: ParamMap): T = { val that = this.getClass.getConstructor(classOf[String]).newInstance(uid) - copyValues(that, extra) + copyValues(that, extra).asInstanceOf[T] } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala index df009d855e..2e44cd4cc6 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala @@ -216,6 +216,11 @@ class ALSModel private[ml] ( SchemaUtils.checkColumnType(schema, $(itemCol), IntegerType) SchemaUtils.appendColumn(schema, $(predictionCol), FloatType) } + + override def copy(extra: ParamMap): ALSModel = { + val copied = new ALSModel(uid, rank, userFactors, itemFactors) + copyValues(copied, extra) + } } @@ -330,6 +335,8 @@ class ALS(override val uid: String) extends Estimator[ALSModel] with ALSParams { override def transformSchema(schema: StructType): StructType = { validateAndTransformSchema(schema) } + + override def copy(extra: ParamMap): ALS = defaultCopy(extra) } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/DecisionTreeRegressor.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/DecisionTreeRegressor.scala index 43b68e7bb2..be1f8063d4 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/regression/DecisionTreeRegressor.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/regression/DecisionTreeRegressor.scala @@ -76,6 +76,8 @@ final class DecisionTreeRegressor(override val uid: String) super.getOldStrategy(categoricalFeatures, numClasses = 0, OldAlgo.Regression, getOldImpurity, subsamplingRate = 1.0) } + + override def copy(extra: ParamMap): DecisionTreeRegressor = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala index b7e374bb6c..036e3acb07 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala @@ -131,6 +131,8 @@ final class GBTRegressor(override val uid: String) val oldModel = oldGBT.run(oldDataset) GBTRegressionModel.fromOld(oldModel, this, categoricalFeatures) } + + override def copy(extra: ParamMap): GBTRegressor = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala index 70cd8e9e87..01306545fc 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/regression/LinearRegression.scala @@ -186,6 +186,8 @@ class LinearRegression(override val uid: String) // TODO: Converts to sparse format based on the storage, but may base on the scoring speed. copyValues(new LinearRegressionModel(uid, weights.compressed, intercept)) } + + override def copy(extra: ParamMap): LinearRegression = defaultCopy(extra) } /** diff --git a/mllib/src/main/scala/org/apache/spark/ml/regression/RandomForestRegressor.scala b/mllib/src/main/scala/org/apache/spark/ml/regression/RandomForestRegressor.scala index 49a1f7ce8c..21c59061a0 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/regression/RandomForestRegressor.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/regression/RandomForestRegressor.scala @@ -86,6 +86,8 @@ final class RandomForestRegressor(override val uid: String) oldDataset, strategy, getNumTrees, getFeatureSubsetStrategy, getSeed.toInt) RandomForestRegressionModel.fromOld(oldModel, this, categoricalFeatures) } + + override def copy(extra: ParamMap): RandomForestRegressor = defaultCopy(extra) } @Experimental diff --git a/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala b/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala index 6434b64aed..8e031b0d83 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala @@ -149,6 +149,17 @@ class CrossValidator(override val uid: String) extends Estimator[CrossValidatorM est.copy(paramMap).validateParams() } } + + override def copy(extra: ParamMap): CrossValidator = { + val copied = defaultCopy(extra).asInstanceOf[CrossValidator] + if (copied.isDefined(estimator)) { + copied.setEstimator(copied.getEstimator.copy(extra)) + } + if (copied.isDefined(evaluator)) { + copied.setEvaluator(copied.getEvaluator.copy(extra)) + } + copied + } } /** diff --git a/mllib/src/main/scala/org/apache/spark/mllib/feature/IDF.scala b/mllib/src/main/scala/org/apache/spark/mllib/feature/IDF.scala index efbfeb4059..3fab7ea79b 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/feature/IDF.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/feature/IDF.scala @@ -159,7 +159,7 @@ private object IDF { * Represents an IDF model that can transform term frequency vectors. */ @Experimental -class IDFModel private[mllib] (val idf: Vector) extends Serializable { +class IDFModel private[spark] (val idf: Vector) extends Serializable { /** * Transforms term frequency (TF) vectors to TF-IDF vectors. diff --git a/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala b/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala index 375deccf18..74e7dbfa99 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala @@ -428,7 +428,7 @@ class Word2Vec extends Serializable with Logging { * Word2Vec model */ @Experimental -class Word2VecModel private[mllib] ( +class Word2VecModel private[spark] ( model: Map[String, Array[Float]]) extends Serializable with Saveable { // wordList: Ordered list of words obtained from model. diff --git a/mllib/src/test/java/org/apache/spark/ml/param/JavaTestParams.java b/mllib/src/test/java/org/apache/spark/ml/param/JavaTestParams.java index ff5929235a..3ae09d39ef 100644 --- a/mllib/src/test/java/org/apache/spark/ml/param/JavaTestParams.java +++ b/mllib/src/test/java/org/apache/spark/ml/param/JavaTestParams.java @@ -102,4 +102,9 @@ public class JavaTestParams extends JavaParams { setDefault(myDoubleArrayParam(), new double[] {1.0, 2.0}); setDefault(myDoubleArrayParam().w(new double[] {1.0, 2.0})); } + + @Override + public JavaTestParams copy(ParamMap extra) { + return defaultCopy(extra); + } } diff --git a/mllib/src/test/scala/org/apache/spark/ml/PipelineSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/PipelineSuite.scala index 05bf58e63a..a3c4f528da 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/PipelineSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/PipelineSuite.scala @@ -22,6 +22,7 @@ import org.mockito.Mockito.when import org.scalatest.mock.MockitoSugar.mock import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.feature.HashingTF import org.apache.spark.ml.param.ParamMap import org.apache.spark.sql.DataFrame @@ -81,4 +82,13 @@ class PipelineSuite extends SparkFunSuite { pipeline.fit(dataset) } } + + test("PipelineModel.copy") { + val hashingTF = new HashingTF() + .setNumFeatures(100) + val model = new PipelineModel("pipeline", Array[Transformer](hashingTF)) + val copied = model.copy(ParamMap(hashingTF.numFeatures -> 10)) + require(copied.stages(0).asInstanceOf[HashingTF].getNumFeatures === 10, + "copy should handle extra stage params") + } } diff --git a/mllib/src/test/scala/org/apache/spark/ml/classification/DecisionTreeClassifierSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/classification/DecisionTreeClassifierSuite.scala index ae40b0b8ff..73b4805c4c 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/classification/DecisionTreeClassifierSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/classification/DecisionTreeClassifierSuite.scala @@ -19,15 +19,15 @@ package org.apache.spark.ml.classification import org.apache.spark.SparkFunSuite import org.apache.spark.ml.impl.TreeTests +import org.apache.spark.ml.param.ParamsSuite +import org.apache.spark.ml.tree.LeafNode import org.apache.spark.mllib.linalg.Vectors import org.apache.spark.mllib.regression.LabeledPoint -import org.apache.spark.mllib.tree.{DecisionTree => OldDecisionTree, - DecisionTreeSuite => OldDecisionTreeSuite} +import org.apache.spark.mllib.tree.{DecisionTree => OldDecisionTree, DecisionTreeSuite => OldDecisionTreeSuite} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.rdd.RDD import org.apache.spark.sql.DataFrame - class DecisionTreeClassifierSuite extends SparkFunSuite with MLlibTestSparkContext { import DecisionTreeClassifierSuite.compareAPIs @@ -55,6 +55,12 @@ class DecisionTreeClassifierSuite extends SparkFunSuite with MLlibTestSparkConte OldDecisionTreeSuite.generateCategoricalDataPointsForMulticlassForOrderedFeatures()) } + test("params") { + ParamsSuite.checkParams(new DecisionTreeClassifier) + val model = new DecisionTreeClassificationModel("dtc", new LeafNode(0.0, 0.0)) + ParamsSuite.checkParams(model) + } + ///////////////////////////////////////////////////////////////////////////// // Tests calling train() ///////////////////////////////////////////////////////////////////////////// diff --git a/mllib/src/test/scala/org/apache/spark/ml/classification/GBTClassifierSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/classification/GBTClassifierSuite.scala index 1302da3c37..82c345491b 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/classification/GBTClassifierSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/classification/GBTClassifierSuite.scala @@ -19,6 +19,9 @@ package org.apache.spark.ml.classification import org.apache.spark.SparkFunSuite import org.apache.spark.ml.impl.TreeTests +import org.apache.spark.ml.param.ParamsSuite +import org.apache.spark.ml.regression.DecisionTreeRegressionModel +import org.apache.spark.ml.tree.LeafNode import org.apache.spark.mllib.regression.LabeledPoint import org.apache.spark.mllib.tree.{EnsembleTestHelper, GradientBoostedTrees => OldGBT} import org.apache.spark.mllib.tree.configuration.{Algo => OldAlgo} @@ -51,6 +54,14 @@ class GBTClassifierSuite extends SparkFunSuite with MLlibTestSparkContext { sc.parallelize(EnsembleTestHelper.generateOrderedLabeledPoints(numFeatures = 20, 80), 2) } + test("params") { + ParamsSuite.checkParams(new GBTClassifier) + val model = new GBTClassificationModel("gbtc", + Array(new DecisionTreeRegressionModel("dtr", new LeafNode(0.0, 0.0))), + Array(1.0)) + ParamsSuite.checkParams(model) + } + test("Binary classification with continuous features: Log Loss") { val categoricalFeatures = Map.empty[Int, Int] testCombinations.foreach { diff --git a/mllib/src/test/scala/org/apache/spark/ml/classification/LogisticRegressionSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/classification/LogisticRegressionSuite.scala index a755cac3ea..5a6265ea99 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/classification/LogisticRegressionSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/classification/LogisticRegressionSuite.scala @@ -18,8 +18,9 @@ package org.apache.spark.ml.classification import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.classification.LogisticRegressionSuite._ -import org.apache.spark.mllib.linalg.Vector +import org.apache.spark.mllib.linalg.{Vectors, Vector} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.mllib.util.TestingUtils._ import org.apache.spark.sql.{DataFrame, Row} @@ -62,6 +63,12 @@ class LogisticRegressionSuite extends SparkFunSuite with MLlibTestSparkContext { } } + test("params") { + ParamsSuite.checkParams(new LogisticRegression) + val model = new LogisticRegressionModel("logReg", Vectors.dense(0.0), 0.0) + ParamsSuite.checkParams(model) + } + test("logistic regression: default params") { val lr = new LogisticRegression assert(lr.getLabelCol === "label") diff --git a/mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala index 1d04ccb509..75cf5bd4ea 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/classification/OneVsRestSuite.scala @@ -19,15 +19,18 @@ package org.apache.spark.ml.classification import org.apache.spark.SparkFunSuite import org.apache.spark.ml.attribute.NominalAttribute +import org.apache.spark.ml.param.{ParamMap, ParamsSuite} import org.apache.spark.ml.util.MetadataUtils import org.apache.spark.mllib.classification.LogisticRegressionWithLBFGS import org.apache.spark.mllib.classification.LogisticRegressionSuite._ import org.apache.spark.mllib.evaluation.MulticlassMetrics +import org.apache.spark.mllib.linalg.Vectors import org.apache.spark.mllib.regression.LabeledPoint import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.mllib.util.TestingUtils._ import org.apache.spark.rdd.RDD import org.apache.spark.sql.DataFrame +import org.apache.spark.sql.types.Metadata class OneVsRestSuite extends SparkFunSuite with MLlibTestSparkContext { @@ -52,6 +55,13 @@ class OneVsRestSuite extends SparkFunSuite with MLlibTestSparkContext { dataset = sqlContext.createDataFrame(rdd) } + test("params") { + ParamsSuite.checkParams(new OneVsRest) + val lrModel = new LogisticRegressionModel("lr", Vectors.dense(0.0), 0.0) + val model = new OneVsRestModel("ovr", Metadata.empty, Array(lrModel)) + ParamsSuite.checkParams(model) + } + test("one-vs-rest: default params") { val numClasses = 3 val ova = new OneVsRest() @@ -102,6 +112,26 @@ class OneVsRestSuite extends SparkFunSuite with MLlibTestSparkContext { val output = ovr.fit(dataset).transform(dataset) assert(output.schema.fieldNames.toSet === Set("label", "features", "prediction")) } + + test("OneVsRest.copy and OneVsRestModel.copy") { + val lr = new LogisticRegression() + .setMaxIter(1) + + val ovr = new OneVsRest() + withClue("copy with classifier unset should work") { + ovr.copy(ParamMap(lr.maxIter -> 10)) + } + ovr.setClassifier(lr) + val ovr1 = ovr.copy(ParamMap(lr.maxIter -> 10)) + require(ovr.getClassifier.getOrDefault(lr.maxIter) === 1, "copy should have no side-effects") + require(ovr1.getClassifier.getOrDefault(lr.maxIter) === 10, + "copy should handle extra classifier params") + + val ovrModel = ovr1.fit(dataset).copy(ParamMap(lr.threshold -> 0.1)) + ovrModel.models.foreach { case m: LogisticRegressionModel => + require(m.getThreshold === 0.1, "copy should handle extra model params") + } + } } private class MockLogisticRegression(uid: String) extends LogisticRegression(uid) { diff --git a/mllib/src/test/scala/org/apache/spark/ml/classification/RandomForestClassifierSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/classification/RandomForestClassifierSuite.scala index eee9355a67..1b6b69c7dc 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/classification/RandomForestClassifierSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/classification/RandomForestClassifierSuite.scala @@ -19,6 +19,8 @@ package org.apache.spark.ml.classification import org.apache.spark.SparkFunSuite import org.apache.spark.ml.impl.TreeTests +import org.apache.spark.ml.param.ParamsSuite +import org.apache.spark.ml.tree.LeafNode import org.apache.spark.mllib.linalg.Vectors import org.apache.spark.mllib.regression.LabeledPoint import org.apache.spark.mllib.tree.{EnsembleTestHelper, RandomForest => OldRandomForest} @@ -27,7 +29,6 @@ import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.rdd.RDD import org.apache.spark.sql.DataFrame - /** * Test suite for [[RandomForestClassifier]]. */ @@ -62,6 +63,13 @@ class RandomForestClassifierSuite extends SparkFunSuite with MLlibTestSparkConte compareAPIs(orderedLabeledPoints50_1000, newRF, categoricalFeatures, numClasses) } + test("params") { + ParamsSuite.checkParams(new RandomForestClassifier) + val model = new RandomForestClassificationModel("rfc", + Array(new DecisionTreeClassificationModel("dtc", new LeafNode(0.0, 0.0)))) + ParamsSuite.checkParams(model) + } + test("Binary classification with continuous features:" + " comparing DecisionTree vs. RandomForest(numTrees = 1)") { val rf = new RandomForestClassifier() diff --git a/mllib/src/test/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluatorSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluatorSuite.scala new file mode 100644 index 0000000000..def869fe66 --- /dev/null +++ b/mllib/src/test/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluatorSuite.scala @@ -0,0 +1,28 @@ +/* + * 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.ml.evaluation + +import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite + +class BinaryClassificationEvaluatorSuite extends SparkFunSuite { + + test("params") { + ParamsSuite.checkParams(new BinaryClassificationEvaluator) + } +} diff --git a/mllib/src/test/scala/org/apache/spark/ml/evaluation/RegressionEvaluatorSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/evaluation/RegressionEvaluatorSuite.scala index 36a1ac6b79..aa722da323 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/evaluation/RegressionEvaluatorSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/evaluation/RegressionEvaluatorSuite.scala @@ -18,12 +18,17 @@ package org.apache.spark.ml.evaluation import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.ml.regression.LinearRegression import org.apache.spark.mllib.util.{LinearDataGenerator, MLlibTestSparkContext} import org.apache.spark.mllib.util.TestingUtils._ class RegressionEvaluatorSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new RegressionEvaluator) + } + test("Regression Evaluator: default params") { /** * Here is the instruction describing how to export the test data into CSV format diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/BinarizerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/BinarizerSuite.scala index 7953bd0417..2086043983 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/BinarizerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/BinarizerSuite.scala @@ -18,6 +18,7 @@ package org.apache.spark.ml.feature import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.sql.{DataFrame, Row} @@ -30,6 +31,10 @@ class BinarizerSuite extends SparkFunSuite with MLlibTestSparkContext { data = Array(0.1, -0.5, 0.2, -0.3, 0.8, 0.7, -0.1, -0.4) } + test("params") { + ParamsSuite.checkParams(new Binarizer) + } + test("Binarize continuous features with default parameter") { val defaultBinarized: Array[Double] = data.map(x => if (x > 0.0) 1.0 else 0.0) val dataFrame: DataFrame = sqlContext.createDataFrame( diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/BucketizerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/BucketizerSuite.scala index 507a8a7db2..ec85e0d151 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/BucketizerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/BucketizerSuite.scala @@ -20,6 +20,7 @@ package org.apache.spark.ml.feature import scala.util.Random import org.apache.spark.{SparkException, SparkFunSuite} +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.linalg.Vectors import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.mllib.util.TestingUtils._ @@ -27,6 +28,10 @@ import org.apache.spark.sql.{DataFrame, Row} class BucketizerSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new Bucketizer) + } + test("Bucket continuous features, without -inf,inf") { // Check a set of valid feature values. val splits = Array(-0.5, 0.0, 0.5) diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/HashingTFSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/HashingTFSuite.scala index 7b2d70e644..4157b84b29 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/HashingTFSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/HashingTFSuite.scala @@ -28,8 +28,7 @@ import org.apache.spark.util.Utils class HashingTFSuite extends SparkFunSuite with MLlibTestSparkContext { test("params") { - val hashingTF = new HashingTF - ParamsSuite.checkParams(hashingTF, 3) + ParamsSuite.checkParams(new HashingTF) } test("hashingTF") { diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/IDFSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/IDFSuite.scala index d83772e8be..08f80af034 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/IDFSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/IDFSuite.scala @@ -18,6 +18,8 @@ package org.apache.spark.ml.feature import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite +import org.apache.spark.mllib.feature.{IDFModel => OldIDFModel} import org.apache.spark.mllib.linalg.{DenseVector, SparseVector, Vector, Vectors} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.mllib.util.TestingUtils._ @@ -38,6 +40,12 @@ class IDFSuite extends SparkFunSuite with MLlibTestSparkContext { } } + test("params") { + ParamsSuite.checkParams(new IDF) + val model = new IDFModel("idf", new OldIDFModel(Vectors.dense(1.0))) + ParamsSuite.checkParams(model) + } + test("compute IDF with default parameter") { val numOfFeatures = 4 val data = Array( diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/OneHotEncoderSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/OneHotEncoderSuite.scala index 2e5036a844..65846a846b 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/OneHotEncoderSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/OneHotEncoderSuite.scala @@ -19,6 +19,7 @@ package org.apache.spark.ml.feature import org.apache.spark.SparkFunSuite import org.apache.spark.ml.attribute.{AttributeGroup, BinaryAttribute, NominalAttribute} +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.linalg.Vector import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.sql.DataFrame @@ -36,6 +37,10 @@ class OneHotEncoderSuite extends SparkFunSuite with MLlibTestSparkContext { indexer.transform(df) } + test("params") { + ParamsSuite.checkParams(new OneHotEncoder) + } + test("OneHotEncoder dropLast = false") { val transformed = stringIndexed() val encoder = new OneHotEncoder() diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/PolynomialExpansionSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/PolynomialExpansionSuite.scala index feca866cd7..29eebd8960 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/PolynomialExpansionSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/PolynomialExpansionSuite.scala @@ -17,6 +17,7 @@ package org.apache.spark.ml.feature +import org.apache.spark.ml.param.ParamsSuite import org.scalatest.exceptions.TestFailedException import org.apache.spark.SparkFunSuite @@ -27,6 +28,10 @@ import org.apache.spark.sql.Row class PolynomialExpansionSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new PolynomialExpansion) + } + test("Polynomial expansion with default parameter") { val data = Array( Vectors.sparse(3, Seq((0, -2.0), (1, 2.3))), diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/StringIndexerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/StringIndexerSuite.scala index 5f557e16e5..99f82bea42 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/StringIndexerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/StringIndexerSuite.scala @@ -19,10 +19,17 @@ package org.apache.spark.ml.feature import org.apache.spark.SparkFunSuite import org.apache.spark.ml.attribute.{Attribute, NominalAttribute} +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.util.MLlibTestSparkContext class StringIndexerSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new StringIndexer) + val model = new StringIndexerModel("indexer", Array("a", "b")) + ParamsSuite.checkParams(model) + } + test("StringIndexer") { val data = sc.parallelize(Seq((0, "a"), (1, "b"), (2, "c"), (3, "a"), (4, "a"), (5, "c")), 2) val df = sqlContext.createDataFrame(data).toDF("id", "label") diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/TokenizerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/TokenizerSuite.scala index ac279cb321..e5fd21c3f6 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/TokenizerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/TokenizerSuite.scala @@ -20,15 +20,27 @@ package org.apache.spark.ml.feature import scala.beans.BeanInfo import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.sql.{DataFrame, Row} @BeanInfo case class TokenizerTestData(rawText: String, wantedTokens: Array[String]) +class TokenizerSuite extends SparkFunSuite { + + test("params") { + ParamsSuite.checkParams(new Tokenizer) + } +} + class RegexTokenizerSuite extends SparkFunSuite with MLlibTestSparkContext { import org.apache.spark.ml.feature.RegexTokenizerSuite._ + test("params") { + ParamsSuite.checkParams(new RegexTokenizer) + } + test("RegexTokenizer") { val tokenizer0 = new RegexTokenizer() .setGaps(false) diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/VectorAssemblerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/VectorAssemblerSuite.scala index 489abb5af7..bb4d5b983e 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/VectorAssemblerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/VectorAssemblerSuite.scala @@ -19,6 +19,7 @@ package org.apache.spark.ml.feature import org.apache.spark.{SparkException, SparkFunSuite} import org.apache.spark.ml.attribute.{AttributeGroup, NominalAttribute, NumericAttribute} +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.linalg.{DenseVector, SparseVector, Vector, Vectors} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.sql.Row @@ -26,6 +27,10 @@ import org.apache.spark.sql.functions.col class VectorAssemblerSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new VectorAssembler) + } + test("assemble") { import org.apache.spark.ml.feature.VectorAssembler.assemble assert(assemble(0.0) === Vectors.sparse(1, Array.empty, Array.empty)) diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/VectorIndexerSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/VectorIndexerSuite.scala index 06affc7305..8c85c96d5c 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/VectorIndexerSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/VectorIndexerSuite.scala @@ -21,6 +21,7 @@ import scala.beans.{BeanInfo, BeanProperty} import org.apache.spark.{SparkException, SparkFunSuite} import org.apache.spark.ml.attribute._ +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.linalg.{SparseVector, Vector, Vectors} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.rdd.RDD @@ -91,6 +92,12 @@ class VectorIndexerSuite extends SparkFunSuite with MLlibTestSparkContext { private def getIndexer: VectorIndexer = new VectorIndexer().setInputCol("features").setOutputCol("indexed") + test("params") { + ParamsSuite.checkParams(new VectorIndexer) + val model = new VectorIndexerModel("indexer", 1, Map.empty) + ParamsSuite.checkParams(model) + } + test("Cannot fit an empty DataFrame") { val rdd = sqlContext.createDataFrame(sc.parallelize(Array.empty[Vector], 2).map(FeatureData)) val vectorIndexer = getIndexer diff --git a/mllib/src/test/scala/org/apache/spark/ml/feature/Word2VecSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/feature/Word2VecSuite.scala index 94ebc3aebf..aa6ce533fd 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/feature/Word2VecSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/feature/Word2VecSuite.scala @@ -18,13 +18,21 @@ package org.apache.spark.ml.feature import org.apache.spark.SparkFunSuite +import org.apache.spark.ml.param.ParamsSuite import org.apache.spark.mllib.linalg.{Vector, Vectors} import org.apache.spark.mllib.util.MLlibTestSparkContext import org.apache.spark.mllib.util.TestingUtils._ import org.apache.spark.sql.{Row, SQLContext} +import org.apache.spark.mllib.feature.{Word2VecModel => OldWord2VecModel} class Word2VecSuite extends SparkFunSuite with MLlibTestSparkContext { + test("params") { + ParamsSuite.checkParams(new Word2Vec) + val model = new Word2VecModel("w2v", new OldWord2VecModel(Map("a" -> Array(0.0f)))) + ParamsSuite.checkParams(model) + } + test("Word2Vec") { val sqlContext = new SQLContext(sc) import sqlContext.implicits._ diff --git a/mllib/src/test/scala/org/apache/spark/ml/param/ParamsSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/param/ParamsSuite.scala index 96094d7a09..050d4170ea 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/param/ParamsSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/param/ParamsSuite.scala @@ -205,19 +205,27 @@ class ParamsSuite extends SparkFunSuite { object ParamsSuite extends SparkFunSuite { /** - * Checks common requirements for [[Params.params]]: 1) number of params; 2) params are ordered - * by names; 3) param parent has the same UID as the object's UID; 4) param name is the same as - * the param method name. + * Checks common requirements for [[Params.params]]: + * - params are ordered by names + * - param parent has the same UID as the object's UID + * - param name is the same as the param method name + * - obj.copy should return the same type as the obj */ - def checkParams(obj: Params, expectedNumParams: Int): Unit = { + def checkParams(obj: Params): Unit = { + val clazz = obj.getClass + val params = obj.params - require(params.length === expectedNumParams, - s"Expect $expectedNumParams params but got ${params.length}: ${params.map(_.name).toSeq}.") val paramNames = params.map(_.name) - require(paramNames === paramNames.sorted) + require(paramNames === paramNames.sorted, "params must be ordered by names") params.foreach { p => assert(p.parent === obj.uid) assert(obj.getParam(p.name) === p) + // TODO: Check that setters return self, which needs special handling for generic types. } + + val copyMethod = clazz.getMethod("copy", classOf[ParamMap]) + val copyReturnType = copyMethod.getReturnType + require(copyReturnType === obj.getClass, + s"${clazz.getName}.copy should return ${clazz.getName} instead of ${copyReturnType.getName}.") } } diff --git a/mllib/src/test/scala/org/apache/spark/ml/param/TestParams.scala b/mllib/src/test/scala/org/apache/spark/ml/param/TestParams.scala index a9e78366ad..2759248344 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/param/TestParams.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/param/TestParams.scala @@ -38,7 +38,5 @@ class TestParams(override val uid: String) extends Params with HasMaxIter with H require(isDefined(inputCol)) } - override def copy(extra: ParamMap): TestParams = { - super.copy(extra).asInstanceOf[TestParams] - } + override def copy(extra: ParamMap): TestParams = defaultCopy(extra) } diff --git a/mllib/src/test/scala/org/apache/spark/ml/param/shared/SharedParamsSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/param/shared/SharedParamsSuite.scala index eb5408d3fe..b3af81a3c6 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/param/shared/SharedParamsSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/param/shared/SharedParamsSuite.scala @@ -18,13 +18,15 @@ package org.apache.spark.ml.param.shared import org.apache.spark.SparkFunSuite -import org.apache.spark.ml.param.Params +import org.apache.spark.ml.param.{ParamMap, Params} class SharedParamsSuite extends SparkFunSuite { test("outputCol") { - class Obj(override val uid: String) extends Params with HasOutputCol + class Obj(override val uid: String) extends Params with HasOutputCol { + override def copy(extra: ParamMap): Obj = defaultCopy(extra) + } val obj = new Obj("obj") diff --git a/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala b/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala index 6fef0b6205..dcfe9f7e27 100644 --- a/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala +++ b/mllib/src/test/scala/org/apache/spark/ml/tuning/CrossValidatorSuite.scala @@ -96,6 +96,8 @@ object CrossValidatorSuite { override def transformSchema(schema: StructType): StructType = { throw new UnsupportedOperationException } + + override def copy(extra: ParamMap): MyEstimator = defaultCopy(extra) } class MyEvaluator extends Evaluator { @@ -105,5 +107,7 @@ object CrossValidatorSuite { } override val uid: String = "eval" + + override def copy(extra: ParamMap): MyEvaluator = defaultCopy(extra) } }